![]() ![]() This will search for the string 'windows' in all files relative to the current directory and replace 'windows' with 'linux' for each occurrence of the string in each file.Īny comments / suggestions for improvement are much welcomed. Not that great of an example (you could just search files for that phone number instead of the string 'phonenumber'), but your imagination is probably better than mine.Įxample grep -rl 'windows'. For example, maybe you have a lot of files and only want to only replace on files that have the matchstring of 'phonenumber' in them, and then replace '555-5555' with '555-1337'. There may be times when you want to use grep to find only files that have some matchstring and then replace on a different string in the file than matchstring. Exploring the Select-String Cmdlet Select-String (our PowerShell grep) works on lines of text and by default will looks for the first match in each line and then displays the file name, line number, and the text within the matched line. String2 is the string that replace string1. String1 would ideally be the same string as matchstring, as the matchstring in the grep command will pipe only files with matchstring in them to sed. For example, the following would search all files in the current directory and in all of its. Matchstring is the string you want to match, e.g., "football" greps search area can be broadened even further by using its -r option to search recursively through an entire directory tree (i.e., a directory and all levels of subdirectories within it) rather than just the files within a specified directory. The pipe delimiter might be useful when searching through a lot of html files if you didn't want to escape the forward slash, for instance. Note: The forward slash '/' delimiter in the sed argument could also be a different delimiter (such as the pipe '|' character). ![]()
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