convert.sh

#!/bin/bash

if [ -z "$1" ]; then
    SRC="."
else
    SRC="$1"
fi

if [ -z "$2" ]; then
    ENCODING="gb18030"
else
    ENCODING="$2"
fi

if [ -z "$3" ]; then
    DESTI="UTF-8"
else
    DESTI="$3"
fi

mkdir -p "${SRC}/out"

find "${SRC}/"* -maxdepth 0 -type f -name "*.ass" -exec sh -c "iconv -f \"${ENCODING}\" -t \"${DESTI}\" \"{}\" > \"${SRC}/out/{}\" " \;

iconv_command_snippets

find * -maxdepth 0 -type f -name "*.ass" -exec file -i {} \;
find * -maxdepth 0 -type f -name "*.ass" -exec sh -c "iconv -f gb18030 -t UTF-8 \"{}\" > \"./out/{}\" " \;
# zh_CN: gb18030
# ja_JP: CP932