递归列出jar文件内容便于查找Class

main.sh

#!/bin/bash
# usage: bash this.sh path

# $1: path, parsed
jarList() {
    path=$1
    if [ -d "$path" ]; then
        cd "$path" || exit #https://github.com/koalaman/shellcheck/wiki/SC2045
        for sub in *; do
            if [ "/" = "$1" ]; then
                jarList "/$sub"
            else
                jarList "$1/$sub"
            fi
        done
    elif [ -f "$path" ]; then
        if [ "." != "${path%%_*}" ] && [ "jar" = "${path##*.}" ]; then
            echo -e "\nJAR: $path"
            jar -tf "$path"
        fi
    else
        echo "type unimplement, file: [$path]"
        return 1
    fi
}

path=$1
if [ -d "$path" ]; then
    path=$(cd "$path" && pwd)
    dirname=$(dirname "$path")
    basename=$(basename "$path")
    if [ "/" = "$basename" ]; then
        basename=""
    fi
elif [ -f "$path" ]; then
    dirname=$(cd "$(dirname "$path")" && pwd)
    basename=$(basename "$path")
else
    echo "type unimplement, file: [$path]"
    exit 1
fi
if [ "/" = "$dirname" ]; then
    dirname=""
fi
jarList "$dirname/$basename"