# !/bin/bash
# This utility pre-allocs a file and adds execution permissions. It also
# removes the resulting file if it is empty after the editor closes.

if [[ -z $1 ]];
then
  echo "No filename specified."
  exit 2
fi

if [[ -z "${EDITOR}" ]];
then
  ched "EDITOR env variable not set! You will have to set it yourself in the next screen."
fi

exists=$(file "$1" >/dev/null && echo $?)

touch "$1"
chmod +x "$1" 
$EDITOR "$1"
wait $!
SIZE=$(du "$1" | cut -f 1)

if [[ $SIZE -eq 0 && $exists -ne 0 ]];
then
  rm -rf "$1"
fi