Question

Shell script

Write a case condition that:

Store the file name by default in $FILE or you may read it as input argument while running the script.

Case 1- checks if file is a directory

Case 3- file is a regular file

Case 2- if a file is readable

Case 3- if file is writeable

Problem 5: Write a shell script that reads a filename; and verifies the file extension to be text/ jpeg/gif/png. If it is text file also display the contents of the file.

Answer 1

if [ -z "$1" ]
then
   file="/home/madhav/Desktop/HomeworkLib/test"
else
   file=$1
fi

case "$(ls -ld -- $file)" in
-*) echo 'Regular file' ;;
d*) echo 'Directory' ;;
r*) echo 'Readable' ;;
w*) echo 'Writeable' ;;
*) echo 'other' ;;
esac

#!/bin/bash
file=$1

filename=$(basename -- "$file")
extension="${filename##*.}"
filename="${filename%.*}"

echo "given argument's filename is: $filename"
echo "given argument's extension is: $extension"

cat $file

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