#! bin/bash
#Printing lines with less than 20 characters:
echo "enter a filename to print from awk"
read fileName
if [[ -f $fileName ]]
then
awk ' length($0) < 20 ' $fileName
echo "==============================================================="
else
echo "$fileName doesn't exist"
fi
[prabhucloudxlab@cxln4 ~]$ sh hello.sh
enter a filename to print from awk
filegrep.txt
This is Linux 2000
This is MAC 4000
This is Linux 2000
This is MAC 4000
This is Linux 2000
This is MAC 4000
This is Linux 2000
This is MAC 4000
