cp850_iso($s)

Translate string from cp850 encoding to iso-8859-1 encoding. Only german umlauts are handled.

iso_cp850($s)

Translate string from iso-8859-1 encoding to cp850 encoding. Only german umlauts are handled.

is_in_path($prog)

Return the pathname of $prog, if the program is in the PATH, or undef otherwise.

DEPENDENCY: file_name_is_absolute

file_name_is_absolute($file)

Return true, if supplied file name is absolute. This is only necessary for older perls where File::Spec is not part of the system.

tk_sleep

$top->tk_sleep($s);

Sleep $s seconds (fractions are allowed). Use this method in Tk programs rather than the blocking sleep function.