RE: delete all lines in a file save it come out

2004-08-31 Thread Jim
> > On Aug 31, Jim said: > > >open (FILE, "+>", $file) or die "cannot open $file: $!"; > > I think you want "+>>" there, or else it will overwrite the > contents of the file and you won't be able to determine how > many lines there were originally. Thanks. I was not sure what he was tryin

RE: delete all lines in a file save it come out

2004-08-31 Thread Jeff 'japhy' Pinyan
On Aug 31, Jim said: >open (FILE, "+>", $file) or die "cannot open $file: $!"; I think you want "+>>" there, or else it will overwrite the contents of the file and you won't be able to determine how many lines there were originally. >flock (FILE, 2) or die "cannot flock $file: $!"; For safety'

RE: delete all lines in a file save it come out

2004-08-31 Thread Jeff 'japhy' Pinyan
On Aug 31, [EMAIL PROTECTED] said: >Well if all you want to do is count the number of lines in the file then >zero out the file, the easiest way that I can think of would be to use a >couple of system calls like this. No, there is no reason to make any system calls at all. open FILE, "< $file"

Re: delete all lines in a file save it come out

2004-08-31 Thread Jeff 'japhy' Pinyan
On Aug 31, [EMAIL PROTECTED] said: >open(FILE, "> $logfile") or die "Couldn't open $logfile : $!\n"; # This > logfile keeps appending in a linux m/c >flock(FILE,2); >while (sysread FILE, $buffer, 4096) { > $lines += ($buffer =~ tr/\n//); >} This ma

RE: delete all lines in a file save it come out

2004-08-31 Thread Jim
> Hi , > I have a problem in deleting all the lines in a file and saving it . > Actually my log file keep appending all the messages for that > i need to clean it up i.e delete all lines in it save it . > when i do this initially file shows zero bytes , but as soon > as the next message append

RE: delete all lines in a file save it come out

2004-08-31 Thread christopher . l . hood
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 31, 2004 6:50 AM To: [EMAIL PROTECTED] Subject: delete all lines in a file save it come out Hi , I have a problem in deleting all the lines in a file and saving it . Actually my log file keep

delete all lines in a file save it come out

2004-08-31 Thread Sudhakar . Gajjala
Hi , I have a problem in deleting all the lines in a file and saving it . Actually my log file keep appending all the messages for that i need to clean it up i.e delete all lines in it save it . when i do this initially file shows zero bytes , but as soon as the next message appends ,, file sizes j