md5sum命令用于生成和校验文件的md5值。它会逐位对文件的内容进行校验,它是常用与检查文件的完整性。
读取文件的MD5值
[[email protected] ~]# md5sum /usr/local/sbin/* >>file.md5 [[email protected] ~]# cat file.md5 74fd7e1f2730b5f8353d7a5f417747ef /usr/local/sbin/demo.sh 8bd8f8743b02a33882bca8fcb2234261 /usr/local/sbin/array.sh d7e30c2d897f0fdd9b157e9a5e9fbfbc /usr/local/sbin/debug.sh
检查文件是否完整
[[email protected] ~]# md5sum -c file.md5 /usr/local/sbin/array.sh: OK /usr/local/sbin/debug.sh: OK /usr/local/sbin/demo.sh: OK[[email protected] ~]# echo $?0
测试改变一个文件
[[email protected] ~]# md5sum -c file.md5 /usr/local/sbin/array.sh: OK /usr/local/sbin/debug.sh: OK /usr/local/sbin/demo.sh: FAILED md5sum: WARNING: 1 of 3 computed checksums did NOT match [[email protected] ~]# echo $? 1
时间: 2024-08-09 13:37:24