chatGPT_dev.sh

#!/usr/bin/env bash

# 定義 hello 函數
hello() {
    # 輸出 "hello"
    echo "hello"
}

# 定義 hello2 函數
hello2() {
    # 輸出 "hello2"
    echo "hello2"
}

# 定義 hi 函數，可以接收參數
hi() {
    # 輸出傳入的參數
    echo "hello $1"
}

# 檢查是否有提供參數
if [[ $# -ge 2 ]]; then
    # 判斷輸入的參數是不是已定義的函數名稱
    if [[ $(declare -f -F "$1") ]]; then
        # 呼叫指定的函數並傳入第二個參數以後的參數
        "$@"
    else
        # 輸出所有函數的名稱與註解
        while IFS= read -r line; do
            if [[ $line =~ ^# ]]; then
                comment=$(echo "$line" | sed 's/# *//')
                read -r next_line
                if [[ $next_line =~ ^[a-zA-Z0-9_]+\(\) ]]; then
                    name=$(echo "$next_line" | awk '{ print $1 }' | sed 's/()//')
                    printf "%-10s\t%s\n" "$name" "$comment"
                fi
            fi
        done < "$0" | sort -k2
    fi
else
    # 輸出所有函數的名稱與註解
    while IFS= read -r line; do
        if [[ $line =~ ^# ]]; then
            comment=$(echo "$line" | sed 's/# *//')
            read -r next_line
            if [[ $next_line =~ ^[a-zA-Z0-9_]+\(\) ]]; then
                name=$(echo "$next_line" | awk '{ print $1 }' | sed 's/()//')
                printf "%-10s\t%s\n" "$name" "$comment"
            fi
        fi
    done < "$0" | sort -k2
fi