Remove space in whole file -perl Post: 302485674

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Top Forums Shell Programming and Scripting Remove space in whole file -perl Post 302485674 by danihamdani on Wednesday 5th of January 2011 11:45:29 PM

01-06-2011

Registered User

Remove space in whole file -perl

Hi all,

I have a file which have say about 123,000 records, the records in it look like:

1294160401681,05-01-2011 00:00:01,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160406515,05-01-2011 00:00:06,68,Cjw,2,0207,7,1100,900,SUCCESS,200,68,localhost,
1294160410097,05-01-2011 00:00:10,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160413815,05-01-2011 00:00:13,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160417389,05-01-2011 00:00:17,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,

1294160421087,05-01-2011 00:00:21,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160425975,05-01-2011 00:00:25,68,Cjw,2,0208,7,1100,900,SUCCESS,200,68,localhost,
1294160430483,05-01-2011 00:00:30,68,Cjw,2,0207,7,1100,900,SUCCESS,200,68,localhost,

1294160435542,05-01-2011 00:00:35,68,Cjw,2,0207,7,1100,900,SUCCESS,200,68,localhost,
1294160439128,05-01-2011 00:00:39,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,

...
This is how it looks, if u notice there is a space or carriage return between some records and im planning to remove that. So the the records that i want it look like:

1294160401681,05-01-2011 00:00:01,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160406515,05-01-2011 00:00:06,68,Cjw,2,0207,7,1100,900,SUCCESS,200,68,localhost,
1294160410097,05-01-2011 00:00:10,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160413815,05-01-2011 00:00:13,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160417389,05-01-2011 00:00:17,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160421087,05-01-2011 00:00:21,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,
1294160425975,05-01-2011 00:00:25,68,Cjw,2,0208,7,1100,900,SUCCESS,200,68,localhost,
1294160430483,05-01-2011 00:00:30,68,Cjw,2,0207,7,1100,900,SUCCESS,200,68,localhost,
1294160435542,05-01-2011 00:00:35,68,Cjw,2,0207,7,1100,900,SUCCESS,200,68,localhost,
1294160439128,05-01-2011 00:00:39,68,Cjw,2,3333,7,1100,900,SUCCESS,200,68,localhost,

...
Here is the code which i have written.. but someone should help me in completing it... thanks in advance

open(file_tmp,"<","$chk_file");
while (my $line = <file_tmp>)
{
$line =~ s/\n//g;
open(out,">>",tmpfile);
print out $line;
close(out);
}
close(file_tmp);

Please correct me if im wrong.. thank you.

danihamdani

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LEARN ABOUT DEBIAN

arpsend

arpsend(8)							    Containers								arpsend(8)

NAME

       arpsend - send ARP requests

SYNOPSIS

       arpsend -D -e target_ip [ -e target_ip ...]  [-c count] [-w timeout] interface

       arpsend -U -i source_ip [-c count] [-w timeout] interface

DESCRIPTION

       Utility arpsend sends ARP packets on device interface to detect or update neighbours' ARP caches with a given IP.

COMMANDS

       Run utility with one of the following commands:

       -D     Send broadcast ARP request to detect neighbours with target_ip. You have to specify target_ip (-e option).

       -U     Send broadcast ARP request to update neighbours' ARP caches with source_ip. You have to specify source_ip (-i option).

OPTIONS

       -c count
	      Number of packets to send. Default is infinity.

       -w interval
	      Interval between packets, in seconds. Default is 1 second.

       -i source_ip_address
	      Set source IP address field in ARP packet.

       -e target_ip_address
	      Set  target  IP  address	field in ARP packet. Note that you can specify -e option multiple times to detect many IP addresses in one
	      utility call.

EXIT STATUS

       arpsend returns 0 upon successful execution. If something goes wrong, it returns an appropriate error code.

       1    EXC_USAGE
	      Usage error

       2    EXC_SYSTEM
	      System error

       3    EXC_RECV
	      ARP reply was received

EXAMPLES

       To send request on interface eth0 to detect any neighbour computers with IP 192.168.10.200:

	  arpsend -D -e 192.168.10.200 eth0

       To send request on interface eth0 to update neighbours' ARP caches with IP 192.168.10.200:

	  arpsend -U -i 192.168.10.200 eth0

NOTES

       Interface you use have to be arpable and not be loopback (i.e.  /sbin/ip link show interface should show neither NOARP nor  LOOPBACK  flags
       in interface parameters).

SEE ALSO

       vzctl(8).

LICENSE

       Copyright (C) 2000-2011, Parallels, Inc. Licensed under GNU GPL.

OpenVZ								    28 Jun 2011 							arpsend(8)

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