go/gops
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Code Issues Releases Activity

output better aligned results (#46)

Browse Source 
Before the change, the output looked:
43819	gops	go1.9	/Users/jbd/bin/gops
20160	corp-ssh-helper	go1.8.1.typealias	/usr/local/bin/corp-ssh-helper
30492	dlv	go1.9	/Users/jbd/bin/dlv
31212	godoc	devel +990dac2723 Fri Jun 30 18:24:58 2017 +0000	/Users/jbd/bin/godoc
18579	mnp_logger	go1.7.1	/usr/local/bin/mnp_logger

After the change, it looks:
48071  gops            go1.9                                            /Users/jbd/bin/gops
31212  godoc           devel +990dac2723 Fri Jun 30 18:24:58 2017 +0000 /Users/jbd/bin/godoc
18579  mnp_logger      go1.7.1                                          /usr/local/bin/mnp_logger
20160  corp-ssh-helper go1.8.1.typealias                                /usr/local/bin/corp-ssh-helper
30492  dlv             go1.9                                            /Users/jbd/bin/dlv
44512  gocode          devel +990dac2723 Fri Jun 30 18:24:58 2017 +0000 /Users/jbd/bin/gocode
This commit is contained in:
JBD 2017-09-01 17:43:29 -07:00 committed by Emmanuel T Odeke
parent 208dc6473d
commit 414c940baf
1 changed files with 37 additions and 3 deletions
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40
main.go
View File

@ -9,6 +9,8 @@ import (
"bytes"
"fmt"
"os"
"strconv"
"strings"
"github.com/google/gops/goprocess"
)
@ -64,13 +66,31 @@ func main() {
}
func processes() {
for _, p := range goprocess.Find() {
ps := goprocess.Find()
var maxPID, maxExec, maxVersion int
for _, p := range ps {
maxPID = max(maxPID, len(strconv.Itoa(p.PID)))
maxExec = max(maxExec, len(p.Exec))
maxVersion = max(maxVersion, len(p.BuildVersion))
}
for _, p := range ps {
buf := bytes.NewBuffer(nil)
fmt.Fprintf(buf, "%d", p.PID)
pid := strconv.Itoa(p.PID)
fmt.Fprint(buf, pad(pid, maxPID))
if p.Agent {
fmt.Fprint(buf, "*")
} else {
fmt.Fprint(buf, " ")
}
fmt.Fprintf(buf, "\t%v\t%v\t%v\n", p.Exec, p.BuildVersion, p.Path)
fmt.Fprint(buf, " ")
fmt.Fprint(buf, pad(p.Exec, maxExec))
fmt.Fprint(buf, " ")
fmt.Fprint(buf, pad(p.BuildVersion, maxVersion))
fmt.Fprint(buf, " ")
fmt.Fprint(buf, p.Path)
fmt.Fprintln(buf)
buf.WriteTo(os.Stdout)
}
}
@ -82,3 +102,17 @@ func usage(msg string) {
fmt.Fprintf(os.Stderr, "%v\n", helpText)
os.Exit(1)
}
func pad(s string, total int) string {
if len(s) >= total {
return s
}
return s + strings.Repeat(" ", total-len(s))
}
func max(i, j int) int {
if i > j {
return i
}
return j
}