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72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package nsys
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import (
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"bytes"
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"git.noahlan.cn/noahlan/ntool/ncli/cmdline"
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"git.noahlan.cn/noahlan/ntool/nsys/cmdr"
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"os/exec"
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)
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// NewCmd instance
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func NewCmd(bin string, args ...string) *cmdr.Cmd {
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return cmdr.NewCmd(bin, args...)
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}
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// FlushExec instance
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func FlushExec(bin string, args ...string) error {
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return cmdr.NewCmd(bin, args...).FlushRun()
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}
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// QuickExec quick exec an simple command line
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func QuickExec(cmdLine string, workDir ...string) (string, error) {
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return ExecLine(cmdLine, workDir...)
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}
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// ExecLine quick exec an command line string
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func ExecLine(cmdLine string, workDir ...string) (string, error) {
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p := cmdline.NewParser(cmdLine)
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// create a new Cmd instance
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cmd := p.NewExecCmd()
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if len(workDir) > 0 {
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cmd.Dir = workDir[0]
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}
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bs, err := cmd.Output()
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return string(bs), err
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}
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// ExecCmd a command and return output.
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//
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// Usage:
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//
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// ExecCmd("ls", []string{"-al"})
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func ExecCmd(binName string, args []string, workDir ...string) (string, error) {
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// create a new Cmd instance
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cmd := exec.Command(binName, args...)
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if len(workDir) > 0 {
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cmd.Dir = workDir[0]
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}
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bs, err := cmd.Output()
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return string(bs), err
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}
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// ShellExec exec command by shell cmdLine. eg: "ls -al"
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func ShellExec(cmdLine string, shells ...string) (string, error) {
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// shell := "/bin/sh"
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shell := "sh"
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if len(shells) > 0 {
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shell = shells[0]
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}
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var out bytes.Buffer
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cmd := exec.Command(shell, "-c", cmdLine)
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cmd.Stdout = &out
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if err := cmd.Run(); err != nil {
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return "", err
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}
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return out.String(), nil
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}
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