Tests the value of an expression and, depending on the syntax
specified, executes the following:
o One command following the THEN keyword if the expression is
true
o Multiple commands following the $THEN command if the
expression is true
o One or more commands following the $ELSE command if the
expression is false
Format
$ IF expression THEN [$] command
or
$ IF expression
$ THEN [command]
command
.
.
.
$ [ELSE] [command]
command
.
.
.
$ ENDIF
NOTE
HP advises against assigning a symbolic name that is already
a DCL command name. HP especially discourages the assignment
of symbols such as IF, THEN, ELSE, and GOTO, which can
affect the interpretation of command procedures.
Additional Information:
explode
extract