Initial commit

.gitignore

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+/build
+/ntimes
+/pkg

README.md

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+# ntimes
+
+Command to execute command N times
+
+## Usage
+
+```
+$ ntimes 3 echo foo bar baz
+foo bar baz
+foo bar baz
+foo bar baz
+```
+
+## Author
+
+Yuya Takeyama
+
+## License
+
+The MIT License

main.go

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+package main
+
+import (
+	"io"
+	"os"
+	"os/exec"
+	"strconv"
+)
+
+const AppName = "ntimes"
+
+func main() {
+	cnt, err := strconv.Atoi(os.Args[1])
+	cmdName := os.Args[2]
+	cmdArgs := os.Args[3:]
+
+	if err != nil {
+		panic(err)
+	}
+
+	ntimes(cnt, cmdName, cmdArgs, os.Stdin, os.Stdout, os.Stderr)
+}
+
+func ntimes(cnt int, cmdName string, cmdArgs []string, stdin io.Reader, stdout io.Writer, stderr io.Writer) {
+	for i := 0; i < cnt; i++ {
+		cmd := exec.Command(cmdName, cmdArgs...)
+		cmd.Stdin = stdin
+		cmd.Stdout = stdout
+		cmd.Stderr = stderr
+		err := cmd.Run()
+
+		if err != nil {
+			panic(err)
+		}
+	}
+}

main_test.go

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+package main
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestNtimes(t *testing.T) {
+	stdin := new(bytes.Buffer)
+	stdout := new(bytes.Buffer)
+	stderr := new(bytes.Buffer)
+
+	ntimes(3, "echo", []string{"foo", "bar", "baz"}, stdin, stdout, stderr)
+
+	expected := "foo bar baz\nfoo bar baz\nfoo bar baz\n"
+	actual := stdout.String()
+
+	if actual != expected {
+		t.Error("The result does not match\nExpected:\n" + expected + "\nActual:\n" + actual)
+	}
+}

release.sh

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+ggallin release --os="linux darwin" --username=yuya-takeyama

version.go

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+package main
+
+const Version string = "0.0.1"
+
+var GitCommit = ""

wercker.yml

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+box: wercker/golang
+services:
+  - wercker/mysql
+build:
+  steps:
+    - setup-go-workspace
+    - script:
+        name: go get
+        code: |
+          cd $WERCKER_SOURCE_DIR
+          go version
+          go get -t ./...
+    - script:
+        name: go build
+        code: |
+          go build ./...
+    - script:
+        name: go test
+        code: |
+          export DB2YAML_MYSQL_HOST=$WERCKER_MYSQL_HOST
+          export DB2YAML_MYSQL_PORT=$WERCKER_MYSQL_PORT
+          export DB2YAML_MYSQL_USERNAME=$WERCKER_MYSQL_USERNAME
+          export DB2YAML_MYSQL_PASSWORD=$WERCKER_MYSQL_PASSWORD
+          export DB2YAML_MYSQL_DATABASE=$WERCKER_MYSQL_DATABASE
+          go test ./...