Bash shell中的雙引號與單引號用法示例

#!/bin/bash

fruit=apricot

area=beijing

#輸出為apriot\nbeijing

echo "$fruit\n$area"

#輸出為apriot\beijing

echo "$fruit\\$area"

#輸出為aprioteijing

echo -e "$fruit\\$area"

#輸出為apriot

#         beijing

echo -e "$fruit\n$area"

#輸出為$fruit\n$area

echo '$fruit\n$area'

#輸出為$fruit\\$area

echo '$fruit\\$area'

#輸出為$fruit\$area

echo $'$fruit\\$area'

#輸出為$fruit

#         $area

echo $'$fruit\n$area'