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Full Discussion: Problem with getopts
Top Forums Shell Programming and Scripting Problem with getopts Post 302111229 by Raghuram.P on Tuesday 20th of March 2007 07:43:20 AM
Old 03-20-2007
Hi,
You can achieve the same without using getopts :
Code:
#!/usr/bin/bash

ARGUMENTS="a:b"
check_in_args()
{
	PAT=`echo ${ARGUMENTS} | awk -F: -v arg=$1 '{
			for(i=1;i<=NF;i++)
			{
				if("-" $i == arg)
				{
					printf("FOUND");
					break;
				}
			}
		}'`
	if [ "${PAT}" = "FOUND" ]
	then
		return 1
	else
		return 0
	fi
}

while [ $# -ne 0 ]
do
	case $1 in
	-a)
		check_in_args $2 RET
		if [ $? -eq 1 ]
		then
			A_VAL=""
		else
			A_VAL="$2"
			shift
		fi
	;;
	-b)
		check_in_args $2 RET
		if [ "${RET}" = "1" ]
		then
			B_VAL=""
		else
			B_VAL="$2"
			shift
		fi
	;;
	*)
	;;
	esac
	shift
done
echo "A:${A_VAL}"
echo "B:${B_VAL}"

Thanks
Raghu
Last edited by Perderabo; 03-20-2007 at 01:22 PM.. Reason: Add code tags for readability
 

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LEARN ABOUT SUNOS

setusershell

getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME

       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS

       #include <unistd.h>

       char *getusershell(void);

       void setusershell(void);

       void endusershell(void);

DESCRIPTION

       The  getusershell()  function  returns  a  pointer  to  a  legal  user  shell  as defined by the system manager in the file /etc/shells. If
       /etc/shells does not exist, the following locations of the standard system shells are used in its place:

       /bin/bash		  /bin/csh
       /bin/jsh 		  /bin/ksh
       /bin/pfcsh		  /bin/pfksh
       /bin/pfsh		  /bin/sh
       /bin/tcsh		  /bin/zsh
       /sbin/jsh		  /sbin/pfsh
       /sbin/sh 		  /usr/bin/bash
       /usr/bin/csh		  /usr/bin/jsh
       /usr/bin/ksh		  /usr/bin/pfcsh
       /usr/bin/pfksh		  /usr/bin/pfsh
       /usr/bin/sh		  /usr/bin/tcsh
       /usr/bin/zsh		  /usr/xpg4/bin/sh

       The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells.

       The setusershell() function rewinds the file or the list.

       The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells.

RETURN VALUES

       The getusershell() function returns a null pointer on EOF.

BUGS

       All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved.

SunOS 5.10							    30 Aug 2004 						  getusershell(3C)
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