Make your Shell Script interactive using read command,Linux Teacher Sourav,Kolkata 09748184075

#!/bin/sh
#
# 23/05/2018
#
echo "Usage Of Read Command in Linux"
rc=0 # return code
while [ $rc -eq 0 ]
do
read -p "Enter value or q to quit: " var
echo "var: $var"
if [ "$var" = "q" ] ; then
rc=1
fi
done
rc=0 # return code
while [ $rc -eq 0 ]
do
read -p "Password: " -s var
echo ""
# carriage return
echo "var: $var"
if [ "$var" = "q" ] ; then
rc=1
fi
done
echo "Press some keys and q to quit."
rc=0
# return code
while [ $rc -eq 0 ]
do
read -n 1 -s var # wait for 1 char, does not output it
echo $var # output it here
if [ "$var" = "q" ] ; then
rc=1
fi
done
exit $rc