#! /bin/bash

# read.sh

# various flavours of "read"
# and a little output magic

FILE=""
echo
# interactive read from STDIN
while [ ! -f "$FILE" ];
	do
	echo -n "Enter File to read: "
	read FILE
done
echo	
# batch read from file
if [ -r $FILE ]; then
	while read INP 
	do
		echo $INP
	done < $FILE

else	echo "$FILE is not readable"

fi

echo
# read multiple variables
echo -n "Enter 4 words please, master: "
read ARG1 ARG2 ARG3
echo "ARG1: $ARG1; ARG2: $ARG2; ARG3: $ARG3"

echo

# batch read from file in multiple variables

if [ -r $FILE ]; then
	while read INP1 INP2 INP3 INP4 
	do
		echo "1. $INP1 2. $INP2 3. $INP3 4. $INP4"
	done < $FILE 





	
	echo
	echo -n "Und jetzt das ganze in Farbe!"
	echo
	read FF
	while read INP1 INP2 INP3 INP4 
	do
		echo -e "\33[31m1.\33[m\33[5G$INP1\33[15G\33[32m2.\33[m\33[20G$INP2\33[30G\33[33m3.\33[m\33[35G$INP3\33[45G\33[1m4.\33[50G\33[34m$INP4\33[m"
	done < $FILE

else	exit	# if file not readable

fi
	echo