[go-nuts] parse output of exec.Command

[natxo....@gmail.com]

hi,

I am trying to parse he output of a command and not getting the desired 
results.

This is the sanitized output:

Certificate
       DN:             O=SUB,DOMAIN.TLD, CN=usernamej
       Serial:         333333
       Serialized id: 
 
pkcs11:model=PKCS%2315%20emulated;token=1;manufacturer=piv_II;serial=xxxxxxxxxxxxxxxxxxxxxx;id=%08

Certificate
       DN:             O=OTHER.DOMAIN.TLD, CN=yetanother0.other.domain.tld
       Serial:         4444
       Serialized id: 
 
pkcs11:model=PKCS%2315%20emulated;token=1;manufacturer=piv_II;serial=xxxxxxxxxxxxxxxxxxxx;id=%09


Skipping the part to run the command etc, that works:

ype ykcert struct {
DN           string
Serial       string
Serializedid string
}

certnr := 0
var certs = make(map[int]ykcert)
var certregex = regexp.MustCompile(`^Certificate`)
var dnregex = regexp.MustCompile(`\s+DN:\s+`)
var serialregex = regexp.MustCompile(`\s+Serial:`)
var serialidregex = regexp.MustCompile(`\s+Serialized id:`)
scanner := bufio.NewScanner(r)

go func() {
for scanner.Scan() {
if len(scanner.Text()) < 1 {
continue
}
switch {
case certregex.MatchString(scanner.Text()):
certnr++
case dnregex.MatchString(scanner.Text()):
certs[certnr] = ykcert{DN: scanner.Text()}
case serialregex.MatchString(scanner.Text()):
certs[certnr] = ykcert{Serial: scanner.Text()}
case serialidregex.MatchString(scanner.Text()):
certs[certnr] = ykcert{Serializedid: scanner.Text()}
}
}
done <- struct{}{}
}()

So I try to save the output in a map which is map[int]ykcert and while 
scanning the text if I match the desired regex, I assign that to the struct 
field.

What happens is that only the last case is 'remembered', so the map gets 
the correct number of elements, but the struct only gets filed with, in 
this case, the serializedid field. The other fields are not there.

How can I fill in the map elements fully?

Thanks for your input.

-- 
regards,
Natxo

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