GnuCOBOL FAQ

• 1   GnuCOBOL FAQ
  • 1.1   What is GnuCOBOL?
  • 1.2   What is COBOL?
  • 1.3   How is GnuCOBOL licensed?
  • 1.4   What platforms are supported by GnuCOBOL?
  • 1.5   Are there pre-built GnuCOBOL packages?
    • 1.5.1   kiska.net repository
    • 1.5.2   sourceforge
    • 1.5.3   Windows™ MinGW
    • 1.5.4   MinGW official
    • 1.5.5   Windows™ Visual Studio vc11 native
  • 1.6   What is the most recent version of GnuCOBOL?
  • 1.7   How complete is GnuCOBOL?
  • 1.8   Will I be amazed by GnuCOBOL?
  • 1.9   Who do I thank for GnuCOBOL?
  • 1.10   Does GnuCOBOL include a Test Suite?
  • 1.11   Does GnuCOBOL pass the NIST Test Suite?
    • 1.11.1   What’s missing?
  • 1.12   What about GnuCOBOL and benchmarks?
    • 1.12.1   telco billing
      • 1.12.1.1   Roger’s telco benchmark update
  • 1.13   Can GnuCOBOL be used for CGI?
    • 1.13.1   GnuCOBOL with FastCGI
    • 1.13.2   running on hosted services
  • 1.14   Does GnuCOBOL support a GUI?
    • 1.14.1   GTK
    • 1.14.2   Tcl/Tk
    • 1.14.3   Vala, WebKit
    • 1.14.4   Redirect to browser
    • 1.14.5   X11
    • 1.14.6   Java AWT
  • 1.15   Does GnuCOBOL have an IDE?
    • 1.15.1   OpenCOBOLIDE
    • 1.15.2   Geany
  • 1.16   Can GnuCOBOL be used for production applications?
    • 1.16.1   FAQ author’s take on it
    • 1.16.2   Nagasaki Prefecture
    • 1.16.3   Stories from Currey Adkins
    • 1.16.4   Public Accounting
    • 1.16.5   ACAS
    • 1.16.6   A platform port
    • 1.16.7   The COBJAPI angle
    • 1.16.8   Commercial Support
  • 1.17   Where can I get more information about COBOL?
    • 1.17.1   COBOL programming examples
    • 1.17.2   COBOL Programming Course
    • 1.17.3   Up and Running with COBOL
    • 1.17.4   jaymoseley.com
    • 1.17.5   tutorialspoint.com
    • 1.17.6   newcobug.com
  • 1.18   Where can I get more information about GnuCOBOL?
    • 1.18.1   The GnuCOBOL Programmer’s Guide
    • 1.18.2   The OpenCobol Programmer’s Guide
  • 1.19   Can I help out with the GnuCOBOL project?
    • 1.19.1   Contribution Guidelines
    • 1.19.2   Translation Efforts
  • 1.20   Is there a GnuCOBOL mailing list?
  • 1.21   Where can I find more information about COBOL standards?
  • 1.22   Can I see the GnuCOBOL source codes?
    • 1.22.1   A ROBODoc experiment
    • 1.22.2   A Doxygen pass across the compiler source code
    • 1.22.3   A Doxygen pass, application with compiler suite
    • 1.22.4   What was used to colour the source code listings?
  • 1.23   What happened to opencobol.org?
  • 1.24   What is COBOL in Latin?
  • 1.25   Where can I find open COBOL source code?
    • 1.25.1   At GNU
    • 1.25.2   on SourceForge
    • 1.25.3   add1tocobol
    • 1.25.4   Stickleback
    • 1.25.5   other places
  • 1.26   What is bubble-generator?
  • 1.27   Is COBOL dead?
  • 1.28   Do you know any good jokes?
    • 1.28.1   Really?
    • 1.28.2   A 5-7-5 haiku?
    • 1.28.3   One in cbrain
• 2   History
  • 2.1   What is the history of COBOL?
    • 2.1.1   Published Standards
    • 2.1.2   The Gartner estimate
  • 2.2   What are the Official COBOL Standards?
    • 2.2.1   COBOL 2014
  • 2.3   What is the development history of GnuCOBOL?
  • 2.4   What is the current version of GnuCOBOL?
    • 2.4.1   Building the 1.1 stable version
    • 2.4.2   occurlrefresh
    • 2.4.3   Building the reportwriter version
  • 2.5   What is the future of COBOL?
• 3   Using GnuCOBOL
  • 3.1   How do I install GnuCOBOL?
    • 3.1.1   From source with GNU/Linux
    • 3.1.2   Debian
    • 3.1.3   Ubuntu
    • 3.1.4   Fedora
    • 3.1.5   Windows
    • 3.1.6   Macintosh
      • 3.1.6.1   homebrew
    • 3.1.7   CentOS
  • 3.2   What are the configure options available for building GnuCOBOL?
    • 3.2.1   GnuCOBOL build time environment variables
  • 3.3   Does GnuCOBOL have any other dependencies?
  • 3.4   How does the GnuCOBOL compiler work?
    • 3.4.1   Example of GnuCOBOL stages
    • 3.4.2   Original source code
    • 3.4.3   Preprocess
    • 3.4.4   Translate
    • 3.4.5   hello.c.h
    • 3.4.6   hello.c
    • 3.4.7   Generate assembler
    • 3.4.8   hello.s
    • 3.4.9   Produce object code
    • 3.4.10   Build modules
    • 3.4.11   Module run
    • 3.4.12   Create executable
    • 3.4.13   Run job
    • 3.4.14   Interpreter directive
    • 3.4.15   sizes for hello on Fedora 16
  • 3.5   What is cobc?
  • 3.6   What is cobcrun?
  • 3.7   What is cob-config?
  • 3.8   What compiler options are supported?
    • 3.8.1   For 2.0 with reportwriter that becomes
    • 3.8.2   A note on -A and -Q
  • 3.9   What dialects are supported by GnuCOBOL?
    • 3.9.1   Supported Literal values
  • 3.10   What extensions are used if cobc is called with/without “-ext” for COPY?
  • 3.11   What are the GnuCOBOL compile time configuration files?
    • 3.11.1   reportwriter default.conf
    • 3.11.2   differences with ibm.conf
  • 3.12   Does GnuCOBOL work with make?
  • 3.13   Do you have a reasonable source code skeleton for GnuCOBOL?
  • 3.14   Can GnuCOBOL be used to write command line stdin, stdout filters?
    • 3.14.1   CBL_OC_HOSTED
  • 3.15   How do you print to printers with GnuCOBOL?
