From 7d57256a8b1527bb77aa683137655b92dbd97f90 Mon Sep 17 00:00:00 2001
From: Luke Bratch <l_bratch@yahoo.co.uk>
Date: Mon, 4 Aug 2014 11:20:56 +0100
Subject: Move filesize formatting to a function rather than a separate bash
 script

---
 head.bash | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/head.bash b/head.bash
index 9cc425d..71f8baf 100755
--- a/head.bash
+++ b/head.bash
@@ -1,5 +1,17 @@
 #!/bin/bash
 
+function filesize {
+echo $1 | awk 'function human(x) {
+         s=" B   KiB MiB GiB TiB EiB PiB YiB ZiB"
+         while (x>=1024 && length(s)>1)
+               {x/=1024; s=substr(s,5)}
+         s=substr(s,1,4)
+         xf=(s==" B  ")?"%5d   ":"%8.2f"
+         return sprintf( xf"%s\n", x, s)
+      }
+      {gsub(/^[0-9]+/, human($1)); print}'
+}
+
 read url
 arg1=`echo "$url" | cut -d\  -f1`
 argrest=`echo "$url" | cut -d\  -f1 --complement`
@@ -24,7 +36,8 @@ sed -i ':a;N;$!ba;s/\r//g' head.txt
 http=`grep HTTP head.txt`
 modified=`grep Last-Modified head.txt | sed "s/Last-Modified: //"`
 type=`grep Content-Type head.txt | cut -d " " -f2`
-length=`grep Content-Length head.txt | cut -d " " -f2 | ./filesize.sh | sed -r "s/[ \t]{2,}//"`
+length=`grep Content-Length head.txt | cut -d " " -f2`
+length=`filesize $length | sed -r "s/[ \t]{2,}//"`
 
 if [[ ! "$http" =~ "200" ]]
 then
-- 
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