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If you’re looking for some tricks to using grep to match (or not match!) strings, then you should check out this article over at The Geek Stuff. You can chain this with the pipe as many times as you need to.įinally, if you’re feeling really swish, then you might want to know how many matches there are rather than list the files: grep -l "COURSE: Course 1" * | xargs grep -l "COURSE: Course 2" | wc -l grep -l "COURSE: Course 1" * | xargs grep -l "COURSE: Course 2"īy piping the file names from the first result into the argument of the next grep – it was easy to find the files that had both courses booked. The courses aren’t on the same line so it’s not so straight forward but there’s a very simple way to find those pesky files. The problem I now had was that I wanted to know exactly how many had booked BOTH courses. I could then find out which ones were booking Course 2: grep -l "COURSE: Course 2" * After saving all of the files in a directory it was a case of running this command: grep -l "COURSE: Course 1" *
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Luckily, I know that the courses are prefixed with the word COURSE: and the names. One of the challenges that I recently faced was to list a bunch of text files only with a specific phrase.įor the sake of context, I was looking through emails of course bookings. I found the use of egrep String1String2String3 file.txt wc-l Now what Im really after is that. There can be two possible scenarios here. I need to grep multiple strings from a particular file.
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Grep multiple strings how to#
This tutorial explains how to search for matches of certain.
As an example, show full-configuration grep ‘Grep is most definitely not the most exciting tool to talk about. Grep for multiple patterns with recursive search. grep & grepl R Functions (3 Examples) Match One or Multiple Patterns in Character String. Solution, FortiGate CLI allows using the ‘grep’ command to filter specified output for specified strings.
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