routine printf
Documentation for routine printf
assembled from the following types:
language documentation Independent routines
From Independent routines
(Independent routines) routine printf
Defined as:
method printf (*)multi sub printf(Cool , *)
As a method, takes the object as a format using the same language as Str.sprintf
; as a sub, its first argument will be the format string, and the rest of the arguments will be substituted in the format following the format conventions.
"%s is %s".printf("þor", "mighty"); # OUTPUT: «þor is mighty»printf( "%s is %s", "þor", "mighty"); # OUTPUT: «þor is mighty»
class IO::CatHandle
From IO::CatHandle
(IO::CatHandle) method printf
Defined as:
multi method printf(|)
The IO::CatHandle type overrides this method to throw a X::NYI
exception. If you have a good idea for how this method should behave, tell Rakudo developers about it!
class IO::Handle
From IO::Handle
(IO::Handle) method printf
Defined as:
multi method printf(IO::Handle: Cool , *)
Formats a string based on the given format and arguments and .print
s the result into the filehandle. See sub sprintf for details on acceptable format directives.
Attempting to call this method when the handle is in binary mode will result in X::IO::BinaryMode
exception being thrown.
my = open 'path/to/file', :w;.printf: "The value is %d\n", 32;.close;