Initial commit

CHANGES.md

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+# 0.1.0 (2019-10-09)
+- Initial release.

LICENSE

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+MIT License
+
+Copyright (c) [year] [fullname]
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# cb
+## Usage
+Copy file contents to clipboard:
+```sh
+cb file.txt
+```
+
+Copy stdin contents to clipboard:
+```sh
+echo foo | cb
+```
+
+Copy stdin contents to clipboard, truncating 1 trailing line break if it exists:
+```sh
+echo foo | cb -n
+```
+
+## Installation
+```sh
+go get -u github.com/setlog./cb
+```

go.mod

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+module github.com/setlog/cb
+
+go 1.13
+
+require github.com/atotto/clipboard v0.1.2

go.sum

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+github.com/atotto/clipboard v0.1.2 h1:YZCtFu5Ie8qX2VmVTBnrqLSiU9XOWwqNRmdT3gIQzbY=
+github.com/atotto/clipboard v0.1.2/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=

main.go

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+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"github.com/atotto/clipboard"
+)
+
+func main() {
+	flagTruncNewLine := flag.Bool("n", false, "Set to truncate one trailing line break if it exists.")
+	flag.Parse()
+
+	var cb string
+	var err error
+	if flag.NArg() == 0 {
+		data, ioErr := ioutil.ReadAll(os.Stdin)
+		cb, err = string(data), ioErr
+	} else if flag.NArg() == 1 {
+		filePath := flag.Arg(0)
+		cb, err = readTextFile(filePath)
+	} else {
+		fatalf("provide file path or input on stdin")
+	}
+	if err != nil {
+		fatalf("%v", err)
+	}
+
+	if *flagTruncNewLine && len(cb) > 0 && cb[len(cb)-1] == '\n' {
+		cb = cb[:len(cb)-1]
+	}
+
+	err = clipboard.WriteAll(cb)
+	if err != nil {
+		fatalf("%v", err)
+	}
+}
+
+func readTextFile(filePath string) (string, error) {
+	data, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		return "", err
+	}
+	return string(data), err
+}
+
+func fatalf(formatMessage string, args ...interface{}) {
+	fmt.Printf(formatMessage+"\n", args...)
+	os.Exit(1)
+}