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author | Aaron LI <aly@aaronly.me> | 2019-08-27 15:54:43 +0800 |
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committer | Aaron LI <aly@aaronly.me> | 2019-08-27 15:54:43 +0800 |
commit | 1b2c8eb3b653ecc05e332be16a79e740cd679a9f (patch) | |
tree | 6469eb638ce77829075150edfe167c6e3df395f0 /cli/unzip-gbk.sh | |
parent | 3fa1adf05c7b93114519062721fde6fe860ec5cb (diff) | |
download | atoolbox-1b2c8eb3b653ecc05e332be16a79e740cd679a9f.tar.bz2 |
cli/unzip-gbk: Rewrite in shell and use bsdtar/7z
* Rewrite in shell instead of using the deprecated Python 2.
* Use bsdtar/7z to extract zip to preserve the filename encoding;
these tools also support encrypted zip archives.
* Use iconv to convert the filename encoding.
Diffstat (limited to 'cli/unzip-gbk.sh')
-rwxr-xr-x | cli/unzip-gbk.sh | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/cli/unzip-gbk.sh b/cli/unzip-gbk.sh new file mode 100755 index 0000000..53c7b57 --- /dev/null +++ b/cli/unzip-gbk.sh @@ -0,0 +1,55 @@ +#!/bin/sh +# +# Extract a zip archive and fix Chinese filenames. +# +# Credit: https://superuser.com/a/872616 +# + +has() { + type "$1" >/dev/null 2>&1 +} + +extract() { + if has bsdtar; then + # bsdtar provided by libarchive + bsdtar -xvf "$1" + elif has 7z; then + # 7z provided by p7zip + env LC_ALL=C 7z x "$1" + else + echo "ERROR: Neither bsdtar nor 7z found" >&2 + exit 1 + fi +} + +fixnames() { + find . -depth | while read -r p; do + dn=$(dirname "${p}") + fn=$(basename "${p}") + fn2=$(echo "${fn}" | iconv -f gbk -t utf-8) + if [ "${fn}" != "${fn2}" ]; then + mv -v "${dn}/${fn}" "${dn}/${fn2}" + fi + done +} + +case $1 in +'' | -h | --help) + echo "usage: ${0##*/} <zip>" + exit 1 + ;; +esac + +zipfile=$(realpath "$1") +curdir=$(pwd) +tmpdir=$(mktemp -d) +cd "${tmpdir}" + +echo "Extracting archive '${zipfile}' ..." +extract "${zipfile}" +echo "Fixing filenames ..." +fixnames + +cd "${curdir}" +mv "${tmpdir}"/* . +rmdir "${tmpdir}" |