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How can I do a line count on all the PHP scripts within my webroot?

I am trying something like this below to no avail:

wc -l *.php
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Do you search the line count in summary or for each php file separately? –  user unknown Apr 4 '12 at 14:45
    
How is wc -l *.php not working? Do you need it recursive? –  Kevin Apr 4 '12 at 15:54
    
@Kevin Yes, it needed to be a recursive count. –  crmpicco Apr 4 '12 at 16:35

3 Answers 3

up vote 1 down vote accepted

You need to use either a shell whose wildcard expansion includes subdirectories, or to stack another tool for directory transversal, such as find:

find -name "*.php" | xargs wc -l

If, OTOH, your goal is to sum it all, join the code first:

find -name "*.php" | xargs cat | wc -l

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Hmm...both options give an error of "find: paths must precede expression" –  crmpicco Apr 4 '12 at 10:24
    
my bad, fixed to avoid wildcard expansion when there are *.php files in the current directory. –  njsg Apr 4 '12 at 10:25
    
Thanks - the second option is exactly what I was looking for. –  crmpicco Apr 4 '12 at 10:28
1  
Useless use of xargs. find -name "*.php" -exec cat {} + | wc -l –  user unknown Apr 4 '12 at 14:43
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Not white space safe, use -print0/-0 or -exec –  Kevin Apr 4 '12 at 16:49

With bash (only since version 4.0) you can do this:

shopt -s globstar
wc -l **/*.php

In zsh, you can always do wc -l **/*.php.

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I'm using Bash 3.2.25 and get the following error: "-bash: shopt: globstar: invalid shell option name" –  crmpicco Apr 4 '12 at 10:26

You need to enable bashs globstar option, so ** matches all files and subdirectories:

shopt -s globstar
wc -l **/*.php

There are also tools like cloc made for generating such statistics.

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Note: only bash 4+ –  Kevin Apr 4 '12 at 16:47

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