Shell Programming and Scripting

 
#!/bin/ksh
set -x
while getopts j:s:b:e: opt; do
case $opt in
j) var3=${OPTARG};;
s) var1=y;;
b) var2=y;;
e) var4=`cat ${OPTARG}`;;
*) print "Unrecognized parameter ($opt).\n"
exit 1;;
esac
done
shift $OPTIND-1
if (( $# < 2 )); then
exit 1
fi
file_name=$1
dir=$2
var1=${var1:-n}
var2=${var2:-n}
var3=${var3:-'##nil##'}
var4=${var4:-`whoami`@abc.com}
echo $file_name
echo $dir
echo $var1
echo $var2
echo $var3
echo $var4

 
> test_getopts -j job1 -s -b -e mail.txt file_name1 dir1
+ getopts j:s:b:e: opt
+ var3=job1
+ getopts j:s:b:e: opt
+ var1=y
+ getopts j:s:b:e: opt
+ + cat mail.txt
var4=name@mail.com
+ getopts j:s:b:e: opt
+ shift 7-1
+ (( 2 < 2 ))
+ file_name=file_name1
+ dir=dir1
+ var1=y
+ var2=n
+ var3=job1
+ var4=name@mail.com
+ echo file_name1
file_name1
+ echo dir1
dir1
+ echo y
y
+ echo n
n
+ echo job1
job1
+ echo name@mail.com
name@mail.com