From 44cdee6d5887839a617726f21cf0e252c1e24166 Mon Sep 17 00:00:00 2001
From: Michiel Kalkman <michiel@nosuchtype.com>
Date: Mon, 5 Jan 2015 13:07:35 +0100
Subject: [PATCH] Add the number of authors and filetype to CSV

 * Add a function to report the number of unique authors per file
 * Add the number of authors and the filetype to the CSV output
---
 file_stats.sh | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/file_stats.sh b/file_stats.sh
index 01348a4..15f2c6d 100644
--- a/file_stats.sh
+++ b/file_stats.sh
@@ -14,29 +14,35 @@ function number_of_commits {
   git_history | wc -l
 }
  
+function number_of_authors {
+  git log $filename | grep "^Author:" | sort | uniq | wc -l
+}
+
 function legible_output {
   # $2:   filename
   # $1:   lines of code
   # $3:   number of commits
-  # $6:   month (first)
-  # $7:   date (first)
-  # $9:   year (first)
-  # $13:  month (last)
-  # $14:  date (last)
-  # $16:  year (last)
-  awk '{print $2 "," $1 "," $3 "," $6 " " $7 " " $9 "," $13 " " $14 " " $16}'
+  # $4:   number of authors
+  # $5:   filetype
+  # $8:   month (first)
+  # $9:   date (first)
+  # $11:  year (first)
+  # $15:  month (last)
+  # $16:  date (last)
+  # $18:  year (last)
+  awk '{print $2 "," $1 "," $3 "," $4 "," $5 "," $8 " " $9 " " $11 "," $15 " " $16 " " $18 }'
 }
 
 function csv_lines_for {
   for filename in $(find . -iname "*.$1"); do
-    echo "`wc -l $filename` `number_of_commits` `first_commit` `last_commit`" |
+    echo "`wc -l $filename` `number_of_commits` `number_of_authors` $1 `first_commit` `last_commit`" |
     legible_output |
     xargs echo
   done
 }
 
 function create_csv {
-  echo "filename,lines of code,number of commits,date of first commit,date of last commit"
+  echo "filename,lines of code,number of commits,number of authors,filetype,date of first commit,date of last commit"
 
   for argument in "$@"
   do