![]() Now, you can use the powershell-grep function in your PowerShell sessions and scripts. Save the profile file and close the text editor.Add the powershell-grep function to the profile file by copying and pasting the function code into the file.Open the profile file in a text editor by running the following command:.New-Item -ItemType File -Path $profile.CurrentUserAllHosts -Force Therefore, useful or accepted answers there may not be useful here. PS: There are quite a few related questions for head and tail, but not focused on the issue of speed. I do not have -tail (and I do not know if it will work fast). The following example shows running the grep command in bash on Ubuntu Linux. You can use Select-String similar to grep. Usually you run the command exactly as you would in bash or cmd.exe. The Select-String cmdlet uses regular expression matching to search for text patterns in input strings and files. Any native command can be run from the PowerShell command line. ![]() If the file does not exist, create it by running the following command: It works well with traditional Unix text tools such as grep, sed, and awk, and the text processing performed by PowerShell. Solutions here Unix tail equivalent command in Windows Powershell did not work. In PowerShell, these commands are known as cmdlets (pronounced 'command-lets').Open PowerShell and run the following command to find the path of your profile file:.To use powershell-grep, you will need to add the function to your PowerShell profile file. The PowerShell-Grep function transforms the input into a string output and then searches for the user-defined pattern using the Select-String cmdlet. For example, the following command displays all lines containing ERROR in a text file or stdout: Select-String -Path c:tmpmakeappsxtracesxs.txt -Pattern 'ERROR'. Published: When it comes to searching command-line output or files from the terminal, theres no utility more venerable than grep. In PowerShell, you can use the Select-String cmdlet to find a text string in a file. In Powershell, how to read and get as fast as possible the last line (or all the lines) which contains a specific string in a huge text file (about 200000 lines / 30 MBytes) Im using : get-content myfile.txt select-string -pattern 'mystring' -encoding ASCII select -last 1 But its very very long (about 16-18 seconds). This function has been inspired by the Unix/Linux grep command, providing similar functionality within the PowerShell environment. Grep allows you to find/select any data in the output of another command: command grep search. PowerShell-Grep is a unique PowerShell function that allows users to search for a regular expression pattern in text input, all from the convenience of their pipeline. PowerShell-Grep: Unix/Linux Grep Functionality for Windows PowerShell
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