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// Copyright 2018 psgo authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package proc
import (
"bytes"
"fmt"
"io/ioutil"
)
// ParseCmdLine parses a /proc/$pid/cmdline file and returns a string slice.
func ParseCmdLine(pid string) ([]string, error) {
data, err := ioutil.ReadFile(fmt.Sprintf("/proc/%s/cmdline", pid))
if err != nil {
return nil, err
}
cmdLine := []string{}
for _, rawCmd := range bytes.Split(data, []byte{0}) {
cmdLine = append(cmdLine, string(rawCmd))
}
return cmdLine, nil
}
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