Write a script that accepts a file name as arguments and display the last modification time if the file exists and a suitable message if it doesn't.
if [ -f $1 ]
then
ls -l $1 | awk '{print $5 $6 $7}'
else
echo "file does not exist"
fi
Note : the main logic in above script is this "ls -l $1 | awk '{print $5 $6 $7}' ".
In this line ls -l $1 prints all the details of the file and awk command prints the 5,6 and 7th attribute.
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