#!/bin/sh

# Find the line with exec, if there's multiple lines
# use the last one
exec_line=$(grep '^Exec' "$1" | tail -1)
# Remove 'Exec' and arguments (%u, %f, ...)
cmd=$(echo $exec_line | sed 's/^Exec=//' | sed 's/%.//')
# Remove "" around command (if present)
cmd=$(echo $cmd | sed 's/^"//g' | sed 's/" *$//g')
# Run the exec line of the application in the background
$($cmd) &