    • 3.15.1   printing with standard out
    • 3.15.2   calling the system print
    • 3.15.3   print control library calls
    • 3.15.4   print to PDF with CUPS
    • 3.15.5   Jim Currey’s prtcbl
  • 3.16   Can I run background processes using GnuCOBOL?
  • 3.17   Is there GnuCOBOL API documentation?
  • 3.18   How do I use LD_RUN_PATH with GnuCOBOL?
  • 3.19   What GNU build tool options are available when building GnuCOBOL?
    • 3.19.1   Basics
    • 3.19.2   Out of tree builds
    • 3.19.3   Autotest options
  • 3.20   Why don’t I see any output from my GnuCOBOL program?
    • 3.20.1   SMCUP and RMCUP
  • 3.21   What are the GnuCOBOL compiler run-time limits?
    • 3.21.1   libcob/common.h
  • 3.22   What are the GnuCOBOL run-time environment variables?
  • 3.23   What are the differences between OpenCOBOL 1.1 and GnuCOBOL 1.1?
    • 3.23.1   General:
    • 3.23.2   libcob:
    • 3.23.3   cobc:
    • 3.23.4   Related
  • 3.24   What is runtime.cfg?
  • 3.25   How do I get the length of a LINE SEQUENTIAL read?
  • 3.26   Why can’t libcob find my link modules at run-time?
    • 3.26.1   colons and sem-colons
  • 3.27   How do I measure GnuCOBOL performance?
    • 3.27.1   Benchmarks
    • 3.27.2   GNU/Linux
    • 3.27.3   Other measurement tools
    • 3.27.4   -debug performance implications
  • 3.28   Are there bugs in GnuCOBOL?
• 4   Reserved Words
  • 4.1   What are the GnuCOBOL RESERVED words?
    • 4.1.1   ACCEPT
    • 4.1.2   ACCESS
    • 4.1.3   ACTIVE-CLASS
    • 4.1.4   ADD
      • 4.1.4.1   TO and GIVING
      • 4.1.4.2   ADD CORRESPONDING
    • 4.1.5   ADDRESS
    • 4.1.6   ADVANCING
    • 4.1.7   AFTER
    • 4.1.8   ALIGNED
    • 4.1.9   ALL
    • 4.1.10   ALLOCATE
    • 4.1.11   ALPHABET
    • 4.1.12   ALPHABETIC
    • 4.1.13   ALPHABETIC-LOWER
    • 4.1.14   ALPHABETIC-UPPER
    • 4.1.15   ALPHANUMERIC
    • 4.1.16   ALPHANUMERIC-EDITED
    • 4.1.17   ALSO
    • 4.1.18   ALTER
    • 4.1.19   ALTERNATE
    • 4.1.20   AND
    • 4.1.21   ANY
    • 4.1.22   ANYCASE
    • 4.1.23   ARE
    • 4.1.24   AREA
    • 4.1.25   AREAS
    • 4.1.26   ARGUMENT-NUMBER
    • 4.1.27   ARGUMENT-VALUE
    • 4.1.28   ARITHMETIC
    • 4.1.29   AS
    • 4.1.30   ASCENDING
    • 4.1.31   ASCII
    • 4.1.32   ASSIGN
    • 4.1.33   AT
    • 4.1.34   ATTRIBUTE
    • 4.1.35   AUTHOR
    • 4.1.36   AUTO
    • 4.1.37   AUTO-SKIP
    • 4.1.38   AUTOMATIC
    • 4.1.39   AUTOTERMINATE
    • 4.1.40   AWAY-FROM-ZERO
    • 4.1.41   B-AND
    • 4.1.42   B-NOT
    • 4.1.43   B-OR
    • 4.1.44   B-XOR
    • 4.1.45   BACKGROUND-COLOR
    • 4.1.46   BACKGROUND-COLOUR
    • 4.1.47   BASED
    • 4.1.48   BEEP
    • 4.1.49   BEFORE
    • 4.1.50   BELL
    • 4.1.51   BINARY
    • 4.1.52   BINARY-C-LONG
    • 4.1.53   BINARY-CHAR
    • 4.1.54   BINARY-DOUBLE
    • 4.1.55   BINARY-INT
    • 4.1.56   BINARY-LONG
    • 4.1.57   BINARY-LONG-LONG
    • 4.1.58   BINARY-SHORT
    • 4.1.59   BIT
    • 4.1.60   BLANK
    • 4.1.61   BLINK
    • 4.1.62   BLOCK
    • 4.1.63   BOOLEAN
    • 4.1.64   BOTTOM
    • 4.1.65   BY
    • 4.1.66   BYTE-LENGTH
    • 4.1.67   CALL
      • 4.1.67.1   CALL STATIC
      • 4.1.67.2   CALL STDCALL
      • 4.1.67.3   RETURNING OMITTED
    • 4.1.68   CANCEL
    • 4.1.69   CAPACITY
    • 4.1.70   CD
    • 4.1.71   CENTER
    • 4.1.72   CF
    • 4.1.73   CH
    • 4.1.74   CHAIN
    • 4.1.75   CHAINING
    • 4.1.76   CHARACTER
    • 4.1.77   CHARACTERS
    • 4.1.78   CLASS
    • 4.1.79   CLASS-ID
    • 4.1.80   CLASSIFICATION
    • 4.1.81   CLOSE
    • 4.1.82   COB-CRT-STATUS
    • 4.1.83   CODE
    • 4.1.84   CODE-SET
    • 4.1.85   COL
    • 4.1.86   COLLATING
    • 4.1.87   COLS
    • 4.1.88   COLUMN
    • 4.1.89   COLUMNS
    • 4.1.90   COMMA
    • 4.1.91   COMMAND-LINE
    • 4.1.92   COMMIT
    • 4.1.93   COMMON
    • 4.1.94   COMMUNICATION
    • 4.1.95   COMP
    • 4.1.96   COMP-1
    • 4.1.97   COMP-2
    • 4.1.98   COMP-3
    • 4.1.99   COMP-4
    • 4.1.100   COMP-5
    • 4.1.101   COMP-6
    • 4.1.102   COMP-X
    • 4.1.103   COMPUTATIONAL
    • 4.1.104   COMPUTATIONAL-1
    • 4.1.105   COMPUTATIONAL-2
    • 4.1.106   COMPUTATIONAL-3
    • 4.1.107   COMPUTATIONAL-4
    • 4.1.108   COMPUTATIONAL-5
