diff options
Diffstat (limited to 'internal/app/siftool/app.go')
| -rw-r--r-- | internal/app/siftool/app.go | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/internal/app/siftool/app.go b/internal/app/siftool/app.go index 1a7014c..8cc6377 100644 --- a/internal/app/siftool/app.go +++ b/internal/app/siftool/app.go @@ -1,4 +1,4 @@ -// Copyright (c) 2021, Sylabs Inc. All rights reserved. +// Copyright (c) 2021-2022, Sylabs Inc. All rights reserved. // This software is licensed under a 3-clause BSD license. Please consult the // LICENSE file distributed with the sources of this project regarding your // rights to use or distribute this software. @@ -13,6 +13,7 @@ import ( // appOpts contains configured options. type appOpts struct { out io.Writer + err io.Writer } // AppOpt are used to configure optional behavior. @@ -31,11 +32,23 @@ func OptAppOutput(w io.Writer) AppOpt { } } +// OptAppError specifies that errors should be written to w. +func OptAppError(w io.Writer) AppOpt { + return func(o *appOpts) error { + o.err = w + return nil + } +} + // New creates a new App configured with opts. +// +// By default, application output and errors are written to os.Stdout and os.Stderr respectively. +// To modify this behavior, consider using OptAppOutput and/or OptAppError. func New(opts ...AppOpt) (*App, error) { a := App{ opts: appOpts{ out: os.Stdout, + err: os.Stderr, }, } |