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- .th SHIFT I 8/21/73
- .sh NAME
- shift \*- adjust Shell arguments
- .sh SYNOPSIS
- .bd shift
- .sh DESCRIPTION
- .it Shift
- is used in Shell command files to shift the
- argument list left by 1,
- so that old
- .bd $2
- can now be referred to by
- .bd $1
- and so forth.
- .it Shift
- is useful to iterate over several arguments
- to a command file.
- For example, the command file
- .s3
- .lp +5 0
- : loop
- .br
- if $1x = x exit
- .br
- pr \*-3 $1
- .br
- shift
- .br
- goto loop
- .s3
- .i0
- prints each of its arguments in 3-column format.
- .s3
- .it Shift
- is executed within the Shell.
- .sh "SEE ALSO"
- sh (I)
- .sh BUGS
-