pandoc/tools/diff-zip.sh
John MacFarlane 83a0104d5b Improve diff-docx.sh -> diff-zip.sh.
It now can be used on odts, docx, or epubs.
2019-07-10 20:53:40 -07:00

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#!/bin/sh
# This script allows you to compare two epub, odt, or docx
# containers, ignoring insignificant formatting differences
# in the XML contents.
f1="$1"
f2="$2"
test -f "$f1" -a -f "$f2" || {
echo "Usage: diff-zip firstfile secondfile" && exit 1
}
WORKDIR=$(mktemp -d -t diff-zip)
trap "{ rm -r $WORKDIR; }" EXIT
unzip -q -d "$WORKDIR/a" "$f1"
unzip -q -d "$WORKDIR/b" "$f2"
cd "$WORKDIR"
mkdir tidy
for x in a b; do
cp -r $x tidy/
find -E $x -iregex '.*\.(xhtml|xml|rdf|rels)' -exec sh -c 'mkdir -p "$(dirname tidy/$1)" && tidy -q -xml -utf8 -i "$1" > "tidy/$1"' _ {} \;
done
cd tidy
mkdir c
cp -r a/* c/
cp -r b/* c/
find c -type f -exec sh -c 'echo "\033[1m=== ${1#*/} ===\033[0m" ; diff -u "a/${1#*/}" "b/${1#*/}" 2>&1' _ {} \;