mirror of
https://github.com/fiatjaf/nak.git
synced 2024-10-30 00:59:07 -04:00
30 lines
463 B
Go
30 lines
463 B
Go
|
package main
|
||
|
|
||
|
import (
|
||
|
"bytes"
|
||
|
"io"
|
||
|
"os"
|
||
|
|
||
|
"github.com/urfave/cli/v2"
|
||
|
)
|
||
|
|
||
|
func getStdin() string {
|
||
|
stat, _ := os.Stdin.Stat()
|
||
|
if (stat.Mode() & os.ModeCharDevice) == 0 {
|
||
|
read := bytes.NewBuffer(make([]byte, 0, 1000))
|
||
|
_, err := io.Copy(read, os.Stdin)
|
||
|
if err == nil {
|
||
|
return read.String()
|
||
|
}
|
||
|
}
|
||
|
return ""
|
||
|
}
|
||
|
|
||
|
func getStdinOrFirstArgument(c *cli.Context) string {
|
||
|
target := c.Args().First()
|
||
|
if target != "" {
|
||
|
return target
|
||
|
}
|
||
|
return getStdin()
|
||
|
}
|