File Handling

These directives affect the way files are handled.

ANS85 ANSI'85 file status values.
ASSIGN Default filename assignment
ASSIGN-PRINTER Default printer filename assignment
AUTOLOCK Automatic file locking
CALLFH Callable file handler
CALLSORT Callable sort handler
COBFSTATCONV User-supplied module for converting file status codes
DATACOMPRESS Data compression
DETECT-LOCK Detect record locks
FDCLEAR Clear record buffers
FILESHARE Automatic file locking
FILETYPE Data file format
HOSTFD Allocation of record area
IDXFORMAT Indexed file structure
IXNLSKEY Local collating sequence for sorting index file keys
IXNUMKEY True numeric sorting on index keys
KEYCHECK Check keys are defined
KEYCOMPRESS Key compression
LOCKTYPE Type of record locking
OLDREADINTO Behavior of the READ ... INTO statement
OPTIONAL-FILE Files opened I-O or EXTEND treated as optional
PRINT-EXT Printer file extension
RDW Read record length of variable record
RECMODE Fixed or variable length
RETRYLOCK Retry reads on locked records
REWRITE-LS REWRITE statements allowed on line sequential files
SEQUENTIAL Variants of SEQUENTIAL organisation
WRITELOCK, WRITE-LOCK Record locks in a multi-user environment.
WRITETHROUGH, WRITETHRU Unbuffered writes

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