Question

shell中如何比较两字符串是否相等

Answer 1

#!/bin/bash

a="abc"
b="def"

if [ "$a" = "$b" ]
then
echo " a is same as b"
else
echo "a is different from b"
fi

Answer 2

#!/bin/bash
#filename is diffs.sh
if [ $# != 2 ];
then
echo "usage:./diffs.sh text1 text2"
elif [ $1 = $2 ];
then
echo " Text1 is same as Text2"
else
echo "Text1 is different from Text2"
fi

Answer 3

A="string1"
B="string2"
if [ $A = $B ]
then
echo "$A eq $B"
else
echo "$A ne $B"
fi

Answer 4

shell是什么意思？是c#语言吗？