LICENSE

@@ -1,35 +0,0 @@
-3-Clause BSD NON-AI License
-
-Copyright 2025 The foilhatguy.casa domain name owner.
-
-Redistribution and use in source and binary forms, with or without modification, 
-are permitted provided that the following conditions are met:
-
-1. Redistributions of source code must retain the above copyright notice, this 
-list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright notice, 
-this list of conditions and the following disclaimer in the documentation and/or 
-other materials provided with the distribution.
-
-3. Neither the name of the copyright holder nor the names of its contributors 
-may be used to endorse or promote products derived from this software without 
-specific prior written permission.
-
-4. The source code and the binary form, and any modifications made to them may 
-not be used for the purpose of training or improving machine learning algorithms,
-including but not limited to artificial intelligence, natural language processing, 
-or data mining. This condition applies to any derivatives, modifications, or 
-updates based on the Software code. Any usage of the source code or the binary 
-form in an AI-training dataset is considered a breach of this License.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND 
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
-BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
-LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
-OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
-OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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-### The "UI" package
-
-This package provides --verbose and --quiet flag features to your cli.
-It recognize both short and long flags. The package contains three functions:
-- **PrintOut** to print regular messages unless --quiet flag is set.
-- **PrintVerbose** to print messages only if --verbose flag is set, but --quiet
-flag is not.
-- **SetupOutputMode** to reconfigure output mode in the runtime.
-
--------------
-
-### Usage
-1. Download the package by **go get** command:
-```shell
-go get code.foilhatguy.casa/pub/ui
-```
-2. Import package to your golang code:
-```go
-import (
-	"code.foilhatguy.casa/pub/ui"
-)
-```
-There is no need for additional configuration. The package have its own **init** 
-function to detect --verbose and --quiet flags.
-
-3. Use **PrintOut** and **PrintVerbose** functions to print
-messages to the standard output:
-```go
-    ui.PrintOut("Some regular message.")
-    ui.PrintVerbose("Some message printed only if --verbose flag is set.")
-```

ui.go

@@ -1,38 +1,33 @@
+// This package provides --quiet and --verbose flags for cli and corresponding output print functions PrintOut and PrintVerbose.
+// Another line
 package ui
 
 import (
 	"fmt"
 	"io"
 	"os"
-    "strings"
+
+	"github.com/spf13/pflag"
 )
 
 var stdOutput io.Writer
 var verboseOutput io.Writer
 
 func init() {
-    isQuiet := detectFlag("q", "--quiet")
+	outputFlagSet := pflag.NewFlagSet("output", pflag.ContinueOnError)
-    isVerbose := detectFlag("V", "--verbose")
+	outputFlagSet.ParseErrorsWhitelist.UnknownFlags = true
+	outputFlagSet.SetOutput(nil)
 
-	SetupOutputMode(isQuiet, isVerbose)
+	isVerbose := outputFlagSet.BoolP("verbose", "V", false, "If set adds additional details to output.")
+	isQuiet := outputFlagSet.BoolP("quiet", "q", false, "If set makes no output at all.")
+
+	err := outputFlagSet.Parse(os.Args)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
 	}
 
-func detectFlag(shortFlag string, fullFlag string) bool {
+	SetupOutputMode(*isQuiet, *isVerbose)
-    for _, arg := range os.Args {
-        if containFlag(arg, shortFlag) || arg == fullFlag {
-            return true
-        } 
-    }
-    return false
-}
-
-func containFlag(arg string, shortFlag string) bool {
-    if len(arg)>1 {
-        if arg[0] == "-"[0] && arg[1] != "-"[0] {
-            return strings.Contains(arg, shortFlag)
-        }
-    }
-    return false
 }
 
 func SetupOutputMode(isQuiet bool, isVerbose bool) {