    • 4.1.109   COMPUTATIONAL-6
    • 4.1.110   COMPUTATIONAL-X
    • 4.1.111   COMPUTE
    • 4.1.112   CONDITION
    • 4.1.113   CONFIGURATION
    • 4.1.114   CONSTANT
    • 4.1.115   CONTAINS
    • 4.1.116   CONTENT
    • 4.1.117   CONTINUE
    • 4.1.118   CONTROL
    • 4.1.119   CONTROLS
    • 4.1.120   CONVERSION
    • 4.1.121   CONVERTING
    • 4.1.122   COPY
      • 4.1.122.1   COPY REPLACING
      • 4.1.122.2   Full stop and COPY
    • 4.1.123   CORR
    • 4.1.124   CORRESPONDING
    • 4.1.125   COUNT
    • 4.1.126   CRT
    • 4.1.127   CRT-UNDER
    • 4.1.128   CURRENCY
    • 4.1.129   CURSOR
    • 4.1.130   CYCLE
    • 4.1.131   DATA
    • 4.1.132   DATA-POINTER
    • 4.1.133   DATE
    • 4.1.134   DATE-COMPILED
    • 4.1.135   DATE-MODIFIED
    • 4.1.136   DATE-WRITTEN
    • 4.1.137   DAY
    • 4.1.138   DAY-OF-WEEK
    • 4.1.139   DE
    • 4.1.140   DEBUGGING
    • 4.1.141   DECIMAL-POINT
    • 4.1.142   DECLARATIVES
    • 4.1.143   DEFAULT
    • 4.1.144   DELETE
      • 4.1.144.1   GC 2.0
    • 4.1.145   DELIMITED
    • 4.1.146   DELIMITER
    • 4.1.147   DEPENDING
    • 4.1.148   DESCENDING
    • 4.1.149   DESTINATION
    • 4.1.150   DETAIL
    • 4.1.151   DISABLE
    • 4.1.152   DISC
    • 4.1.153   DISK
    • 4.1.154   DISPLAY
    • 4.1.155   DIVIDE
    • 4.1.156   DIVISION
    • 4.1.157   DOWN
    • 4.1.158   DUPLICATES
    • 4.1.159   DYNAMIC
    • 4.1.160   EBCDIC
    • 4.1.161   EC
    • 4.1.162   EGI
    • 4.1.163   ELSE
    • 4.1.164   EMI
    • 4.1.165   EMPTY-CHECK
    • 4.1.166   ENABLE
    • 4.1.167   END
    • 4.1.168   END-ACCEPT
    • 4.1.169   END-ADD
    • 4.1.170   END-CALL
    • 4.1.171   END-CHAIN
    • 4.1.172   END-COMPUTE
    • 4.1.173   END-DELETE
    • 4.1.174   END-DISPLAY
    • 4.1.175   END-DIVIDE
    • 4.1.176   END-EVALUATE
    • 4.1.177   END-IF
    • 4.1.178   END-MULTIPLY
    • 4.1.179   END-OF-PAGE
    • 4.1.180   END-PERFORM
    • 4.1.181   END-READ
    • 4.1.182   END-RECEIVE
    • 4.1.183   END-RETURN
    • 4.1.184   END-REWRITE
    • 4.1.185   END-SEARCH
    • 4.1.186   END-START
    • 4.1.187   END-STRING
    • 4.1.188   END-SUBTRACT
    • 4.1.189   END-UNSTRING
    • 4.1.190   END-WRITE
    • 4.1.191   ENTRY
    • 4.1.192   ENTRY-CONVENTION
    • 4.1.193   ENVIRONMENT
    • 4.1.194   ENVIRONMENT-NAME
    • 4.1.195   ENVIRONMENT-VALUE
    • 4.1.196   EO
    • 4.1.197   EOL
    • 4.1.198   EOP
    • 4.1.199   EOS
    • 4.1.200   EQUAL
    • 4.1.201   EQUALS
    • 4.1.202   ERASE
    • 4.1.203   ERROR
    • 4.1.204   ESCAPE
    • 4.1.205   ESI
    • 4.1.206   EVALUATE
    • 4.1.207   EXCEPTION
    • 4.1.208   EXCEPTION-OBJECT
    • 4.1.209   EXCLUSIVE
    • 4.1.210   EXIT
    • 4.1.211   EXPANDS
    • 4.1.212   EXTEND
    • 4.1.213   EXTERNAL
    • 4.1.214   FACTORY
    • 4.1.215   FALSE
    • 4.1.216   FD
    • 4.1.217   FILE
      • 4.1.217.1   GnuCOBOL FILE STATUS codes
    • 4.1.218   FILE-CONTROL
    • 4.1.219   FILE-ID
    • 4.1.220   FILLER
    • 4.1.221   FINAL
    • 4.1.222   FIRST
    • 4.1.223   FLOAT-BINARY-128
    • 4.1.224   FLOAT-BINARY-32
    • 4.1.225   FLOAT-BINARY-64
    • 4.1.226   FLOAT-DECIMAL-16
    • 4.1.227   FLOAT-DECIMAL-34
    • 4.1.228   FLOAT-EXTENDED
    • 4.1.229   FLOAT-INFINITY
    • 4.1.230   FLOAT-LONG
    • 4.1.231   FLOAT-NOT-A-NUMBER
    • 4.1.232   FLOAT-SHORT
    • 4.1.233   FOOTING
    • 4.1.234   FOR
    • 4.1.235   FOREGROUND-COLOR
    • 4.1.236   FOREGROUND-COLOUR
    • 4.1.237   FOREVER
    • 4.1.238   FORMAT
    • 4.1.239   FREE
    • 4.1.240   FROM
    • 4.1.241   FULL
    • 4.1.242   FUNCTION
    • 4.1.243   FUNCTION-ID
    • 4.1.244   FUNCTION-POINTER
    • 4.1.245   GENERATE
    • 4.1.246   GET
    • 4.1.247   GIVING
    • 4.1.248   GLOBAL
    • 4.1.249   GO
      • 4.1.249.1   Other GO related blathering
    • 4.1.250   GOBACK
    • 4.1.251   GREATER
    • 4.1.252   GROUP
    • 4.1.253   GROUP-USAGE
    • 4.1.254   HEADING
    • 4.1.255   HIGH-VALUE
    • 4.1.256   HIGH-VALUES
    • 4.1.257   HIGHLIGHT
    • 4.1.258   I-O
    • 4.1.259   I-O-CONTROL
    • 4.1.260   ID
    • 4.1.261   IDENTIFICATION
    • 4.1.262   IF
    • 4.1.263   IGNORE
    • 4.1.264   IGNORING
    • 4.1.265   IMPLEMENTS
