Chris@0: #!/bin/bash
Chris@0: filelist="$1"
Chris@0: common_st="`head -n 1 "$filelist"`"first
Chris@0: 
Chris@0: while read f; do
Chris@0: 	diff_pos=`./diff_position.sh "$common_st" "$f"`
Chris@0: 	last_same=$(( $diff_pos-1 ))
Chris@0: 	common_st="`echo "$common_st" | cut -c 1-$last_same`"
Chris@0: done < "$filelist"
Chris@0: echo "$common_st"