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Top Forums Shell Programming and Scripting Counting lines of code in a directory with awk Post 302442555 by KenJackson on Wednesday 4th of August 2010 05:48:08 PM
Old 08-04-2010
Counting lines of code in a directory with awk

I've never toyed with awk, but it seems every time I present an elegant 2- to 8-line script, someone comes back with an awk 1-liner.

I just came up with this to count all the lines of source code in a directory. How would I do it in awk?
Code:
LINES=0
for n in $(wc -l *.cpp *.h | cut -b-7); do
    ((LINES += n))
done
echo $LINES

 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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