awesomewm/yawl/utils.lua
2022-04-11 12:06:11 +02:00

44 lines
844 B
Lua

-- YAWL, utils module
local utils = {}
-- strim, for simple trim
function utils.strim(char)
return char:gsub("\n", "")
end
-- count line number
function utils.lc(str)
return select(2, str:gsub("\n", "\n"))
end
-- cut line
function utils.cut(str)
return str:sub(1, 130)
end
-- sanitize line with trim and cut
function utils.sanitize(str)
local temp = utils.strim(str)
local temp = utils.cut(temp)
return temp
end
-- split is used to split a line using a regex
function utils.split(str, regex)
local content = {}
for s in str:gmatch(regex) do
table.insert(content, s)
end
return content
end
-- run command and get output
function utils.run(cmd)
local reader = io.popen(cmd, "r")
local content = reader:read('*a')
reader:close()
return content
end
-- Return module
return utils