Example Uses Of The Linux grep Command. The grep command is very powerful. You can use a multitude of pattern matching techniques to filter results. In this example, I will show you how to search for a string in a file using wildcards. Imagine you have a file called places with the following Scottish place names aberdeenaberystwythaberlourinverurieinvernessnewburghnew deernew gallowayglasgowedinburgh. If you want to find all the places with inver in the name use the following syntax grep inver places. The asterisk wildcard stands for 0 or many. Therefore if you have a place called inver or a place called inverness then both would be returned. Another wildcard you can use is the period. You can use this to match a single letter. The above command would find places called inverurie and inverary but wouldnt find invereerie because there can only be one wildcard between the two rs as denoted by the single period. The period wildcard is useful but it can cause problems if you have one as part of the text you are searching. For example look at this list of domain names. To find all the about. The above command would fall down if the list contained the following name in it everydaylinuxuser. Kingdom Hearts 358 2 Days Download English Rom. You could, therefore, try the following syntax grep bout. Grep is a commandline utility for searching plaintext data sets for lines that match a regular expression. Its name comes from the ed command grep globally. Id like to find all files that contain a certain string of text. How would you do that in the TerminalThis would work ok unless there was a domain with the following name aboutycom. To really search for the term about. The final wildcard to show you is the question mark which stands for zero or one character. For example grep The above command would return aberdeen, aberystwyth or even berwick. Grep Text In Files Windows' title='Grep Text In Files Windows' />TextPipe makes it fast and easy to convert, transform and repurpose data in text files, including. HTML, XML and other structured documents from the WWW. Installer Du Plancher Flottant Au Mur.