From 5b67c38f86318bfa8ff8e631aa9c5e0ea1a70c64 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sun, 22 Jan 2012 20:33:15 -0600
Subject: Add three commands that can be done as simple shell scripts (one sed
 is in, anyway), and don't need to be implemented in C.

---
 wrappers/dos2unix | 5 +++++
 wrappers/tac      | 7 +++++++
 wrappers/unix2dos | 5 +++++
 3 files changed, 17 insertions(+)
 create mode 100755 wrappers/dos2unix
 create mode 100755 wrappers/tac
 create mode 100755 wrappers/unix2dos

diff --git a/wrappers/dos2unix b/wrappers/dos2unix
new file mode 100755
index 00000000..9eab6644
--- /dev/null
+++ b/wrappers/dos2unix
@@ -0,0 +1,5 @@
+#!/bin/sh
+#HELP usage: dos2unix [FILE...]\n\nRemove DOS newlines
+
+[ $# -ne 0 ] && DASH_I=-i
+sed $DASH_I -e 's/\r$//' "$@"
diff --git a/wrappers/tac b/wrappers/tac
new file mode 100755
index 00000000..6253b70f
--- /dev/null
+++ b/wrappers/tac
@@ -0,0 +1,7 @@
+#!/bin/sh
+# HELP usage: tac [FILE...]\n\nPrint input lines in reverse order
+
+for i in "$@"
+do
+  sed -e '1!G;h;$!d' "$i"
+done
diff --git a/wrappers/unix2dos b/wrappers/unix2dos
new file mode 100755
index 00000000..68c18593
--- /dev/null
+++ b/wrappers/unix2dos
@@ -0,0 +1,5 @@
+#!/bin/sh
+#HELP usage: unix2dos [FILE...]\n\nAdd DOS newlines
+
+[ $# -ne 0 ] && DASH_I=-i
+sed $DASH_I -e 's/$/\r/' "$@"
-- 
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