字符串之间的Bash比较-相等但不相等 [英] Bash comparison between strings - equal but not equal for it

问题描述

我只是想在Bash中的2个字符串之间做一个非常简单的比较:

I just wanted to do a really simple comparison between 2 strings in Bash :

stat=`curl -Is $url | head -n 1` 
echo $stat
if [ "$stat" = "HTTP/1.1 200 OK" ];then
    echo "$symbol is OK"
    echo $stat
    valide=$(( $valide + 1 ))
else
    echo "$symbol is 404"
    echo $stat
    err=$(( $err + 1 ))
fi

但是即使"stat"完全相同，结果仍然是不相等的:

But even if "stat" is completely the same, the result stay that it does not equal :

HTTP/1.1 200 OK
AAA is 404
HTTP/1.1 200 OK

我如何修改我的代码?

在到达此代码示例之前，字符串中的"/"(意外的运算符"，...)也存在很多错误，我尝试了许多不同的方法，例如包含("200" )，结果相同.

I had also a lot of errors with "/" ("unexpected operator", ...) in the string before arrive to this code sample, and i tried many different approaches like contains ("200") with the same result.

提前谢谢！

推荐答案

curl输出在行尾包含 CR ，您需要将其删除.

The curl output includes a CR at the end of the lines, you need to remove it.

stat=`curl -Is $url | head -n 1 | tr -d '\r'` 

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