#!/bin/bash
#Join files $1 and $2, line by line (number of lines should be identical)
f1=$1
f2=$2
lines1=`wc $f1 | awk '{print $1}'`
lines2=`wc $f2 | awk '{print $1}'`
if [ $lines1 == $lines2 ]; then
	for i in `seq 1 $lines1`; do
		line1=`head -n $i $f1 | tail -1`
		line2=`head -n $i $f2 | tail -1`
		echo $line1 $line2
	done
else
	echo Error: $f1 has $lines1 lines, but $f2 has $lines2 lines
fi
