Created
October 17, 2016 12:59
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Spawn a samename process and capture stderr to file
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package main | |
import ( | |
"log" | |
"os" | |
"os/exec" | |
"path/filepath" | |
"strings" | |
) | |
func main() { | |
basename := filepath.Base(os.Args[0]) | |
args := os.Args[1:] | |
program, err := exec.LookPath(basename) | |
if err != nil { | |
log.Fatalf("Cannot find program: %s", err) | |
} | |
cmd := exec.Command("strace", program, strings.Join(args, " ")) | |
file, err := os.Create("/tmp/stderr.log") | |
if err != nil { | |
log.Fatalf("Cannot open log file: %s", err) | |
} | |
cmd.Stdout = os.Stdout | |
cmd.Stderr = file | |
cmd.Stdin = os.Stdin | |
err = cmd.Start() | |
if err != nil { | |
log.Fatalf("Error running program: %s", err) | |
} | |
} |
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