03-09-2004
in general, u can use the $1, $2 as the positional parameter, and if you dont care about the number of parameters then just use the "shift" to pick up one by one parameter. for more on shift, check man shift.
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SHIFT(P) POSIX Programmer's Manual SHIFT(P)
NAME
shift - shift positional parameters
SYNOPSIS
shift [n]
DESCRIPTION
The positional parameters shall be shifted. Positional parameter 1 shall be assigned the value of parameter (1+n), parameter 2 shall be
assigned the value of parameter (2+n), and so on. The parameters represented by the numbers "$#" 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 Technol-
ogy -- 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 original Standard can be obtained
online at http://www.opengroup.org/unix/online.html .
IEEE
/The Open Group 2003 SHIFT(P)