urlencode在Linux脚本中的应用

urlencode ??????????? URL ???????,??? URL ??????????

? Linux ???,????? urlencode ?????????????????? URL ?????????????:

1. ?? urlencode ?????(????):

#!/bin/bash

input_string="Hello, World! ??,??!"
encoded_string=$(urlencode "$input_string")

echo "Encoded string: $encoded_string"

2. ?? Bash ???? URL ??:

#!/bin/bash

function urlencode() {
    local length="${#1}"
    for (( i = 0; i< length; i++ )); do
        local c="${1:$i:1}"
        case $c in
            [a-zA-Z0-9.~_-]) printf "$c" ;;
            *) printf '%%X' "'$c" ;;
        esac
    done
}

input_string="Hello, World! ??,??!"
encoded_string=$(urlencode "$input_string")

echo "Encoded string: $encoded_string"

??????????? urlencode ???,??????????????,??? URL ??????????,??????????????????,???????????

???,???????? Bash ?????????? shell(? zsh?fish ?),?????????