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Re: [PROGRAMMERING] Bash, while read uventet opf ørsel



sslug@sslug (Gorm Rasmussen) writes:

> while read i; do
>  if [[ "$i" == wan* ]]; then  echo $i
>    ssh localhost pwd
>  fi
> done <"ip.txt"
>
> Hvis jeg udkommenterer linien med ssh udskrives alle linier startende
> med wan, men med ssh-linien stopper loopen efter 1. iteration. Er der
> en som kan fortælle mig hvad retning jeg skal kigge i.

Det der sker er at ssh læser fra stdin, sikkert for at sende det
videre til pwd på localhost. Jeg kan ikke lige på stående fod afgøre
om det er en bug eller feature.

Men hvis du skriver:

  while read i; do
    if [[ "$i" == wan* ]]; then  echo $i
      ssh -n localhost pwd
    fi
  done <"ip.txt"

burde det virke.

//Peter Makholm


 
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