Write a script to delete empty lines from a file

If file contains


OUT PUT will be



  


 #!/bin/bash

<<doc 

Name : Omprakash A Timashetti 

Date : 17/08/2022

Description: Write a script to delete empty lines from a file

Sample Input: ./delete_empty_lines.sh file.txt

Sample Output: Empty lines are deleted

               Hello

               How

               are

               you?

Sample Input :./delete_empty_lines.sh

Sample Output :Error: Please pass the file name through command line.

doc


#Script to delete Empty line from file


if [ $# -eq  1 ]

then 

    sed -i '/^[[:blank:]]*$/d' $1                #Command to delete empty lines,blank lines from file

    cat $1

else

    echo "Error: Please pass the file name through command linei." #if no file passed it will givean Error

fi


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