August 1999
Intermediate to advanced
1000 pages
83h 9m
English
Content preview from Solaris™ 7 Reference
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shift — Shell Built-in Function to Traverse Either a Shell’s Argument List or a List of Field-Separated Words
Synopsis
sh
shift [n] csh
shift [variable] ksh
*
shift [n] Description
The shift command is a shell built-in command that traverses either the argument list of the shell or a list of field-separated words.
Bourne Shell
The positional parameters from $n +1... are renamed $1.... The default n is 1.
C Shell
The components of argv, or variable , if supplied, are shifted to the left, discarding the first component. It is an error for the variable not to be set or to have a null value.
Korn Shell
The positional parameters from $n +1 $n +1... are renamed $1.... The default n is 1. The parameter n can be any arithmetic expression ...
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