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The section contains functions that are not of general interest:
get_first_active_scan()
Returns the name of the first active SCAN or “0”, if no
active SCAN exists:
$name = Spectra::get_first_active_scan();
Spectra::Exp_init()
Initialises an Online session. This function is intended to
be used by scripts that are not invoked during an Online session.
Spectra::get_free_line(), Spectra::get_free_slot()
$ret = Spectra::get_free_slot();
Spectra::Gra_init()
Initialises a Spectra session. This function is intended to be used
in scripts that are not invoked during a Spectra session. Note that
Spectra does not open a graphics terminal, if the environment
variable SPECTRA_NOGRAPHIC has been set.
Spectra::Gra_input()
Calls the Spectra command line interface,
memory_free(), memory_total(), meminfo()
memstat()
Return the ratio used/total memory.
$ratio = Spectra::memstat();
scan_number()
Returns the last scan number.
search_symbol(), search_scan(), search_gqe()
Return 1, if the specified GQE exists.
sigbus(), sigfpe(), sigint(), sigsegv()
Raise signals.
gra_errno( $code), gra_errno()
gra_errno() returns a reason code that has been
set when an error occured. The code is cleared when the
function returns. Table 6.2.30 displays
the codes that are set by Online. Users may
also set a reason code and make use of it.