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IF
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1991-07-28
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IF(REL2) ARP User's Manual IF(REL2)
NAME
IF - test for conditionals in batch files
SYNOPSIS
IF <condition to test for>
DESCRIPTION
You can use this command to provide some logic for batch
files. You can test for the presence of a file using the
EXISTS <filename> keyword, you can compare two strings for
equality (disregarding case) using the EQ keyword ( "string"
EQ "string") you can test for the previous programs return
codes WARN >= 5, ERROR >= 10, FAIL >= 20. You can also
combine any one of these commands with NOT, which inverts
the result. I.E., if a file does exists, then NOT EXISTS
file> will return FALSE, and cause the IF to fail. When IF
fails, it moves the execution of the file ahead to the next
ELSE or ENDIF command. ELSE and ENDIF are bound to the most
recent IF.
EXAMPLE
IF EXISTS BCPL_PROGRAM
Echo "You should delete BCPL_PROGRAM"
ELSE
Echo "An excellent Disk"
ENDIF
Page 1 (printed 2/22/88)