rsh timeout 옵션과 함께 동작시키기

#!/bin/sh # defines constant default_timeout=5 timeout=$default_timeout if [ -z $1 ]; then     echo 'Usage: rsh.sh [-t timeout] command'     echo ' ex) rsh.sh -t 5 a5555.google.com '     echo ' ex) rsh.sh a5555.google.com '     exit; fi param=$* while getopts ":t:" opt; do     case $opt in         t ) timeout=$OPTARG;;         \? ) echo "invalid option"              exit;;     esac done #$1->$0 shift $(($OPTIND - 1)) # background process rsh "$@" & backprocess=$! sleep $timeout; kill -9 $backprocess; echo "time out $timeout seconds" exit -1;

 

사용법

#!/usr/bin/perl

# rcmd(host, rcmd, lcmd)
sub rcmd {
  my $RSH = "/home/www/work/rsh.sh -t 1";
  chomp $RSH;
  my $RESULT = "";

  if($#_ == 1) {
     $RESULT = `$RSH $_[0] $_[1]`;
  } else {
    $RESULT = `$RSH $_[0] $_[1] | $_[2]`;
  }

  chomp $RESULT;
    return $RESULT;
}

rcmd("a55384", "ls -al");