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--[[
FFLuCI - Filesystem tools
Description:
A module offering often needed filesystem manipulation functions
FileId:
$Id$
License:
Copyright 2008 Steven Barth <steven@midlink.org>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
]]--
module("ffluci.fs", package.seeall)
require("posix")
-- Glob
function glob(pattern)
return posix.glob(pattern)
end
-- Checks whether a file exists
function isfile(filename)
local fp = io.open(path, "r")
if file then file:close() end
return file ~= nil
end
-- Returns the content of file
function readfile(filename)
local fp, err = io.open(filename)
if fp == nil then
return nil, err
end
local data = fp:read("*a")
fp:close()
return data
end
-- Returns the content of file as array of lines
function readfilel(filename)
local fp, err = io.open(filename)
local line = ""
local data = {}
if fp == nil then
return nil, err
end
while true do
line = fp:read()
if (line == nil) then break end
table.insert(data, line)
end
fp:close()
return data
end
-- Writes given data to a file
function writefile(filename, data)
local fp, err = io.open(filename, "w")
if fp == nil then
return nil, err
end
fp:write(data)
fp:close()
return true
end
-- Returns the file modification date/time of "path"
function mtime(path)
return posix.stat(path, "mtime")
end
-- basename wrapper
basename = posix.basename
-- dirname wrapper
dirname = posix.dirname
-- dir wrapper
function dir(path)
local dir = {}
for node in posix.files(path) do
table.insert(dir, 1, node)
end
return dir
end
-- Alias for lfs.mkdir
mkdir = posix.mkdir
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