Use Select-String to find the string in file or variable similar to the grep command in UNIX and findstr in windows. I hope the above article using the Select-String to search string in file and variable is helpful to you. PowerShell Tip: PowerShell Select-String Ignore Case search and CaseSensitive Search! Conclusion Select-String uses the Pattern parameter to specify the input string to search in variable and returns the output as follows: $mysqlInfo |Out-String -Stream | Select-String -Pattern 'datadir' It formatted the string objects into multiple single-line string objects. In the above PowerShell script, the $mysqlInfo variable input pipes to the Out-String -Stream. $mysqlInfo |Out-String -Stream | Select-String -Pattern 'datadir' Use the Select-String to specify the pattern to find the string in the variable. Let’s consider an example where hash contains the below key-value data pair and is stored in the $mysqlInfo variable. Using the Select-String in PowerShell, you can search string in the hash variable. Get-Content search string in object Search String in Hash variable The output of the above script to search string in string object is: It uses the Pattern parameter to find the string in the string object. It pipes the content of the string object to the Select-String command. The Get-Content reads the content of the file my.ini specified by the Path parameter. Get-Content -Path C:\Windows\my.ini | Select-String -Pattern "basedir*" Use the Get-Content to search for a string in the file using the following command. It reads the content of the file and returns the string object. The Get-Content gets the content of the file specified by the path parameter. PowerShell Tip: How to find the file last modified date using PowerShell! Search for String in File Using Get-Content It finds the string in the file and prints its filename, line number, and line containing the text. Select-String displays the output on the console. The output of the script to grep a text file is: PS C:\> Select-String -Path D:\PowerShell\*.* -Pattern 'Get-'ĭ:\PowerShell\GetFileProperties-Assignment.txt:1:Get-ChildItem -File | Select name,CreationTimeĭ:\PowerShell\print-spooler-service-Test.ps1:1:$PrintSpooler = Get-Service -Name Spoolerĭ:\PowerShell\print-spooler-service.ps1:1:$PrintSpooler = Get-Service -Name Spooler In the above PowerShell script, Select-String uses Pattern ‘Get-‘ to search string in the file specified by the Path parameter. Select-String -Path D:\PowerShell\*.* -Pattern 'Get-' ![]() It uses regular expression matching to search for patterns in the file. Use Select-String in PowerShell to find a string in the file. Without this option if the search string contains multiple words, separated with spaces, then findstr will return lines that contain either word (OR).PowerShell search string in the file PowerShell find string in file Options used by the findstr command in the example above: Option PS C:\> Select-String " ^SEARCH.*STRING$" file.txt Grep a file for a pattern that matches a regular expression (case insensitive): # Windows CMDĬ:\> findstr /i /r /c:" ^SEARCH.*STRING$" file.txt ![]() PS C:\> Get-Alias | Out-String -Stream | Select-String "curl" ![]() If a command in PowerShell returns some objects, before parsing, they should be converted to strings using the Out-String -Stream command: # Windows CMD PS C:\> netstat -na | Select-String " PORT" Grep the output of a netstat command for a specific port: # Windows CMD In a Windows PowerShell the alternative for grep is the Select-String command.īelow you will find some examples of how to “grep” in Windows using these alternatives.Ĭool Tip: Windows touch command equivalent in CMD and PowerShell! Read more → Grep Command in Windows ![]() The findstr command is a Windows grep equivalent in a Windows command-line prompt (CMD). The grep command in Linux is widely used for parsing files and searching for useful data in the outputs of different commands.
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