Here is the whole sarexec.pl for you.. #sarexec.pl code..... 
#!/usr/bin/perl -w
#exec /usr/bin/perl /research-sar/sarexec.pl
use strict;

#starting sar....
if($ARGV[0] eq 'start')
{
 # Checking for correct parameters.. 
 if (exists $ARGV[1] && exists $ARGV[2] && exists $ARGV[3])
 {
   #print "present all things\n";
 }
 else 
 {
  #print "Missing parameters..cant continue..\n";
  
  exit;
 }


my $file_param;
my $file_location;
my $interval;

 $file_param = $ARGV[1];
 $file_location = $ARGV[2];
  open(FH,"> fileloc") or die"cant open the file";
  print FH $file_location or die"cant print to file";
  close(FH) or die "cant close the file";
 $interval = $ARGV[3];
  
   
   
  
my $pid =  fork();
  if($pid==0)
  {
  #print "In child";
  #print "$file_param";

   my $param1;
   open FH,"< $file_param" or die"cant open the file";
   #print "$file_param";
   $param1 = <FH>;
   close FH or die "cant close the file";
   chomp($param1);
   #print $param1;
   #my $testvar="-wWbB";
   system("sar  -o logfile $param1   $interval 0 > /dev/null&");
   exit 0;
  }
  else
  {
  #print "In parent";
  my $exitstatus = wait();
   exit;
  }
}

# stopping sar.....
elsif($ARGV[0] eq 'stop')
{

# Checking for correct parameters.. 
 if (exists $ARGV[1])
 {
   print "Bad parameters cant process\n";
   exit;
 }  
  
  my $loc;
  open FH, "< fileloc" or die " cant open file";
  $loc = <FH> ;
  #print $loc;
  chomp($loc);
  close FH or die "cant close file";
  system("kill \$(pidof sadc)");
  system("sar -f logfile>>$loc");
}

else 
{
  print " Wrong parameters";
}

[download]

In reply to Re^2: Running Perl scripts from ssh by agaream
in thread Running Perl scripts from ssh by agaream

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.