X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/229d2545dd399b52c6128a823657c6266fbbe8a9..31d64906a0ebfbccb2ac76f50be7be6ed73c3a24:/helpers.lua?ds=sidebyside diff --git a/helpers.lua b/helpers.lua index f32c4ad..6073ddd 100644 --- a/helpers.lua +++ b/helpers.lua @@ -1,18 +1,15 @@ - --[[ - - Licensed under GNU General Public License v2 - * (c) 2013, Luke Bonham - ---]] + Licensed under GNU General Public License v2 + * (c) 2013, Luca CPZ + +--]] -local easy_async = require("awful.spawn").easy_async +local spawn = require("awful.spawn") local timer = require("gears.timer") local debug = require("debug") local io = { lines = io.lines, - open = io.open, - popen = io.popen } + open = io.open } local rawget = rawget local table = { sort = table.sort } @@ -108,27 +105,34 @@ end -- {{{ Pipe operations --- return the full output of an input command (synchronous pipe) --- @param cmd the input command --- @return command output (string) -function helpers.read_pipe(cmd) - local f = io.popen(cmd) - local output = f:read("*all") - f:close() - return output -end - -- run a command and execute a function on its output (asynchronous pipe) -- @param cmd the input command -- @param callback function to execute on cmd output -- @return cmd PID function helpers.async(cmd, callback) - return easy_async(cmd, + return spawn.easy_async(cmd, function (stdout, stderr, reason, exit_code) - callback(stdout) + callback(stdout, exit_code) end) end +-- like above, but call spawn.easy_async with a shell +function helpers.async_with_shell(cmd, callback) + return spawn.easy_async_with_shell(cmd, + function (stdout, stderr, reason, exit_code) + callback(stdout, exit_code) + end) +end + +-- run a command and execute a function on its output line by line +function helpers.line_callback(cmd, callback) + return spawn.with_line_callback(cmd, { + stdout = function (line) + callback(line) + end, + }) +end + -- }}} -- {{{ A map utility