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How to use Exports method of cmd Package

Best K6 code snippet using cmd.Exports

shell_test.go

Source:shell_test.go

...32	export W=233}34		`,35			command: &cmd.ShellCommand{36				Exports: map[string]*cmd.ShellValue{"S": nil, "Y": lit("1")},37				Locals:  map[string]*cmd.ShellValue{},38			},39		},40		{41			name: "explicit locals",42			source: `43: ${S}44: ${Y:=1}45K=346J=$(echo)47foo() {48	: ${Z}49 	: ${W:=2}50}51`,52			command: &cmd.ShellCommand{53				Exports: map[string]*cmd.ShellValue{},54				Locals:  map[string]*cmd.ShellValue{"S": nil, "Y": lit("1"), "K": lit("3"), "J": expr("$(echo)")},55			},56			scenarios: []scenario{57				{58					s: `: ${S:=s}59: ${Y:=2}60K=361J=$(echo)62foo() {63	: ${Z}64	: ${W:=2}65}66`,67					locals: map[string]*cmd.ShellValue{68						"S": lit("s"),69						"Y": lit("2"),70						// "J": expr("$(echo)"),71					},72				},73			},74		},75		{76			name: "discover locals",77			source: `78		echo $1 $@ $# $? ${S} ${Y:=1} ${Z:-2}79		`,80			command: &cmd.ShellCommand{81				Exports: map[string]*cmd.ShellValue{},82				Locals:  map[string]*cmd.ShellValue{"S": nil, "Y": lit("1"), "Z": lit("2")},83			},84		},85		{86			name: "discover exports",87			source: `88export Y89echo ${S} ${Y:=1} ${Z:-2}90		`,91			command: &cmd.ShellCommand{92				Exports: map[string]*cmd.ShellValue{"Y": nil},93				Locals:  map[string]*cmd.ShellValue{"S": nil, "Z": lit("2")},94			},95			scenarios: []scenario{96				{97					s: `export Y98echo ${S} ${Y:=1} ${Z:-2}99		`,100					locals: map[string]*cmd.ShellValue{},101				},102			},103		},104	}105	for _, c := range cases {106		t.Run(c.name, func(t *testing.T) {...

cmd_runner.go

Source:cmd_runner.go

1package acceptance2import (3	"fmt"4	"io"5	"strings"6	boshlog "github.com/cloudfoundry/bosh-utils/logger"7	boshsys "github.com/cloudfoundry/bosh-utils/system"8)9type CmdRunner interface {10	RunCommand(env map[string]string, args ...string) (string, string, int, error)11	RunStreamingCommand(out io.Writer, env map[string]string, args ...string) (string, string, int, error)12}13type cmdRunner struct {14	runner boshsys.CmdRunner15}16func NewCmdRunner(logger boshlog.Logger) CmdRunner {17	return &cmdRunner{18		runner: boshsys.NewExecCmdRunner(logger),19	}20}21func (r *cmdRunner) RunCommand(env map[string]string, args ...string) (string, string, int, error) {22	exports := make([]string, len(env))23	for k, v := range env {24		exports = append(exports, fmt.Sprintf("%s=%s", k, v))25	}26	argsWithEnv := append(exports, args...)27	return r.runner.RunCommand(28		"bash",29		"-c",30		strings.Join(argsWithEnv, " "),31	)32}33func (r *cmdRunner) RunStreamingCommand(out io.Writer, env map[string]string, args ...string) (string, string, int, error) {34	exports := make([]string, len(env))35	for k, v := range env {36		exports = append(exports, fmt.Sprintf("%s=%s", k, v))37	}38	argsWithEnv := append(exports, args...)39	cmd := boshsys.Command{40		Name: "bash",41		Args: []string{42			"-c",43			strings.Join(argsWithEnv, " "),44		},45		Stdout: out,46		Stderr: out,47	}48	// write command being run49	cmdString := fmt.Sprintf("> %s %s\n", cmd.Name, strings.Join(cmd.Args, " "))50	out.Write([]byte(cmdString))51	return r.runner.RunComplexCommand(cmd)52}...

Exports

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-la")4    err := cmd.Run()5    if err != nil {6        fmt.Println(err)7    }8}9import (10func main() {11    cmd := exec.Command("ls", "-la")12    err := cmd.Run()13    if err != nil {14        fmt.Println(err)15    }16}

Exports

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.Output()5    if err != nil {6        panic(err)7    }8    fmt.Println(string(out))9}10import (11func main() {12    cmd := exec.Command("ls", "-l")13    err := cmd.Run()14    if err != nil {15        panic(err)16    }17    fmt.Println("Command successfully executed")18}19If you want to pass the output of one command to the input of another command, then use the CombinedOutput() method

Exports

Using AI Code Generation

1import (2func main() {3 cmd := exec.Command("ls")4 cmd.Run()5 fmt.Println("Done")6}

Exports

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-ltr")4	err := cmd.Run()5	if err != nil {6		fmt.Println("Error occurred while running command")7	}8	fmt.Println("Command executed successfully")9}10import (11func main() {12	cmd := exec.Command("ls", "-ltr")13	output, err := cmd.Output()14	if err != nil {15		fmt.Println("Error occurred while running command")16	}17	fmt.Println("Command executed successfully")18	fmt.Println(string(output))19}20import (21func main() {22	cmd := exec.Command("ls", "-ltr")23	output, err := cmd.CombinedOutput()24	if err != nil {25		fmt.Println("Error occurred while running command")

Exports

Using AI Code Generation

1import (2func main() {3	fmt.Println(cmd.Exports())4}5import (6func main() {7	fmt.Println(cmd.Exports())8}9func Exports() string {10}

Exports

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	cmd := exec.Command("ls")5	out, err := cmd.Output()6	if err != nil {7		fmt.Println(err)8	}9	fmt.Println(string(out))10}

Exports

Using AI Code Generation

1import (2func main() {3  cmd := exec.Command("C:\\Windows\\System32\\cmd.exe", "/c", "echo hello")4  out, _ := cmd.Output()5  fmt.Println(string(out))6}

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