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silently - prevent any output from a block
use silently;
silently is module that exports a single sub called silently that takes a block to execute. Inside that block, all textual output to $OUT and $ERR is prevented from actually being sent to STDOUT and STDERR.
Note that if you're only interested in surpressing output from warnings, you should use the quietly statement prefix.
silently { say "hello world" } # no output
my $captured = silently { note "tis wrong" }
if $captured.err -> $error {
say "something went wrong: $error";
}
The "silently" subroutine takes a block as a parameter, and runs that block catching all output to $*OUT and $*ERR.
If the output is actually needed for inspection: the subroutine returns an object that provides two methods: out and err, giving the captured output to $*OUT and $*ERR respectively.
Elizabeth Mattijsen [email protected]
Source can be located at: https://github.com/lizmat/silently . Comments and Pull Requests are welcome.
Copyright 2020 Elizabeth Mattijsen
This library is free software; you can redistribute it and/or modify it under the Artistic License 2.0.