sed -i 's|/bin/bash|/usr/bin/zsh|g' file.txtCopy 123 Foo foo foo foo /usr/bin/zsh Ubuntu foobar 456 Copy You can also use regular expressions. For example, to search all 3 digit numbers and replace them with the string number you would use: sed -i 's/\b[0-9]\{3\}\b/nu...
Question: I have a text file in which I want to change multiple lines of text to something else, but without using a text editor. Is there a way to find and replace a multi-line string pattern from the Linux command line?Suppose you have a text file that looks like the following....
- 【重要】Replace the first occurrence of a string in a file, and print the result: sed 's/find/replace/' filename - 【重要】Replace all occurrences of an extended regular expression in a file: sed -E 's/regular_expression/replace/g' filename - 【重要】Replace all occurrences of a s...
_r1="/nfs/apache/logs/rawlogs/access.log" ## Escape path for sed using bash find and replace _r1="${_r1//\//\\/}" # replace __DOMAIN_LOG_FILE__ in our sample.awstats.conf sed -e"s/__DOMAIN_LOG_FILE__/${_r1}/"/nfs/conf/awstats/sample.awstats.conf > /nfs/apache/logs/a...
sed replace word / string syntax The syntax is as follows: sed -i 's/old-word/new-word/g' *.txt 1. GNU sed command can edit files in place (makes backup if extension supplied) using the -i option. If you are using an old UNIX sed command version try the following syntax: ...
replace=${str//World/Universe} echo “Replacement: $replace” “` 6. 字符串拼接 使用`${array[@]}`将数组元素拼接成一个字符串。 “` array=(“Hello” “World”) joinedStr=$(IFS=,; echo “${array[*]}”) echo “Joined String: $joinedStr” ...
单个文件替换效果如下 [root@sggp ascii]# sh asciiReplaceScriptSimple.sh xiaoxu.sh 参数说明 此脚本会替换文件中的特殊字符,第一个参数是带有特殊字符的文件 例如: sh asciiReplaceScriptSimple.sh asciiFile.log 转换开始... 转换结束... 脚本耗时:0s...
%s.bak' % file_name,'wb') #把替换内容写入新文件 for line in f.xreadlines(): new_file.write(line.replace(old_text #加上--bak就备份原文件 os.rename(file_name, '%s.bak' %file_name) #原文件备份为xx.bak os.rename('. %s.bak' %file_name , file_name) #替换的...
--- vi file --- :3,s//somestring/在文件的第一行至最后一行的行首插入“somestring”。−−−−:s//somestring/在文件的第一行至最后一行的行首插入“somestring”。−−−−:/some string/g 在整个文件每一行的行尾添加“some string”。 --...
文件asciiReplaceScriptSimple.sh 替换结束,耗时:0s 文件 asciiTest1.log 替换开始...文件 asciiTest1.log 替换结束,耗时:0s 文件 asciiTest2.log 替换开始...文件 asciiTest2.log 替换结束,耗时:0s 文件 asciiTest.log 替换开始...文件 asciiTest.log 替换结束,耗时:0s 文件 xiaoxu.sh 替换开始...文件...