Test命令--字符串测试

1、判断字符串是否相等

char1=‘1ruk‘

char2=‘ldjsll‘

if test $char1 = $char2/; then echo ‘char1等于char2‘; else echo ‘char1不等于char2‘; fi

2、判断字符串是否不等

char1=‘1ruk‘

char2=‘ldjsll‘

if test  $char1 != $char2

then

    echo ‘char1不等于char2!‘

else

    char1等于char2!‘

fi

3、判断字符串长度是否为0

num1="ru1noob"

if test -z $num1

then

    echo ‘num1长度为0!‘

else

    echo ‘num1长度不为0!‘

fi

4、判断字符串长度不为0

num1="ru1noob"

if test -n $num1

then

    echo ‘num1长度不为0!‘

else

    echo ‘num1长度为0!‘

fi

Test命令--字符串测试

原文：https://www.cnblogs.com/xxeleanor/p/13751392.html