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Linux - How to count total number of occurrences of a string in a file?


The following command counts and displays the total number of occurrences of teh string 'string' in the file 'filename'.

grep -o 'string' filename | wc -l


The above command will count even the sub-strings. If you would like to count only full words then you can also use the following command.

grep -o '\bstring\B' filename | wc -l



Author: Oxygen
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