# Replace the old string with the new string in all file names in the directory and its subdirectories find ~/my_directory -depth -name "*old_string*" -execdir rename "s/old_string/new_string/" "{}" \; 在此示例中,我们使用了find命令查找所有包含旧字符串的文件,并使用rename命令替换文件...
BASH:replace text in files by sed #!/bin/sh TAG="aa:1234\/" DST="aa\/" for a in `find . -name '*.txt' -type f` do c=`cat ${a} | grep ${TAG}` reg=".*${TAG}.*" if [[ "${c}" =~ $reg ]] ; then cat ${a} | sed "s/${TAG}/${DST}/g" fi done...
–grep “keyword” file_name:在file_name中查找包含”keyword”的行。 11. find:根据特定条件查找文件。 –find /path/to/dir -name “file_name”:在指定目录中查找名为”file_name”的文件。 12. chmod:修改文件权限。 –chmod 777 file_name:将文件的权限设置为rwxrwxrwx。 13. chown:修改文件所有者。
有些爱学习的用户会去操弄linux软件程序,在操作linux的过程中,有时候要删除一个文件夹,往往会提示次...
awk 'NR%3==1' file # 从第一行开始,每隔三行打印一行 sed 's/find/replace/' file # 替换文件中首次出现的字符串并输出结果 sed -r 's/regex/replace/g' file # 替换文件中所有出现的字符串 sed -i 's/find/replace/g' file # 替换文件中所有出现的字符并且覆盖文件 ...
更改您的file2.sh:
在php中替换字符串我们都会使用到str_replace函数了,此函数还可以使用正则,下面小编来给大家介绍一下替换字符串中的一些字符或替换第一次出现的字符实例。...现在有个需求:字符串A与字符串B,字符串B中包含字符串A,利用字符串A将字符串B中的A替换成其他字符串或删除。...一、str_ireplace(find,replace,string,...
As a programmer, you might need to work with different types of files to store data temporarily or permanently, or you may need to replace part of the file or modify the content of the file. This tutorial will show you how to replace any string value fro
5. Find and Replace String Values inside Bash Shell Script Replace only first match ${string/pattern/replacement} It matches the pattern in the variable $string, and replace only the first match of the pattern with the replacement. $catfirstmatch.sh#! /bin/bash ...
If 0002.jpg already exists, Bash silently replaces it. That's great if it's what you intended, but not so wonderful if you didn't realize you were about to overwrite the old version.Fortunately, if you use the -i (for "interactive") flag, Bash warns you before deleting existing ...