Hi! I'm somewhat new to Unix (I use it to fiddle, but not seriously), and at my work I have come to use it quite a bit. My question is this:
I want to create a script to take the tedium out of repetitious tasks. However, I need to pass a file name into the script in order for it to work.
... (5 Replies)
I have filenames
filenameA_fg_MMDDYY.tar.gz
filenameASPQ_fg_MMDDYY.tar.gz
filenameAFTOPHYYINGH_fg_MMDDYY.tar.gz
filenameAGHYSW_fg_MMDDYY.tar.gz
Is there a way I can extract the date out of these filenames?
Thanks in advance (2 Replies)
Hi all,
I'm using awk in a .ksh script to split one file by line prefix into different files (up to 4). The files are named after the prefix in the line, and a sequence no.
Is there any way to get the filenames in to variables too? I need _ftpfile1, _ftpfile2, _ftpfile3 and _ftpfile4 which are... (2 Replies)
Hi Folks,
I've searched for this for quite a while, but can't find any solution - hope someone can help.
I have various files with standard headers. eg.
<HEADER>
IP: 1.2.3.4
Username: Joe
Time: 12:00:00
Date: 23/05/2010
</HEADER>
This
is
a
test
and this part can be any size... (6 Replies)
Greetings.
I am trying to do a script that will do some file copying for me. Unfortunately I have spaces in the directory names (which I cannot change) and the result is someone hard to achieve in shell scripts. I have searched everywhere on the web but does not manage to find the answer to... (3 Replies)
Hi All,
I have a file, let's call it "info.tmp" that contains data like this ..
ABC123456
PCX333445
BCD789833
I need to read "info.tmp" and for each line add strings in a way that the final output is
put /logs/ua/dummy.trigger 'AAA00001.FTP.XXX.BLA03A01.xxxxxx(+1)'
where XXX... (5 Replies)
Hi Unix Gurus,
In a script, I am trying to extract unique text from a set of filenames.
I have certain files like below in a directory:
OPEN_INV_01012011.xls
OPEN_INV_01022011.xls
OPEN_INV_01032011.xls
CLOSE_INV_01012011.xls
CLOSE_INV_01022011.xls
I need to extract just "OPEN_INV_" ... (4 Replies)
Hello All,
Here is seeking a bit of help in trying to solve a problem.
I am required to create a csv file as shown below:
output.csv ->
output_1,output_2,output_3,...,output_<N>
filename1:20,filename2:30,filename3:30,...,filename<N>:30
by listing output_1, output_2,... , output<N> as... (3 Replies)
I've got a file that looks like this (spaces before first entries intentional):
12345650-000005000GL140227 ANNUAL HELC FEE EN
22345650-000005000GL140227 ANNUAL HELC FEE EN
32345650-000005000GL140227 ANNUAL HELC FEE EN
I want to read through the file line by line,... (6 Replies)
Hi All
I have 2 file . I need match the files based on key and then form a third file which have the matching values
FILE1:
10264;K*AD
10265;K*AIR
10266;K*AUTO
10267;K*BABY
10268;K* FOOD
FILE2:
10264;1055.83
10265;716.94
10267;331.80
10268;23283.33
OUTPUT (Needed)... (2 Replies)
Discussion started by: arunkumar_mca
2 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)