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? ??? ?? Golang Switch ? ForEach? ?? Go ???? ???? ??? ??? ???? Bash ????? ???? ??? ??????

Switch ? ForEach? ?? Go ???? ???? ??? ??? ???? Bash ????? ???? ??? ??????

Oct 29, 2024 am 09:50 AM

How to Use Go Template with Switch and ForEach to Generate Bash Scripts with Dependency Type Specific Commands?

Switch ? ForEach? ??? Golang ???

??:

??? switch ? ForEach ??? ?? ???? Go ????? bash.sh ?????. ??? ????? ??? ??? ???? ?? ??? ????? ?? ??? ???? ?? ???? ???? ???.

??:

YAML ??? ? ??? ?? ???? ?? ??? ??? ??????. ????? ??? ??? ???? ???? ??? ??? ??? ??????.

???:

??? ???? ?? ??? ??? Install ???? ??? ??? ???? ?????. ?? ?? Dependency ??? ???? range ? switch ??? ???? ??? ?? ??? ???? ???? ???????.

?? ?? ??? ??? ?? ??? ?????.

<code class="go">import (
    "log"
    "text/template"
    "gopkg.in/yaml.v2"
    "os"
)

type File struct {
    TypeVersion string `yaml:"_type-version"`
    Dependency  []Dependency
}

type Dependency struct {
    Name    string
    Type    string
    CWD     string
    Install map[string]string
}

var data = `
_type-version: "1.0.0"
dependency:
  - name: ui
    type: runner
    cwd: /ui
    install:
       api: echo api1

  - name: ui2
    type: runner2
    cwd: /ui2
    install:
       api: echo api2

`

func main() {
    f := File{}

    err := yaml.Unmarshal([]byte(data), &amp;f)
    if err != nil {
        log.Fatalf("error: %v", err)
    }

   const t = `
#!/bin/bash

{{range .Dependency}}
echo "type is {{.Type}}"
echo "cwd is {{.CWD}}"
{{range $installName, $installCmd := .Install}}
echo "install {{$installName}} ({{$installCmd}})"
{{end}}
{{end}}
`

    tt := template.Must(template.New("").Parse(t))
    err = tt.Execute(os.Stdout, f)
    if err != nil {
        log.Println("executing template:", err)
    }
}</code>

??:

????? ??? ???? ????? ?????.

<code class="sh">#!/bin/bash

echo "type is runner"
echo "cwd is /ui"
echo "install api (echo api1)"
echo "type is runner2"
echo "cwd is /ui2"
echo "install api (echo api2)"</code>

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? API? Golang? Python? ?? ?? ?? ? API? Golang? Python? ?? ?? ?? Jul 03, 2025 am 02:40 AM

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