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SHIFT(P)			    POSIX Programmer's Manual				 SHIFT(P)

NAME
       shift - shift positional parameters

SYNOPSIS
       shift [n]

DESCRIPTION
       The  positional	parameters shall be shifted. Positional parameter 1 shall be assigned the
       value of parameter (1+n), parameter 2 shall be assigned the value of parameter (2+n),  and
       so on. The parameters represented by the numbers "$#" down to "$#-n+1" shall be unset, and
       the parameter '#' is updated to reflect the new number of positional parameters.

       The value n shall be an unsigned decimal integer less than or equal to the  value  of  the
       special	parameter  '#'	.  If n is not given, it shall be assumed to be 1. If n is 0, the
       positional and special parameters are not changed.

OPTIONS
       None.

OPERANDS
       See the DESCRIPTION.

STDIN
       Not used.

INPUT FILES
       None.

ENVIRONMENT VARIABLES
       None.

ASYNCHRONOUS EVENTS
       Default.

STDOUT
       Not used.

STDERR
       The standard error shall be used only for diagnostic messages.

OUTPUT FILES
       None.

EXTENDED DESCRIPTION
       None.

EXIT STATUS
       The exit status is >0 if n>$#; otherwise, it is zero.

CONSEQUENCES OF ERRORS
       Default.

       The following sections are informative.

APPLICATION USAGE
       None.

EXAMPLES
	      $ set a b c d e
	      $ shift 2
	      $ echo $*
	      c d e

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       Special Built-In Utilities

COPYRIGHT
       Portions of this text are reprinted and	reproduced  in	electronic  form  from	IEEE  Std
       1003.1,	2003  Edition,	Standard  for Information Technology -- Portable Operating System
       Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003  by
       the  Institute  of  Electrical  and  Electronics Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE  and  The  Open  Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					 SHIFT(P)
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