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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). This is particularly useful for matching path names that contain "/", to avoid LTS (leaning toothpick syndrome).The grep command in Linux is widely used for parsing files and searching for useful data in the outputs of different commands. you can use any pair of non-whitespace (ASCII) characters as delimiters. Just adding a point of interest - RonW and Athanasius explain how to avoid the Leaning toothpick syndrome, which is also mentioned in perlop: When a test fails because it couldn't create a temp file in a non existent temp directory. Since you were looking for something equivalent to grep, perhaps you'd be interested in ack.įew weeks ago I could not install ack 2, for the same purpose as OP, due to problem with Find::Next. Reinvent the wheel, then learn The Wheel may be one day you reinvent one of THE WHEELS.īy clueless newbie (Curate) on at 00:53 UTC So two consecutive backslashes represent an actual (single!) backslash character.Īnd of course the /g modifier on the regex causes the substitution to be made globally throughout the string. The backslash is doubled because a single backslash introduces an escape sequence - see perlop#Quote-and-Quote-like-Operators. It’s normally written s///, but since the string to be substituted is itself a forward slash, a different delimiter has been chosen: a, (comma). Here, s introduces the substitution operator.

It’s replacing / (forward slash) with \\ (backslash) throughout the string $file. An equivalent statement would be: $file =~ s/\//\\/g īy Athanasius (Archbishop) on at 03:05 UTCįleshing out RonW’s answer a little: My question is what this line is doing: The g causes the replacement to apply to all occurrences.Ĭommas were used as the delimiters to avoid escaping the / character.

It is replacing / characters with \ characters in $file.