    • 4.1.266   IN
    • 4.1.267   INDEX
    • 4.1.268   INDEXED
    • 4.1.269   INDICATE
    • 4.1.270   INDIRECT
    • 4.1.271   INHERITS
    • 4.1.272   INITIAL
    • 4.1.273   INITIALISE
    • 4.1.274   INITIALISED
    • 4.1.275   INITIALIZE
    • 4.1.276   INITIALIZED
    • 4.1.277   INITIATE
    • 4.1.278   INPUT
    • 4.1.279   INPUT-OUTPUT
    • 4.1.280   INSPECT
      • 4.1.280.1   printable characters
    • 4.1.281   INSTALLATION
    • 4.1.282   INTERFACE
    • 4.1.283   INTERFACE-ID
    • 4.1.284   INTERMEDIATE
    • 4.1.285   INTO
    • 4.1.286   INTRINSIC
    • 4.1.287   INVALID
    • 4.1.288   INVOKE
    • 4.1.289   IS
    • 4.1.290   JUST
    • 4.1.291   JUSTIFIED
    • 4.1.292   KEPT
    • 4.1.293   KEY
    • 4.1.294   KEYBOARD
    • 4.1.295   LABEL
    • 4.1.296   LAST
    • 4.1.297   LC_ALL
    • 4.1.298   LC_COLLATE
    • 4.1.299   LC_CTYPE
    • 4.1.300   LC_MESSAGES
    • 4.1.301   LC_MONETARY
    • 4.1.302   LC_NUMERIC
    • 4.1.303   LC_TIME
    • 4.1.304   LEADING
    • 4.1.305   LEFT
    • 4.1.306   LEFT-JUSTIFY
    • 4.1.307   LEFTLINE
    • 4.1.308   LENGTH
    • 4.1.309   LENGTH-CHECK
    • 4.1.310   LESS
    • 4.1.311   LIMIT
    • 4.1.312   LIMITS
    • 4.1.313   LINAGE
    • 4.1.314   LINAGE-COUNTER
    • 4.1.315   LINE
    • 4.1.316   LINE-COUNTER
    • 4.1.317   LINES
    • 4.1.318   LINKAGE
    • 4.1.319   LOCAL-STORAGE
    • 4.1.320   LOCALE
    • 4.1.321   LOCK
    • 4.1.322   LOW-VALUE
    • 4.1.323   LOW-VALUES
    • 4.1.324   LOWER
    • 4.1.325   LOWLIGHT
    • 4.1.326   MANUAL
    • 4.1.327   MEMORY
    • 4.1.328   MERGE
    • 4.1.329   MESSAGE
    • 4.1.330   METHOD
    • 4.1.331   METHOD-ID
    • 4.1.332   MINUS
    • 4.1.333   MODE
    • 4.1.334   MOVE
    • 4.1.335   MULTIPLE
    • 4.1.336   MULTIPLY
    • 4.1.337   NAME
    • 4.1.338   NATIONAL
    • 4.1.339   NATIONAL-EDITED
    • 4.1.340   NATIVE
    • 4.1.341   NEAREST-AWAY-FROM-ZERO
    • 4.1.342   NEAREST-EVEN
    • 4.1.343   NEAREST-TOWARD-ZERO
    • 4.1.344   NEGATIVE
    • 4.1.345   NESTED
    • 4.1.346   NEXT
    • 4.1.347   NO
    • 4.1.348   NO-ECHO
    • 4.1.349   NONE
    • 4.1.350   NORMAL
    • 4.1.351   NOT
    • 4.1.352   NULL
    • 4.1.353   NULLS
    • 4.1.354   NUMBER
    • 4.1.355   NUMBER-OF-CALL-PARAMETERS
    • 4.1.356   NUMBERS
    • 4.1.357   NUMERIC
    • 4.1.358   NUMERIC-EDITED
    • 4.1.359   OBJECT
    • 4.1.360   OBJECT-COMPUTER
    • 4.1.361   OBJECT-REFERENCE
    • 4.1.362   OCCURS
    • 4.1.363   OF
    • 4.1.364   OFF
    • 4.1.365   OMITTED
    • 4.1.366   ON
    • 4.1.367   ONLY
    • 4.1.368   OPEN
    • 4.1.369   OPTIONAL
    • 4.1.370   OPTIONS
    • 4.1.371   OR
    • 4.1.372   ORDER
    • 4.1.373   ORGANISATION
    • 4.1.374   ORGANIZATION
    • 4.1.375   OTHER
    • 4.1.376   OUTPUT
    • 4.1.377   OVERFLOW
    • 4.1.378   OVERLINE
    • 4.1.379   OVERRIDE
    • 4.1.380   PACKED-DECIMAL
    • 4.1.381   PADDING
    • 4.1.382   PAGE
    • 4.1.383   PAGE-COUNTER
    • 4.1.384   PARAGRAPH
    • 4.1.385   PERFORM
    • 4.1.386   PF
    • 4.1.387   PH
    • 4.1.388   PIC
    • 4.1.389   PICTURE
    • 4.1.390   PLUS
    • 4.1.391   POINTER
    • 4.1.392   POSITION
    • 4.1.393   POSITIVE
    • 4.1.394   PREFIXED
    • 4.1.395   PRESENT
    • 4.1.396   PREVIOUS
    • 4.1.397   PRINTER
    • 4.1.398   PRINTING
    • 4.1.399   PROCEDURE
    • 4.1.400   PROCEDURE-POINTER
    • 4.1.401   PROCEDURES
    • 4.1.402   PROCEED
    • 4.1.403   PROGRAM
    • 4.1.404   PROGRAM-ID
    • 4.1.405   PROGRAM-POINTER
    • 4.1.406   PROHIBITED
    • 4.1.407   PROMPT
    • 4.1.408   PROPERTY
    • 4.1.409   PROTECTED
    • 4.1.410   PROTOTYPE
    • 4.1.411   PURGE
    • 4.1.412   QUEUE
    • 4.1.413   QUOTE
    • 4.1.414   QUOTES
    • 4.1.415   RAISE
    • 4.1.416   RAISING
    • 4.1.417   RANDOM
    • 4.1.418   RD
    • 4.1.419   READ
    • 4.1.420   READY
    • 4.1.421   RECEIVE
    • 4.1.422   RECORD
    • 4.1.423   RECORDING
    • 4.1.424   RECORDS
    • 4.1.425   RECURSIVE
    • 4.1.426   REDEFINES
    • 4.1.427   REEL
    • 4.1.428   REFERENCE
    • 4.1.429   REFERENCES
    • 4.1.430   RELATION
    • 4.1.431   RELATIVE
    • 4.1.432   RELEASE
    • 4.1.433   REMAINDER
