#!/bin/bash

# Get the directory of this script (also works with symlinks)
# http://stackoverflow.com/questions/59895/can-a-bash-script-tell-what-directory-its-stored-in
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
	DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
	SOURCE="$(readlink "$SOURCE")"
	[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

inputfile="$1"
if [ ! -f "$inputfile" ]; then
	echo "ERROR: file '$inputfile' does not exist." 1>&2
fi
shift

category=$( echo $@ )
if [[ "$category" == "" ]]; then
	echo "Syntax: $0 <inputfile> <category>" 1>&2
	exit 2
fi
shift

# Process
cat "$inputfile" | "$DIR"/app "$category"