Linux Tutorials

Methods to Depend Phrase Occurrences in a Textual content File

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Could 22, 2019

Graphical Consumer Interface phrase processors and note-taking functions have data or element indicators for doc particulars such because the depend of pages, phrases, and characters, a headings checklist in phrase processors, a desk of content material in some markdown editors, and so on. and discovering the incidence of phrases or phrases are as simple as hitting Ctrl + F and typing within the characters you wish to seek for.

A GUI does make the whole lot simple however what occurs when you’ll be able to solely work from the command line and also you wish to test the variety of instances a phrase, phrase, or character happens in a textual content file? It’s virtually as simple as it’s when utilizing a GUI so long as you’ve obtained the correct command and I’m about to relate to you the way it’s achieved.

Suppose you may have an instance.txt file containing the sentences:

Praesent in mauris eu tortor porttitor accumsan. Mauris suscipit, ligula sit amet pharetra semper,
nibh ante cursus purus, vel sagittis velit mauris vel metus enean fermentum risus.

You should use grep command to depend the variety of instances “mauris” seems within the file as proven.

$ grep -o -i mauris instance.txt | wc -l

Count Word Occurrence in Linux FileCount Word Occurrence in Linux File

Depend Phrase Incidence in Linux File

Utilizing grep -c alone will depend the variety of strains that include the matching phrase as a substitute of the variety of complete matches. The -o possibility is what tells grep to output every match in a novel line after which wc -l tells wc to depend the variety of strains. That is how the overall variety of matching phrases is deduced.

A special method is to rework the content material of the enter file with tr command so that each one phrases are in a single line after which use grep -c to depend that match depend.

$ tr ‘[:space:]’ ‘[n*]’ < instance.txt | grep -i -c mauris

Count Occurrences of Word in FileCount Occurrences of Word in File

Depend Occurrences of Phrase in File

Is that this how you’ll test phrase incidence out of your terminal? Share your expertise with us and tell us if you happen to’ve obtained one other method of undertaking the duty.

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