    • 4.1.434   REMARKS
    • 4.1.435   REMOVAL
    • 4.1.436   RENAMES
    • 4.1.437   REPLACE
    • 4.1.438   REPLACING
    • 4.1.439   REPORT
    • 4.1.440   REPORTING
    • 4.1.441   REPORTS
    • 4.1.442   REPOSITORY
      • 4.1.442.1   Function library main module
    • 4.1.443   REQUIRED
    • 4.1.444   RESERVE
    • 4.1.445   RESET
    • 4.1.446   RESUME
    • 4.1.447   RETRY
    • 4.1.448   RETURN
    • 4.1.449   RETURN-CODE
    • 4.1.450   RETURNING
    • 4.1.451   REVERSE-VIDEO
    • 4.1.452   REVERSED
    • 4.1.453   REWIND
    • 4.1.454   REWRITE
    • 4.1.455   RF
    • 4.1.456   RH
    • 4.1.457   RIGHT
    • 4.1.458   RIGHT-JUSTIFY
    • 4.1.459   ROLLBACK
    • 4.1.460   ROUNDED
    • 4.1.461   ROUNDING
    • 4.1.462   RUN
    • 4.1.463   SAME
    • 4.1.464   SCREEN
    • 4.1.465   SCROLL
    • 4.1.466   SD
    • 4.1.467   SEARCH
    • 4.1.468   SECONDS
    • 4.1.469   SECTION
    • 4.1.470   SECURE
    • 4.1.471   SECURITY
    • 4.1.472   SEGMENT
    • 4.1.473   SEGMENT-LIMIT
    • 4.1.474   SELECT
    • 4.1.475   SELF
    • 4.1.476   SEND
    • 4.1.477   SENTENCE
    • 4.1.478   SEPARATE
    • 4.1.479   SEQUENCE
    • 4.1.480   SEQUENTIAL
      • 4.1.480.1   Variable length sequential
    • 4.1.481   SET
    • 4.1.482   SHARING
    • 4.1.483   SIGN
    • 4.1.484   SIGNED
    • 4.1.485   SIGNED-INT
    • 4.1.486   SIGNED-LONG
    • 4.1.487   SIGNED-SHORT
    • 4.1.488   SIZE
    • 4.1.489   SORT
      • 4.1.489.1   An OCSort support tool
      • 4.1.489.2   IN ORDER
    • 4.1.490   SORT-MERGE
    • 4.1.491   SORT-RETURN
    • 4.1.492   SOURCE
    • 4.1.493   SOURCE-COMPUTER
    • 4.1.494   SOURCES
    • 4.1.495   SPACE
    • 4.1.496   SPACES
    • 4.1.497   SPECIAL-NAMES
    • 4.1.498   STANDARD
    • 4.1.499   STANDARD-1
    • 4.1.500   STANDARD-2
    • 4.1.501   STANDARD-BINARY
    • 4.1.502   STANDARD-DECIMAL
    • 4.1.503   START
    • 4.1.504   STATEMENT
    • 4.1.505   STATIC
    • 4.1.506   STATUS
    • 4.1.507   STDCALL
    • 4.1.508   STEP
    • 4.1.509   STOP
      • 4.1.509.1   Temporary STOP
    • 4.1.510   STRING
    • 4.1.511   STRONG
    • 4.1.512   SUB-QUEUE-1
    • 4.1.513   SUB-QUEUE-2
    • 4.1.514   SUB-QUEUE-3
    • 4.1.515   SUBTRACT
    • 4.1.516   SUM
    • 4.1.517   SUPER
    • 4.1.518   SUPPRESS
    • 4.1.519   SYMBOL
    • 4.1.520   SYMBOLIC
    • 4.1.521   SYNC
    • 4.1.522   SYNCHRONISED
    • 4.1.523   SYNCHRONIZED
    • 4.1.524   SYSTEM-DEFAULT
    • 4.1.525   TAB
    • 4.1.526   TABLE
    • 4.1.527   TALLY
    • 4.1.528   TALLYING
    • 4.1.529   TAPE
    • 4.1.530   TERMINAL
    • 4.1.531   TERMINATE
    • 4.1.532   TEST
    • 4.1.533   TEXT
    • 4.1.534   THAN
    • 4.1.535   THEN
    • 4.1.536   THROUGH
    • 4.1.537   THRU
    • 4.1.538   TIME
    • 4.1.539   TIME-OUT
    • 4.1.540   TIMEOUT
    • 4.1.541   TIMES
    • 4.1.542   TO
    • 4.1.543   TOP
    • 4.1.544   TOWARD-GREATER
    • 4.1.545   TOWARD-LESSER
    • 4.1.546   TRACE
    • 4.1.547   TRAILING
    • 4.1.548   TRAILING-SIGN
    • 4.1.549   TRANSFORM
    • 4.1.550   TRUE
    • 4.1.551   TRUNCATION
    • 4.1.552   TYPE
    • 4.1.553   TYPEDEF
    • 4.1.554   UCS-4
    • 4.1.555   UNDERLINE
    • 4.1.556   UNIT
    • 4.1.557   UNIVERSAL
    • 4.1.558   UNLOCK
    • 4.1.559   UNSIGNED
    • 4.1.560   UNSIGNED-INT
    • 4.1.561   UNSIGNED-LONG
    • 4.1.562   UNSIGNED-SHORT
    • 4.1.563   UNSTRING
    • 4.1.564   UNTIL
    • 4.1.565   UP
    • 4.1.566   UPDATE
    • 4.1.567   UPON
    • 4.1.568   UPPER
    • 4.1.569   USAGE
    • 4.1.570   USE
    • 4.1.571   USER
    • 4.1.572   USER-DEFAULT
    • 4.1.573   USING
    • 4.1.574   UTF-16
    • 4.1.575   UTF-8
    • 4.1.576   VAL-STATUS
    • 4.1.577   VALID
    • 4.1.578   VALIDATE
    • 4.1.579   VALIDATE-STATUS
    • 4.1.580   VALUE
    • 4.1.581   VALUES
    • 4.1.582   VARYING
    • 4.1.583   WAIT
    • 4.1.584   WHEN
    • 4.1.585   WHEN-COMPILED
    • 4.1.586   WITH
    • 4.1.587   WORDS
    • 4.1.588   WORKING-STORAGE
    • 4.1.589   WRITE
    • 4.1.590   YYYYDDD
    • 4.1.591   YYYYMMDD
    • 4.1.592   ZERO
    • 4.1.593   ZERO-FILL
    • 4.1.594   ZEROES
    • 4.1.595   ZEROS
  • 4.2   Does GnuCOBOL implement any Intrinsic FUNCTIONs?
