WUT_Computer_Science/EOPSY/task1/modify.sh

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#!/bin/bash
while getopts ":h" option; do
echo "This script modifies file names"
echo "-l lowerize file names"
echo "-u uppercase file names"
echo "-r recurse into directory"
echo "[-r] <sed pattern> specify sed pattern that will be executed on file names"
echo "-h show this help information"
done