我知道這個問題已經(jīng)得到很好的回答，但這是“ $ @” $ @“ $ *”和$ *之間的比較

測試腳本的內(nèi)容：

# cat ./test.sh

#!/usr/bin/env bash

echo "================================="

echo "Quoted DOLLAR-AT"

for ARG in "$@"; do

echo $ARG

done

echo "================================="

echo "NOT Quoted DOLLAR-AT"

for ARG in $@; do

echo $ARG

done

echo "================================="

echo "Quoted DOLLAR-STAR"

for ARG in "$*"; do

echo $ARG

done

echo "================================="

echo "NOT Quoted DOLLAR-STAR"

for ARG in $*; do

echo $ARG

done

echo "================================="

現(xiàn)在，使用各種參數(shù)運行測試腳本：

# ./test.sh? "arg with space one" "arg2" arg3

=================================

Quoted DOLLAR-AT

arg with space one

arg2

arg3

=================================

NOT Quoted DOLLAR-AT

arg

with

space

one

arg2

arg3

=================================

Quoted DOLLAR-STAR

arg with space one arg2 arg3

=================================

NOT Quoted DOLLAR-STAR

arg

with

space

one

arg2

arg3

=================================

總結(jié)

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