    • 4.2.1   FUNCTION ABS
    • 4.2.2   FUNCTION ACOS
    • 4.2.3   FUNCTION ANNUITY
    • 4.2.4   FUNCTION ASIN
    • 4.2.5   FUNCTION ATAN
    • 4.2.6   FUNCTION BOOLEAN-OF-INTEGER
    • 4.2.7   FUNCTION BYTE-LENGTH
    • 4.2.8   FUNCTION CHAR
    • 4.2.9   FUNCTION CHAR-NATIONAL
    • 4.2.10   FUNCTION COMBINED-DATETIME
    • 4.2.11   FUNCTION CONCATENATE
    • 4.2.12   FUNCTION COS
    • 4.2.13   FUNCTION CURRENCY-SYMBOL
    • 4.2.14   FUNCTION CURRENT-DATE
    • 4.2.15   FUNCTION DATE-OF-INTEGER
    • 4.2.16   FUNCTION DATE-TO-YYYYMMDD
    • 4.2.17   FUNCTION DAY-OF-INTEGER
    • 4.2.18   FUNCTION DAY-TO-YYYYDDD
    • 4.2.19   FUNCTION DISPLAY-OF
    • 4.2.20   FUNCTION E
    • 4.2.21   FUNCTION EXCEPTION-FILE
    • 4.2.22   FUNCTION EXCEPTION-FILE-N
    • 4.2.23   FUNCTION EXCEPTION-LOCATION
    • 4.2.24   FUNCTION EXCEPTION-LOCATION-N
    • 4.2.25   FUNCTION EXCEPTION-STATEMENT
    • 4.2.26   FUNCTION EXCEPTION-STATUS
    • 4.2.27   FUNCTION EXP
    • 4.2.28   FUNCTION EXP10
    • 4.2.29   FUNCTION FACTORIAL
    • 4.2.30   FUNCTION FORMATTED-CURRENT-DATE
    • 4.2.31   FUNCTION FORMATTED-DATE
    • 4.2.32   FUNCTION FORMATTED-DATETIME
    • 4.2.33   FUNCTION FORMATTED-TIME
    • 4.2.34   FUNCTION FRACTION-PART
    • 4.2.35   FUNCTION HIGHEST-ALGEBRAIC
    • 4.2.36   FUNCTION INTEGER
    • 4.2.37   FUNCTION INTEGER-OF-BOOLEAN
    • 4.2.38   FUNCTION INTEGER-OF-DATE
    • 4.2.39   FUNCTION INTEGER-OF-DAY
    • 4.2.40   FUNCTION INTEGER-OF-FORMATTED-DATE
    • 4.2.41   FUNCTION INTEGER-PART
    • 4.2.42   FUNCTION LENGTH
    • 4.2.43   FUNCTION LENGTH-AN
    • 4.2.44   FUNCTION LOCALE-COMPARE
    • 4.2.45   FUNCTION LOCALE-DATE
    • 4.2.46   FUNCTION LOCALE-TIME
    • 4.2.47   FUNCTION LOCALE-TIME-FROM-SECONDS
    • 4.2.48   FUNCTION LOG
    • 4.2.49   FUNCTION LOG10
    • 4.2.50   FUNCTION LOWER-CASE
    • 4.2.51   FUNCTION LOWEST-ALGEBRAIC
    • 4.2.52   FUNCTION MAX
    • 4.2.53   FUNCTION MEAN
    • 4.2.54   FUNCTION MEDIAN
    • 4.2.55   FUNCTION MIDRANGE
    • 4.2.56   FUNCTION MIN
    • 4.2.57   FUNCTION MOD
    • 4.2.58   FUNCTION MODULE-CALLER-ID
    • 4.2.59   FUNCTION MODULE-DATE
    • 4.2.60   FUNCTION MODULE-FORMATTED-DATE
    • 4.2.61   FUNCTION MODULE-ID
    • 4.2.62   FUNCTION MODULE-PATH
    • 4.2.63   FUNCTION MODULE-SOURCE
    • 4.2.64   FUNCTION MODULE-TIME
    • 4.2.65   FUNCTION MONETARY-DECIMAL-POINT
    • 4.2.66   FUNCTION MONETARY-THOUSANDS-SEPARATOR
    • 4.2.67   FUNCTION NATIONAL-OF
    • 4.2.68   FUNCTION NUMERIC-DECIMAL-POINT
    • 4.2.69   FUNCTION NUMERIC-THOUSANDS-SEPARATOR
    • 4.2.70   FUNCTION NUMVAL
    • 4.2.71   FUNCTION NUMVAL-C
    • 4.2.72   FUNCTION NUMVAL-F
    • 4.2.73   FUNCTION ORD
    • 4.2.74   FUNCTION ORD-MAX
    • 4.2.75   FUNCTION ORD-MIN
    • 4.2.76   FUNCTION PI
    • 4.2.77   FUNCTION PRESENT-VALUE
    • 4.2.78   FUNCTION RANDOM
    • 4.2.79   FUNCTION RANGE
    • 4.2.80   FUNCTION REM
    • 4.2.81   FUNCTION REVERSE
    • 4.2.82   FUNCTION SECONDS-FROM-FORMATTED-TIME
    • 4.2.83   FUNCTION SECONDS-PAST-MIDNIGHT
    • 4.2.84   FUNCTION SIGN
    • 4.2.85   FUNCTION SIN
    • 4.2.86   FUNCTION SQRT
    • 4.2.87   FUNCTION STANDARD-COMPARE
    • 4.2.88   FUNCTION STANDARD-DEVIATION
    • 4.2.89   FUNCTION STORED-CHAR-LENGTH
    • 4.2.90   FUNCTION SUBSTITUTE
    • 4.2.91   FUNCTION SUBSTITUTE-CASE
    • 4.2.92   FUNCTION SUM
    • 4.2.93   FUNCTION TAN
    • 4.2.94   FUNCTION TEST-DATE-YYYYMMDD
    • 4.2.95   FUNCTION TEST-DAY-YYYYDDD
    • 4.2.96   FUNCTION TEST-FORMATTED-DATETIME
    • 4.2.97   FUNCTION TEST-NUMVAL
    • 4.2.98   FUNCTION TEST-NUMVAL-C
    • 4.2.99   FUNCTION TEST-NUMVAL-F
    • 4.2.100   FUNCTION TRIM
    • 4.2.101   FUNCTION UPPER-CASE
    • 4.2.102   FUNCTION VARIANCE
    • 4.2.103   FUNCTION WHEN-COMPILED
    • 4.2.104   FUNCTION YEAR-TO-YYYY
  • 4.3   Can you clarify the use of FUNCTION in GnuCOBOL?
  • 4.4   What is the difference between the LENGTH verb and FUNCTION LENGTH?
  • 4.5   What STOCK CALL LIBRARY does GnuCOBOL offer?
