From a96cb599a24a578a98af2e70da40037c00a7db6b Mon Sep 17 00:00:00 2001
From: Ted Trask <ttrask01@yahoo.com>
Date: Fri, 23 Jan 2009 14:35:39 +0000
Subject: Modifed fs.lua to remove unnecessary calls to io.popen.

git-svn-id: svn://svn.alpinelinux.org/acf/core/trunk@1694 ab2d0c66-481e-0410-8bed-d214d4d58bed
---
 lib/fs.lua | 27 ++++++++-------------------
 1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/lib/fs.lua b/lib/fs.lua
index 954ac0d..f484bf1 100644
--- a/lib/fs.lua
+++ b/lib/fs.lua
@@ -44,22 +44,21 @@ end
 
 -- Creates a directory if it doesn't exist, including the parent dirs
 function create_directory ( path )
-	local p, i
-	p = ""
-	for i in string.gmatch(path, "/*[^/]+") do 
-		p = p .. i
-		posix.mkdir(p)
+	local pos = string.find(path, "/")
+	while pos do
+		posix.mkdir(string.sub(path, 1, pos))
+		pos = string.find(path, "/", pos+1)
 	end
+	posix.mkdir(path)
 	return is_dir(path)
 end
 
--- Creates a blank file
+-- Creates a blank file (and the directory if necessary)
 function create_file ( path )
 	path = path or ""
 	if dirname(path) and not posix.stat(dirname(path)) then create_directory(dirname(path)) end
-	local cmd = "touch "..format.escapespecialcharacters(path) 
-	local f = io.popen(cmd)
-	f:close()
+	local f = io.open(path, "w")
+	if f then f:close() end
 	return is_file(path)
 end
 
@@ -117,16 +116,6 @@ function write_line_file ( path, str )
 	end
 end
 
-
---will return a string with md5sum and filename
-function md5sum_file ( path )
-	local cmd = "/usr/bin/md5sum "..format.escapespecialcharacters(path) 
-	f = io.popen(cmd)
-	local checksum = f:read("*a")
-	f:close()
-	return checksum
-end
-
 -- iterator function for finding dir entries matching filespec (what)
 -- starting at where, or currentdir if not specified.
 -- Finds regexes, not fileglobs
-- 
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