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package process
import (
"fmt"
"io/ioutil"
"log"
"regexp"
"strconv"
)
type Process struct {
Pid int
Cmdline string
}
func (self *Process) String() string {
str := "========================="
str = str + fmt.Sprintf("PID: %d\n", self.Pid)
str = str + fmt.Sprintf("cmdline: %s\n", self.Cmdline)
return str
}
func (self *Process) Print() {
fmt.Println(self)
}
func Gather(res chan<- Process) {
re, _ := regexp.Compile("^[0-9]+$")
dir, err := ioutil.ReadDir("/proc/")
if err != nil {
log.Fatal(err)
}
for _, direntry := range dir {
name := direntry.Name()
if re.MatchString(name) {
pid, _ := strconv.Atoi(name)
bytes, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/cmdline", pid))
if err != nil {
log.Fatal(err)
}
if len(bytes) > 0 {
res <- Process{Pid: pid, Cmdline: string(bytes)}
}
}
}
}
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