Exiv2

#!/bin/bash

IFS=$'\t\n'

function runmyfile {

	oldf1=$(exiv2 -PInv $gfile | grep 'FixtureId' | sed 's/^FixtureId[       ]*//')

	fixold=$oldf1

	echo -e "The word or phrase currently in this file reads:\n\t \033[4;37m${oldf1}\033[0m."

	echo -ne "\033[0;36mDo you want to change this Fixture ID to something else? \033[0m (y/n)\n"

	read yesorno

	if [ $yesorno = "n"  ]

	then

		echo -ne "No changes made to file \033[1;34m${gfile}.\033[0m\nBye.\n"

	else

		echo -ne "\033[1;31mAre you sure?\033[0m (y/n) \n"

		read confirmm

		if [ $confirmm = "n" ]

		then

		echo -ne "No changes made to file \033[1;34m${gfile}.\033[0m\nBye.\n"

		else

			exiv2 -M"del Iptc.Application2.FixtureId" modify $gfile

			echo -ne "FIXTURE IDENTIFICATION HAS BEEN REMOVED.\n"

			echo -ne "Please enter the word or phrase to replace '$fixold .'\n"

			read newstringhx 

			capnew="`echo ${newstringhx} | awk '{print toupper($0)}'`"

			exiv2 -M"add Iptc.Application2.FixtureId String $newstringhx" modify $gfile

			sleep 0.5

			filecapper="`echo ${gfile} | awk '{print toupper($0)}'`"

			echo -ne "FIXTURE IDENTIFICATION \"$capnew\" WRITTEN TO FILE ${filecapper}.\n"

			echo -ne "(Don't worry -- it was written the way you wrote it.)\n"

		fi

	fi

}

echo -ne "Fixture Identification Fixer for Exiv2 - FIFE\n"

echo -ne "Please enter the name of the file you want to modify.\n"

read 'gfile'

if [ -f $gfile ]

then

	runmyfile

else

	echo -e "Sorry, that file is not in this folder.\n"

	echo -e "Let me take another look.\n"

	maybe=(`find . -name "*$gfile*" | cut -d / -f2`)

	sleep 1.5

	echo -ne "Do you mean: $maybe ? (y/n) \n"

	#Using a variable one can be sure has no built-in value in BASH:

	read cheeseburger

	if [ ["$cheeseburger" == "n"] ]

	then

		echo -ne "\033[0;34mWell, I tried.\033[0m\n"

	else

		gfile=$maybe

		runmyfile

	fi

fi