download script, review, and run

wrun

#!/bin/bash
 
if [ "$1" == "" ] || [ "$1" == "-h" ] || [ "$1" == "--help" ] ; then
  echo "USAGE: wrun [-e] URL"
  echo "  Download file from URL, cat it and optionaly run."
  echo ""
  echo "  Options:"
  echo "    -e - run editor after download"
  echo ""
  echo "  Configuration is readed from ~/.wrun."
  echo "  Configuration variables:"
  echo "    SHOWCMD - command to run after download file (default $PAGER, cat)"
  echo "    EDITCMD - command to run after download file with -e option (default $EDITOR, editor)"
  exit 1
fi

SHOWCMD=$PAGER
if [ "$SHOWCMD" == "" ] ; then
  SHOWCMD=cat
fi
EDITCMD=$EDITOR
if [ "$EDITCMD" == "" ] ; then
  EDITCMD=editor
fi

if [ -e ~/.wrun ] ; then
  . ~/.wrun
fi

if [ "$1" == "-e" ] ; then
  SHOWCMD=$EDITCMD
  shift
fi

TMPNAME=$(mktemp)
 
wget -c -O $TMPNAME "$1"
 
echo "----------------------------------------"
$SHOWCMD $TMPNAME
echo ""
echo "----------------------------------------"
 
read -p "Run? [Y/n]: "
if [ "$REPLY" == "y" ] ||  [ "$REPLY" == "" ] ; then
  chmod +x $TMPNAME
  $TMPNAME
fi
 
rm $TMPNAME

sudo wget -O /usr/local/bin/wrun 'https://gist.github.com/orgoj/5326037/raw/' && sudo chmod +x /usr/local/bin/wrun

um wget install bin/wrun "https://gist.github.com/orgoj/5326037/raw/"