Functions for executing shell commands on the local operating system and other system-level operations.
exec( words, ... )
Each of the
words values is treated as a single
(possibly quoted) word in a shell command.
The first argument is the filename
(either a full pathname, or the name of a file on the current path)
of an executable file.
These values can be numeric, or strings, or something else, and
are converted automatically to string values.
words(Object, one or more): one or more words composing a shell command; first is command and others are arguments
exec("process_skycoords.py", RA, DEC)
exec("process_sphericalcoords.sh", RA, DEC, 1.0)
exec( line )
line(String): command line to execute
exec("do_stuff.py " + RA + " " + DEC)
sleepMillis( millis )
millis(integer): number of milliseconds to wait
sleep( secs )
secs(integer): number of seconds to wait