Hello,
Structure padding & structure size are different on Compaq & HP UNIX. When structures are transfered via netfork from Compaq to HP will this be a problem? If yes, what can be the solution?
Thanks,
shilpa (2 Replies)
I am writing a C program which a part of it needs to padding zero in front of a string. The program will get a sting from an ASCII file which the maxium length of this string is 5 char long. The string can sometimes less the 5 char long. In order to make it with the same length '0's are being... (3 Replies)
Hi
Can anyone tell me how to pad zeroes on the left side to a numeric string in unix shell scripting
Your answer is very much appreciated
Thanks
Vijay (2 Replies)
Hi,
Can someone explain what is byte padding?
For ex:
struct emp{
char s;
int b;
char s1;
int b1;
long b3;
char s3;
}
What will be the size of this structure?
Thanks (6 Replies)
I have a file with different character counts on each line
how do i make it with unique character counts.
example:
1st line : ABCD 011 XYZ 0000 YYYY BBB TEADINGDA
2nd line: ABCD 011 xys 0010 YYYY BBB TEAD
3rd line : ABCD 022 YXU 000 UUU BBB TE
1st line is 43... (3 Replies)
Hi all,
I have file with numeric values. I need to pad each value with leading zeros such that total lenght of each value is 16.
Example:
cat tmp.txt
502455
50255
5026
5027
5028
Output
0000000000502455
0000000000050255
0000000000005026
0000000000005027
0000000000005028
Any... (12 Replies)
I have a file with records containing dates like:
SMPBR|DUP-DO NOT USE|NEW YORK||16105|BA5270715|2007-6-6|MWERNER|109||||JOHN||SMITH|MD|72211118||||||74559|21 WILMINGTON RD||D|2003-11-6|SL# MD CONTACT-LIZ RICHARDS|||0|Y|N||1411458|
How can I get the date fields in each of my records to be... (1 Reply)
Hi Friends,
I would like to left pad with "0's" on first column say (width six)
I have a large file with the format:
FILE:
1: ALFRED 84378 NY
8385: JAMES 88385 FL
323: SMITH 00850 TX
My output needs to be like:
000001: ALFRED 84378 NY
008385: JAMES 88385 FL
000323: SMITH... (10 Replies)
Hi all
Is there a way to pad the output of a bash script
see that code below
for i in `sed -n '/Start Printer/,/End Printer/p' /u/ab/scripts/hosts.conf | awk '!/^#/ {print $2}' | egrep -v 'broke|primera' `; do
pages=`snmpget -Ov -v1 -c public $i sysLocation.0 | awk '{print $2}'`
... (3 Replies)
I have this csv file that I would like to sort on the 20th and 21st field. They are high lighted below. My challenge is that when I sort on those fields they are not in order as I would have liked. It seems like I have to pad those fields to the longest value in that fields data.
... (6 Replies)
Discussion started by: GroveTuckey
6 Replies
LEARN ABOUT DEBIAN
devel::refcount
Devel::Refcount(3pm) User Contributed Perl Documentation Devel::Refcount(3pm)NAME
"Devel::Refcount" - obtain the REFCNT value of a referent
SYNOPSIS
use Devel::Refcount qw( refcount );
my $anon = [];
print "Anon ARRAY $anon has " . refcount($anon) . " reference
";
my $otherref = $anon;
print "Anon ARRAY $anon now has " . refcount($anon) . " references
";
DESCRIPTION
This module provides a single function which obtains the reference count of the object being pointed to by the passed reference value.
FUNCTIONS
$count = refcount($ref)
Returns the reference count of the object being pointed to by $ref.
COMPARISON WITH SvREFCNT
This function differs from "Devel::Peek::SvREFCNT" in that SvREFCNT() gives the reference count of the SV object itself that it is passed,
whereas refcount() gives the count of the object being pointed to. This allows it to give the count of any referent (i.e. ARRAY, HASH,
CODE, GLOB and Regexp types) as well.
Consider the following example program:
use Devel::Peek qw( SvREFCNT );
use Devel::Refcount qw( refcount );
sub printcount
{
my $name = shift;
printf "%30s has SvREFCNT=%d, refcount=%d
",
$name, SvREFCNT($_[0]), refcount($_[0]);
}
my $var = [];
printcount 'Initially, $var', $var;
my $othervar = $var;
printcount 'Before CODE ref, $var', $var;
printcount '$othervar', $othervar;
my $code = sub { undef $var };
printcount 'After CODE ref, $var', $var;
printcount '$othervar', $othervar;
This produces the output
Initially, $var has SvREFCNT=1, refcount=1
Before CODE ref, $var has SvREFCNT=1, refcount=2
$othervar has SvREFCNT=1, refcount=2
After CODE ref, $var has SvREFCNT=2, refcount=2
$othervar has SvREFCNT=1, refcount=2
Here, we see that SvREFCNT() counts the number of references to the SV object passed in as the scalar value - the $var or $othervar
respectively, whereas refcount() counts the number of reference values that point to the referent object - the anonymous ARRAY in this
case.
Before the CODE reference is constructed, both $var and $othervar have SvREFCNT() of 1, as they exist only in the current lexical pad. The
anonymous ARRAY has a refcount() of 2, because both $var and $othervar store a reference to it.
After the CODE reference is constructed, the $var variable now has an SvREFCNT() of 2, because it also appears in the lexical pad for the
new anonymous CODE block.
PURE-PERL FALLBACK
An XS implementation of this function is provided, and is used by default. If the XS library cannot be loaded, a fallback implementation in
pure perl using the "B" module is used instead. This will behave identically, but is much slower.
Rate pp xs
pp 225985/s -- -66%
xs 669570/s 196% --
SEE ALSO
o Test::Refcount - assert reference counts on objects
AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
perl v5.14.2 2011-11-15 Devel::Refcount(3pm)