File: compare

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bzip2 1.0.8-6
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#!/bin/sh
set -C -e -f -u
cd "$AUTOPKGTEST_TMP"

export LANG=C

# compare a compressed file against the original file
printf "aaaa" > a
bzip2 --keep a
bzdiff a.bz2

# compare two identical files
cp a a2
bzip2 --keep a2
bzdiff a.bz2 a2.bz2

# compare two different compressed files
printf "bbbb" > b
bzip2 --keep b

expected=$(diff a b || true)

r=$(bzdiff a.bz2 b.bz2 || true)
if [ "$r" != "$expected" ] ; then
    false
fi