slg/main.go
2017-10-20 14:13:41 -07:00

36 lines
494 B
Go

package main
import (
"bufio"
"fmt"
"os"
"strings"
)
func main() {
keys := map[string]bool{}
for _, k := range os.Args[1:] {
keys[k] = true
}
s := bufio.NewScanner(os.Stdin)
for s.Scan() {
ss := []string{}
for _, f := range strings.Fields(s.Text()) {
kv := strings.Split(f, "=")
if len(kv) != 2 {
continue
}
k := kv[0]
if _, ok := keys[k]; !ok {
continue
}
ss = append(ss, f)
}
if len(ss) > 0 {
fmt.Println(strings.Join(ss, " "))
}
}
}