You read in the lines, one after the other, in "$tempL", right? Now, if you have a counter which increases every time you start work on a new line, it would contain the line number, yes?
You only need to store this number every time you increase the counter in these lines:
Maybe this question is out there, but I searched and didnt see it.
To print my files I use
more filename | lpr -Pprinter
I would like to print my scripts with line numbers.
How do I do this? (2 Replies)
I know this must be really easy, but i can't get it to work
I've got a perl script, with a file.
I want to print an empty line, and the following doesn't seem to work:
print nameoffile "\n"
thanks for your help!! (3 Replies)
Hi,
I am stuck at this problem where part of my code would store all the websites that has been accessed by a user. I pull these values from a log file. I want to create a HASH of HASHES ? (Please correct me if this is not the right approach) where I would store all the hits to website with... (4 Replies)
Hi there
I have a hash of hashes made up of the following data
bge0|100|half|10.36.100.21
bge1|1000|full|10.36.100.22
bge2|1000|full|10.36.100.23
which when i turn into a hash, would look like this inside the system
bge0 ->
nic_speed -> 100
nic_duplex -> half
... (6 Replies)
I got multiple of documents in which i have to extract a line coming after a ID..The scenario is
Customer ID: none
VT : 002/89
Customer ID: Yes
VT: 001/89
Customer ID: none
VT: 006/85
Customer ID: Yes
VT: 003/56
I have to extract the id which is coming after YES..The output... (7 Replies)
hi dudes, I nee you kind assistance, I have to find the matched numbers from 2 text files and output of matched numbers should be in another text file..
I do have text files like this , for example
File 1
787
665*5-p
5454
545-p
445-p
5454*-p
File 2
5455
787
445-p
4356
2445
144
... (3 Replies)
Hi,
I have 80 large files, from which I want to get a specific value to run a Bash script. Firstly, I want to get the part of a file which contains this:
Name =A
xxxxxx
yyyyyy
zzzzzz
aaaaaa
bbbbbb
Value = 57
This is necessary because in a file there are written more lines which... (6 Replies)
Florida State University, Tallahassee, FL USA, Dr. Whalley, COP4342
1. The problem statement, all variables and given/known data:
Create a lex specification file that reads a C source program that ignores keywords and collects all identifiers (regular variable names) and also displays the line... (3 Replies)
Hi
I have no experience in Unix so any help would be appreciated
I have the flowing text
235543
123
45654
199
225
578
45654
199
225
I need to find this sequence from A file
45654
199
225 (22 Replies)
hi All ,
I am having a large file with lots of modules as shown below
###############################################
module KKK
kksd
kskks
jsn;lsm
jsnlsn;
Ring
jjsjsj
kskmsm
jjs
endmodule
module llll
1kksd11
k232skks
j33sn;l55sm (6 Replies)
Discussion started by: kshitij
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)