/
main.go
68 lines (54 loc) · 970 Bytes
/
main.go
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package main
import (
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"os"
)
const usage = `
usage: plop
`
const example = `
example:
$ date | plop
/tmp/plop-abd123
$ cat /tmp/plop-abd123
Fri Jan 29 12:10:25 EST 2016
`
const version = "v1.1.0"
var dir string
var prefix string
func init() {
flag.Usage = func() {
fmt.Printf("plop %s\n%s\n", version, usage)
flag.PrintDefaults()
fmt.Printf("%s\n", example)
}
flag.StringVar(&dir, "d", os.TempDir(), "directory")
flag.StringVar(&prefix, "t", "plop", "prefix")
flag.Parse()
}
func main() {
if isTTY(os.Stdin) {
flag.Usage()
os.Exit(1)
}
file, err := ioutil.TempFile(dir, fmt.Sprintf("%s-", prefix))
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", file.Name())
_, err = io.Copy(file, os.Stdin)
if err != nil {
log.Fatal(err)
}
}
func isTTY(file *os.File) bool {
stat, err := file.Stat()
if err != nil {
log.Fatal(err)
}
return ((stat.Mode() & os.ModeCharDevice) != 0)
}