Use wc on all subdirectories to count the sum of lines

linux bash text-files console-application

You probably want this:

find . -type f -print0 | wc -l --files0-from=-

If you only want the total number of lines, you could use

find . -type f -exec cat {} + | wc -l

linux bash text-files console-application

Perhaps you are looking for exec option of find.

find . -type f -exec wc -l {} \; | awk '{total += $1} END {print total}'

linux bash text-files console-application

To count all lines for specific file extension u can use ,

find . -name '*.fileextension' | xargs wc -l

if you want it on two or more different types of files u can put -o option

find . -name '*.fileextension1' -o -name '*.fileextension2' | xargs wc -l

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