比较在bash两个文件 [英] Compare two files in bash

问题描述

我有两个文件tmp1.txt和tmp2.txt
tmp1.txt有

I have two files tmp1.txt and tmp2.txt tmp1.txt has

aaa.txt
bbb.txt
ccc.txt
ddd.txt

tmp2.txt有

tmp2.txt has

/tmp/test1/aaa.txt
/tmp/test1/aac.txt
/tmp/test2/bbb.txt
/tmp/test1/ccc.txt

我要检查是否存在tmp2.txt在tmp1.txt文件，如果存在显示它，使其显示类似这样的东西哪一个

I want to check if the files in tmp1.txt exists in tmp2.txt and if it exists display which one it has so it displays something similar to this

aaa.txt: test1
bbb.txt: test2
ccc.txt: test1

感谢

推荐答案

使用 AWK ：

awk -F/ 'FNR==NR {a[$1];next} $NF in a {print $NF ": " $(NF-1)}' tmp1.txt tmp2.txt
aaa.txt: test1
bbb.txt: test2
ccc.txt: test1

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