From 23ebdbace364ffc2e27403e103594c12c0002b5b Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Sat, 7 Sep 2013 14:24:12 -0400
Subject: clean up chardiff

---
 chardiff.sh     | 10 +---------
 chardiff_post.c |  5 +----
 chardiff_pre.c  |  1 -
 3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/chardiff.sh b/chardiff.sh
index 74c3b2e..17234ae 100644
--- a/chardiff.sh
+++ b/chardiff.sh
@@ -4,12 +4,4 @@ file1=${1?usage: chardiff FILE1 FILE2 [FLAGS]}
 file2=${2?usage: chardiff FILE1 FILE2 [FLAGS]}
 shift 2
 
-tmp1=`mktemp`
-chardiff_pre < "$file1" > "$tmp1"
-
-tmp2=`mktemp`
-chardiff_pre < "$file2" > "$tmp2"
-
-wdiff "$@" "$tmp1" "$tmp2" | chardiff_post
-rm "$tmp1" "$tmp2"
-
+wdiff "$@" <(chardiff_pre < "$file1") <(chardiff_pre < "$file2") | chardiff_post
diff --git a/chardiff_post.c b/chardiff_post.c
index c7f543f..9a71eeb 100644
--- a/chardiff_post.c
+++ b/chardiff_post.c
@@ -1,7 +1,5 @@
 #include <stdio.h>
 
-extern char* program_name;
-
 int
 main (int argc, char* argv[]) {
 	char c;
@@ -11,11 +9,10 @@ main (int argc, char* argv[]) {
 			switch (c2) {
 				case 'n': putchar('\n'); break;
 				case '\\': putchar('\\'); break;
-				default:  putchar(c2);   break;
+				default:  putchar(c2);  break;
 			}
 		} else if (c!='\n') {
 			putchar(c);
 		}
 	}
 }
-
diff --git a/chardiff_pre.c b/chardiff_pre.c
index 8a68d54..baf7835 100644
--- a/chardiff_pre.c
+++ b/chardiff_pre.c
@@ -11,4 +11,3 @@ main (int argc, char* argv[]) {
 		}
 	}
 }
-
-- 
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