Add script to unpack archives containing SHIFT_JIS filenames

master
Taeyeon Mori 9 years ago
parent aa3326e000
commit 98f6e01dee
  1. 83
      bin/unpack_shift

@ -0,0 +1,83 @@
#!/bin/zsh -e
# (c) 2015 Taeyeon Mori
source "$DOTFILES/lib/libzsh-utils.zsh"
function usage {
echo "Usage: $1 [--help] [--notest] [7z options] <archive...> [destination]"
echo "unpack_shift (c) 2015 Taeyeon Mori"
echo
echo "Simple tool to unpack SHIFT-JIS encoded archives onto UTF-8 filesystems"
echo "Requires p7zip (the 7z command) and convmv to be available"
echo
echo "Positional Arguments:"
echo " archive The archive file (can be given multiple times)"
echo " destination The destination directory to unpack into"
echo
echo "Options:"
echo " --help Show this help message and exit"
echo " --test Do a test-run"
echo " -* Pass any other options to 7z"
exit $2
}
args=()
sevenzip_args=()
convmv_args=(-f shift-jis -t utf8)
test_run=false
for cx in "$@"; do
case "$cx" in
--help)
usage "$0" 0;;
--test)
test_run=true;;
-*)
sevenzip_args+=("$cx");;
*)
args+=("$cx");;
esac
done
last_arg_ix=$[${#args}] # NOTE: ZSH Arrays start at 1!
if [ $last_arg_ix -ge 1 ]; then
destination="${args[$last_arg_ix]}"
if [ ! -f "$destination" ]; then
args[$last_arg_ix]=()
else
destination="`pwd`"
fi
fi
if [ -z "$args" ]; then
usage "$0" 1
fi
$test_run || \
convmv_args+=("--notest")
destination="`realpath "$destination"`"
# Make temp dir to not impact other files
if [ -d "$destination" ]; then
tmp="`mktemp -dp "$destination" .unpack_shift_XXXX`"
else
tmp="`mktemp --tmpdir -d unpack_shift_XXXX`"
fi
cd "$tmp"
msg "Unpacking Archive(s)..."
for archive in "${args[@]}"; do
msg " Unpacking $archive"
LANG=ja_JP 7z x "${sevenzip_args[@]}" "$archive"
done
msg "Fixing Filename encodings..."
convmv "${convmv_args[@]}" -r *
# Clean up temporary dir
$test_run || \
mv * "$destination"
cd "$destination"
rm -rf "$tmp"
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