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User who did this - Dunric (dunric)
Attached to Project - awesome
Summary - rc.lua execution hang-up
Task Type - Bug Report
Category - Core
Status - Unconfirmed
Assigned To -
Operating System - Linux
Severity - Medium
Priority - Normal
Reported Version - 3.4.8
Due in Version - Undecided
Due Date - Undecided
Details - Trying to read program output by io.popen hangs rc.lua's execution
forever.
-- Sample code. Place it anywhere inside rc.lua, like the last statements for
example.
fh = io.popen('/usr/bin/xrandr -q')
xrandr_out = fh:read('*a') -- this hangs script execution, proces never
returns
The above code snippet does work anywhere else, even in widget event handler
also
defined in rc.lua, but it has to be run _after_ whole rc.lua is processed.
I see no reason io.popen won't work also in rc.lua, so finding it as a
Awesome's bug.
io.popen is a standard Lua library function
xrandr is a standard XOrg utilty. xrandr can be replaced with other
program (tested with xkb-switch).
More information can be found at the following URL:
http://awesome.naquadah.org/bugs/index.php?do=details&task_id=834
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