![]() ![]() is there a Powershelll equivalent to grep usable in a pipe context, not just in the context of file searches, which select-string seems to cover well. PowerShell says 'execution of scripts is disabled. How do I return only the matching regular expression when I select-string(grep) in PowerShell Related. There are multiple ways to create a multiline string in PowerShell: You can. But what if I want a quick and dirty filter a la grep? And especially, without knowing about the attributes of what's coming in from the pipe. How to grep for a pattern matching from a text file I have a string like below. ![]() I know I could use the following, and it is actually a better match if I filter only on the environment variable's name. get-childitem env: | out-string | select-string -Pattern wdĪnd this gets me nothing: get-childitem env: | select-string -Pattern "wd" This doesn't filter anything, I get all environment variables. Now, in Powershell, I know I could do get-childitem env:wd*īut I want to pipe to select-string as a more generic approach, in order to filter what's coming in from its pipe, no matter what is to the left of the pipe. ![]() grep is a powerful text searching utility on Linux, but it isn't available on Windows. An easier way is to use Get-Content, this converts a file to an array of strings. It will not work in your case because you want to search for the line separator. You could use Select-String to find patterns in a group of files, however this will only search for the pattern within each line of text. If you'd like to use it at the command line, you can also alias it to 'grep' for quick access. For some reason -pattern '\t' returned files. In bash, if I do the following, I will get all the environment variables with wd in them. Select-String -Path '.\foo.txt' -Pattern ba. ![]()
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