#!/bin/bash
# wants 'export el' in .bashrc 

function help {
 echo "$1 v0.3: find/edit files in basedir matching all args"
 echo "use: $1 [-h][-z][-a] [search terms]"
 echo "     -a include hidden files"
 echo "     -h help"
 echo "     -z show basedir (\$el, defaults to current dir if unset)"
}

[ -n "$el" ] && {
 [ -d $el ] || exit 1
 cd $el
}

case $1 in 
 -a)o=A; shift;;
 -h)help $(basename $0); exit;;
 -z)echo ${el:-$(pwd)}; exit;;
esac

[ $1 ] || {
 ls -p$o; exit
}

eval $(ls -p$o | awk -v z="$*" '
BEGIN { split(z,a," ") }
{ 
 t=1
 for( x in a ) if( $0 !~ a[x] ) t=0
 if( t ) {
  if( $0 !~ /\/$/ ) b[++i] = $0
  c[++j] = $0
 }
}
END {
 if( i == 1 ) { 
  print "$EDITOR \"" b[1] "\";exit"
 } else for(k=1;k<=j;k++) print "matches[" k "]=\"" c[k] "\";"
}')

echo " 0) $*"
while [[ $i -lt ${#matches[@]} ]];do i=$(($i+1));echo " $i) ${matches[$i]}";done
read -e -p " $el$ "

[ "$REPLY" == "0" ] && {
 $EDITOR "$*"; exit
}
[ -n "$(echo $REPLY | awk '/^[1-9]/')" ] && [ -n "${matches[$REPLY]}" ] && {
 $EDITOR "${matches[$REPLY]}"; exit
}
[ ${#REPLY} -ne 0 ] && $EDITOR "$REPLY"