#!/bin/bash
pname="$(basename "$0")"

if [ $# -ne 2 ] ; then
   printf '%s usage:\n' "$pname"
   printf '\t%s $file1 $file2\n' "$pname"
   exit 1
fi

left="$1"
right="$2"
preleft="/tmp/$$-left-$(basename "$left")"
preright="/tmp/$$-right-$(basename "$right")"

function preprocess(){
    local input="$1"
    local output="$2"
    tr '\012' ' ' < "$input" \
    | sed \
        -e 's/[\t ]\+/ /g' \
        -e 's/\([;{}]\)/\1\n/g' > "$output"
}

preprocess "$left" "$preleft"
preprocess "$right" "$preright"

diff -Naurtwb "$preleft" "$preright"
#### THE END ####