Title: Convert int to bitstring
I want to convert int(255) to a string of 8 ones (). I have been trying to use unpack, but am missing something basic I think.
I was also playing with the following with less than successful results. What am I doing wrong? One guess was the the @mask
Title: Convert int to bitstring
Here is one using printf and you could use
sprintf:
$_ = "255.255.255.224";
foreach ( split(/\./, $_ ) ) { printf "%b\n",
$_;}
Output:
1110
Wags ;)
-Original Message-From: Bullock, Howard A.
[mailto:[EMAIL
I want to convert int(255) to a string of 8 ones (). I have
been trying to use unpack, but am missing something basic I think.
I was also playing with the following with less than successful
results. What am I doing wrong? One guess was the the @mask elements
are string values
I want to convert int(255) to a string of 8 ones (). I have been
trying to use unpack, but am missing something basic I think.
I was also playing with the following with less than successful results.
What am I doing wrong? One guess was the the @mask elements are string
values and
[EMAIL PROTECTED] wrote
: Bullock, Howard A. wrote
: I want to convert int(255) to a string of 8 ones (). I have
: been trying to use unpack, but am missing something basic I think.
: I was also playing with the following with less than successful
: results. What am I doing wrong? One
Since it is, in fact, eight bits, you can use chr(255) instead of pack.
Thanks to everyone that responded.
The above statement made the fog clear.
I wanted to count the set bits in a subnet mask so I started with:
$mymaskval = ($mask[0]24)|($mask[1]16)|($mask[2]8)|$mask[3];
and ended up
Is there a way to open a text file in PERL, and search through it,
replacing a certain string with another string?
Thanks-
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Here's one way to do it. The code is readable versus efficient.
Note that this preserves the original file in case you screw up.
#!/usr/bin/perl -w
# search and replace
my ($search, $newstr, $file, $temp, $counter);
usage() unless scalar(@ARGV) = 1;
print Pattern to search for: ;
Lee Clemmer [EMAIL PROTECTED] wrote:
s/$search/$newstr/i
You might want to modify this to
s/$search/$newstr/igo
The o promises Perl you will never change the $search string. Perl will
then put it through the regular expression compiler the first time it's
encountered, and you _should_
Lee Clemmer [EMAIL PROTECTED] wrote:
s/$search/$newstr/i
You might want to modify this to
s/$search/$newstr/igo
Ah, I realized after I sent it that greedy wasn't set. Oops. But I
didn't know about the o, though.
The o promises Perl you will never change the $search string. Perl
will then
You can do it right at the command line...
** make a backup of the file first just in case!! **
perl -pi -e s|replace this text|with this text|g somefile.txt
It will open somefile.txt, run the regex on each line of the file, and
replace the current file with the updated text.
Take a look at
You can do it right at the command line...
Now why would we want do to something that fast easy?! ;)
Lee
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-Original Message-
You can do it right at the command line...
** make a backup of the file first just in case!! **
perl -pi -e s|replace this text|with this text|g somefile.txt
Why make a backup FIRST? Try this...
perl -pi.bak -e s|this|that|igo somefile.txt
LEGAL NOTICE
David Stoltz wrote:
I'm a PERL newbie, and have a pretty simply question.
I am running a Windows 2000 server, with Active States latest version of
ActivePerl running on it...
I have a line in a script I need to modify:
!/usr/bin/perl -w
~needs to point to d:\perl
What's the right syntax?
- Original Message -
From: Scott Scecina [EMAIL PROTECTED]
To: Randy Kobes [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Thursday, December 19, 2002 1:11 AM
Subject: RE: Problems creating ppd's for use with ppm3
No, it happens on 5.6.1.633 also. I'd just been telling people to use
Bill is right of course. However, if youre running IIS, which I think you are then
you have to fire off the Perl by pointing to the exact location of Perl.
My system:
C:\Perl\bin\perl.exe
Sometimes and I can't quite remember what script[s] it was, you can leave off the .exe
and just look into
On Wed, 18 Dec 2002, Scott Scecina wrote:
No, it happens on 5.6.1.633 also. I'd just been telling people to use
ppm(2). Now that I'm rebuilding them for 5.8, I'd like to figure out the
problem since ppm(3) is the default...
Should the make ppd on 5.8 insert the correct architecture (it
- Original Message -
From: Sisyphus [EMAIL PROTECTED]
But the 'codebase href' requirement seems also to have changed. Instead of
just providing the some-package.ppd (which, under ppm2, was all that was
required) they are now giving
MSWin32-x86-multi-thread-5.8/some-package.ppd.
I will be out of the office starting 12/18/2002 and will not return until
01/06/2003.
I will respond to your message when I return on 01/06/03
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