:   HINT
H='
=========
exl pattern file(s)
=========
calls vi for all files having pattern.
=========
'
case $1 in
	-x)				shift;set -x;;
    -h|help|hint)   clear;echo "$H";exit 0;;
esac
F=`egrep -l "$@"`
case $F in
    "")     echo "no match $1";exit 1;;
    *)      echo "/$1/" > exlp.tmp;;
esac
vi "+/$1/" $F