12 lines
293 B
Text
12 lines
293 B
Text
# For this to work, you need to explicitly
|
|
# store the returned fh inside a variable.
|
|
var fh = File(__FILE__).open_r
|
|
|
|
# Now call the flock() method on it
|
|
fh.flock(File.LOCK_EX | File.LOCK_NB) ->
|
|
|| die "I'm already running!"
|
|
|
|
# Your code here...
|
|
say "Running..."
|
|
Sys.sleep(20)
|
|
say 'Done!'
|