    • 4.5.1   list-system
    • 4.5.2   A CBL_ERROR_PROC example
    • 4.5.3   byte access files
    • 4.5.4   Some stock library explanations
  • 4.6   What are the XF4, XF5, and X91 routines?
  • 4.7   What is CBL_OC_NANOSLEEP?
  • 4.8   How do you use C$JUSTIFY?
  • 4.9   What preprocessor directives are supported by GnuCOBOL?
    • 4.9.1   >>D
    • 4.9.2   >>DEFINE
    • 4.9.3   >>DISPLAY
    • 4.9.4   >>IF
      • 4.9.4.1   Predefined symbols
    • 4.9.5   >>ELSE-IF
    • 4.9.6   >>ELIF
    • 4.9.7   >>ELSE
    • 4.9.8   >>END-IF
    • 4.9.9   >>LEAP-SECOND
    • 4.9.10   >>SET
    • 4.9.11   >>SOURCE
    • 4.9.12   >>TURN
    • 4.9.13   Example of compiler directives
  • 4.10   What are the GnuCOBOL mnemonics?
  • 4.11   What are the GnuCOBOL DATA DIVISION level numbers?
    • 4.11.1   Special Data Levels
• 5   Features and extensions
  • 5.1   How do I use GnuCOBOL for CGI?
    • 5.1.1   AJAX
    • 5.1.2   jQuery
    • 5.1.3   CGIFORM
  • 5.2   What is ocdoc?
    • 5.2.1   ocdoc generated ocdoc documentation
  • 5.3   What is CBL_OC_DUMP?
    • 5.3.1   Update to OC_CBL_DUMP
  • 5.4   Does GnuCOBOL support any SQL databases?
    • 5.4.1   OCESQL
      • 5.4.1.1   Running ocesql
    • 5.4.2   esqlOC
    • 5.4.3   Firebird gpre
    • 5.4.4   Oracle
    • 5.4.5   DB2
    • 5.4.6   Other SQL engines
    • 5.4.7   Oracle procob and binary data sizes
    • 5.4.8   Direct PostgreSQL Sample
    • 5.4.9   Oracle 12.1
    • 5.4.10   ODBC
  • 5.5   Does GnuCOBOL support ISAM?
    • 5.5.1   FILE STATUS
    • 5.5.2   VBISAM
  • 5.6   Does GnuCOBOL support modules?
  • 5.7   What is COB_PRE_LOAD?
  • 5.8   What is the GnuCOBOL LINKAGE SECTION for?
  • 5.9   What does the -fstatic-linkage GnuCOBOL compiler option do?
  • 5.10   Does GnuCOBOL support Message Queues?
  • 5.11   Can GnuCOBOL interface with Lua?
  • 5.12   Can GnuCOBOL use ECMAScript?
  • 5.13   Can GnuCOBOL use JavaScript?
    • 5.13.1   Seed
  • 5.14   Can GnuCOBOL interface with Scheme?
  • 5.15   Can GnuCOBOL interface with Tcl/Tk?
  • 5.16   Can GnuCOBOL interface with Falcon PL?
  • 5.17   Can GnuCOBOL interface with Ada?
  • 5.18   Can GnuCOBOL interface with Vala?
    • 5.18.1   Call GnuCOBOL programs from Vala
    • 5.18.2   Call GnuCOBOL from a Vala GTK gui application
    • 5.18.3   Call Genie program from GnuCOBOL
    • 5.18.4   Pass data to and from Genie
  • 5.19   Can GnuCOBOL interface with S-Lang?
    • 5.19.1   Setup
    • 5.19.2   Keyboard control
    • 5.19.3   Scripting
  • 5.20   Can the GNAT Programming Studio be used with GnuCOBOL?
  • 5.21   Does GnuCOBOL support SCREEN SECTION?
    • 5.21.1   Environment variables in source code
  • 5.22   What are the GnuCOBOL SCREEN SECTION colour values?
  • 5.23   Does GnuCOBOL support CRT STATUS?
  • 5.24   What is CobCurses?
  • 5.25   What is CobXRef?
  • 5.26   Does GnuCOBOL implement Report Writer?
  • 5.27   Does GnuCOBOL implement LINAGE?
  • 5.28   Can I use ctags with GnuCOBOL?
    • 5.28.1   Vim and ctags
  • 5.29   What about debugging GnuCOBOL programs?
    • 5.29.1   Some debugging tricks
    • 5.29.2   Animator
    • 5.29.3   Unit testing
  • 5.30   Is there a C interface to GnuCOBOL?
    • 5.30.1   TCC
  • 5.31   What are some idioms for dealing with C char * data from GnuCOBOL?
  • 5.32   Does GnuCOBOL support COPY includes?
  • 5.33   Does GnuCOBOL support WHEN-COMPILED?
  • 5.34   What is PI in GnuCOBOL?
  • 5.35   Does GnuCOBOL support the Object features of the 2002 standard?
  • 5.36   Does GnuCOBOL implement level 78?
  • 5.37   Does GnuCOBOL implement CONSTANT?
  • 5.38   What source formats are accepted by GnuCOBOL?
    • 5.38.1   commas
  • 5.39   Does GnuCOBOL support continuation lines?
  • 5.40   Does GnuCOBOL support string concatenation?
  • 5.41   Does GnuCOBOL support D indicator debug lines?
  • 5.42   Does GnuCOBOL support mixed case source code?
  • 5.43   What is the shortest GnuCOBOL program?
  • 5.44   What is the shortest Hello World program in GnuCOBOL?
  • 5.45   How do I get those nifty sequential sequence numbers in a source file?
  • 5.46   Is there a way to count trailing spaces in data fields using GnuCOBOL?
  • 5.47   Is there a way to left justify an edited numeric field?
  • 5.48   Is there a way to detemermine when GnuCOBOL is running ASCII or EBCDIC?
  • 5.49   Is there a way to determine when GnuCOBOL is running on 32 or 64 bits?
  • 5.50   Does GnuCOBOL support recursion?
  • 5.51   Does GnuCOBOL capture arithmetic overflow?
  • 5.52   Can GnuCOBOL be used for plotting?
    • 5.52.1   gnuplot
    • 5.52.2   MathGL
  • 5.53   Does GnuCOBOL support the GIMP ToolKit, GTK+?
    • 5.53.1   The functional GTK+ project
    • 5.53.2   A web browsing widget embedded in GnuCOBOL?
  • 5.54   What is OCSort?
  • 5.55   When is Easter?
    • 5.55.1   Easter program critique
    • 5.55.2   A real COBOL Computus
    • 5.55.3   Another Computus
  • 5.56   Does Vim support GnuCOBOL?
