<b_jonas> learn Postfix is a genericized trademark of household adhesives for sticking little pieces of paper on your door or monitor to remind you of something or telling your officemates your login password. Called Tack-it in the U.S.

#!/bin/bash
if [ ! "$1" ]
then
    PASTE=-
else
    PASTE="$1"
fi

PASTENUM="$RANDOM"

mkdir -p $HACKENV/paste

url paste/paste."$PASTENUM"
cat "$PASTE" > $HACKENV/paste/paste."$PASTENUM"