    • 5.56.1   vim code completion
    • 5.56.2   freedom
    • 5.56.3   autoload a skeleton
    • 5.56.4   elvis
  • 5.57   What is w3m?
  • 5.58   What is COB_LIBRARY_PATH?
  • 5.59   Can GnuCOBOL interface with Rexx?
    • 5.59.1   Open Object Rexx
    • 5.59.2   Regina Rexx
  • 5.60   Does GnuCOBOL support table SEARCH and SORT?
    • 5.60.1   Linear SEARCH
    • 5.60.2   SORT and binary SEARCH ALL
  • 5.61   Can GnuCOBOL handle named pipes?
    • 5.61.1   popen
  • 5.62   Can GnuCOBOL interface with ROOT/CINT?
    • 5.62.1   Graphing sample
  • 5.63   Can GnuCOBOL be used to serve HTTP?
    • 5.63.1   GNU libmicrohttpd
    • 5.63.2   libsoup HTTP server
  • 5.64   Is there a good SCM tool for GnuCOBOL?
    • 5.64.1   cobweb-words
  • 5.65   Does GnuCOBOL interface with FORTRAN?
  • 5.66   Does GnuCOBOL interface with APL?
  • 5.67   Does GnuCOBOL interface with J?
  • 5.68   What is COBOLUnit?
  • 5.69   Can GnuCOBOL interface with Gambas?
  • 5.70   Does GnuCOBOL work with LLVM?
  • 5.71   Does GnuCOBOL interface with Python?
  • 5.72   Can GnuCOBOL interface with Forth?
  • 5.73   Can GnuCOBOL interface with Shakespeare?
  • 5.74   Can GnuCOBOL interface with Ruby?
    • 5.74.1   mruby
  • 5.75   Can GnuCOBOL interface with Pure?
  • 5.76   Can GnuCOBOL process null terminated strings?
  • 5.77   Can GnuCOBOL display the process environment space?
  • 5.78   Can GnuCOBOL generate callable programs with void returns?
    • 5.78.1   voidcall_gtk.c
    • 5.78.2   A GTK+ calendar
  • 5.79   Can GnuCOBOL interface with Jim TCL?
  • 5.80   Can GnuCOBOL interface with RLIB?
  • 5.81   Can GnuCOBOL interface with Perl?
  • 5.82   Can GnuCOBOL interface with BASIC?
    • 5.82.1   Gambas
    • 5.82.2   BaCon
  • 5.83   Can GnuCOBOL interface with Nim?
  • 5.84   What is COBJAPI?
  • 5.85   Does GnuCOBOL support source code macros?
  • 5.86   What is the largest known prime number?
  • 5.87   Is there an assembler interface to GnuCOBOL?
    • 5.87.1   cpuid
    • 5.87.2   GNU lightning
  • 5.88   Can GnuCOBOL interface with D?
  • 5.89   Can you run GnuCOBOL programs from Node.js?
  • 5.90   What is cobol-unit-test?
    • 5.90.1   cobol-unit-test examples
    • 5.90.2   cobol-unit-test credits
  • 5.91   Does GnuCOBOL work with SWIG?
    • 5.91.1   Using SWIG
    • 5.91.2   Contract programming with SWIG
    • 5.91.3   SWIG in summary
  • 5.92   What is small s.c.r.i.p.t.?
    • 5.92.1   deadfish
  • 5.93   How do I determine the amount of memory available?
  • 5.94   What is CBL_OC_GETOPT?
  • 5.95   Does GnuCOBOL work with shell scripting?
  • 5.96   Can GnuCOBOL generate Postscript?
  • 5.97   Can GnuCOBOL interface with Java?
  • 5.98   Can GnuCOBOL interface with Icon?
    • 5.98.1   Unicon
  • 5.99   What is JRecord?
    • 5.99.1   cb2xml
    • 5.99.2   RecordEditor
  • 5.100   Can GnuCOBOL interface with Piet?
  • 5.101   Can GnuCOBOL be used with D-Bus?
  • 5.102   Can GnuCOBOL interface with Red?
    • 5.102.1   COBOLREBOL
  • 5.103   Can GnuCOBOL catch POSIX signals?
  • 5.104   Can GnuCOBOL interface with X11?
  • 5.105   Can GnuCOBOL interface with PARI/GP?
  • 5.106   Can GnuCOBOL interface with GRETL?
  • 5.107   What is CBL_OC_SOCKET?
  • 5.108   Can GnuCOBOL interface with Haxe/Neko?
• 6   GnuCOBOL in production
  • 6.1   Is GnuCOBOL ready for production use?
  • 6.2   What issues will I face when porting from a mainframe?
    • 6.2.1   Enterprise
  • 6.3   What about GnuCOBOL in High Performance Computing?
    • 6.3.1   Chapel
  • 6.4   Mixed programming with GnuCOBOL?
• 7   Notes
  • 7.1   big-endian
  • 7.2   little-endian
  • 7.3   ASCII notes
  • 7.4   currency symbol
  • 7.5   DSO
  • 7.6   errno
  • 7.7   gdb
  • 7.8   GMP
  • 7.9   ISAM
  • 7.10   line sequential
  • 7.11   APT
  • 7.12   ROBODoc Support
  • 7.13   cobol.vim
  • 7.14   make check listing
  • 7.15   ABI
  • 7.16   Tectonics
  • 7.17   Setting Locale
  • 7.18   GNU
  • 7.19   Performing FOREVER?
  • 7.20   POSIX
  • 7.21   BITWISE
  • 7.22   Getting Started with esqlOC
    • 7.22.1   esqlOC example
    • 7.22.2   What does this code do?
    • 7.22.3   And this works with which database systems?
    • 7.22.4   Does it really work?
    • 7.22.5   Features
    • 7.22.6   Getting started with esqlOC (WinXP, MySQL, “OpenCOBOL 1.1” build by Sergey)
  • 7.23   UDF
  • 7.24   GUI
  • 7.25   Elvis support for GnuCOBOL
  • 7.26   FAQ
  • 7.27   Hercules
    • 7.27.1   TK4-
  • 7.28   JCL
    • 7.28.1   Hello, System/370 and MVT 21.8
  • 7.29   Kate
    • 7.29.1   cobol.xml
  • 7.30   libpgsql.cob
  • 7.31   Sample shortforms
  • 7.32   y2k
  • 7.33   Quine
  • 7.34   bubble-cobol.tcl
  • 7.35   Rosetta Code
  • 7.36   cobweb-periodic listing
  • 7.37   GnuCOBOL FAQ feedback
• 8   Authors
  • 8.1   Maintainers and Contributors
• 9   ChangeLog