Hi All,
I have a comma separated value (.CSV) file like the one below. The file contains about 20000 lines.
FileName
EmpNo,Name,Age,Sex,Band,Spouse,Children,Salary,
1000,Arnold,24,M,B,N.A.,No,10000,
1001,Jenny,27,F,C,John,2,20000,
...................................
What i need is to... (1 Reply)
Problem discription:
I have many files which contain the same lines.
for instance, (15 lines) file1 ..last column add by hand arbitrarily.
1.78116800 0.68396600 0.00061900
0.47641600 -0.49794500 -0.00024000
-1.70662800 0.29577100 0.67863600
-1.70647600 0.29654600 ... (9 Replies)
Dear friends,
Below is my program and current output. I wish to have 3 or 4 column output in order to accomodate in single page. i do have subsequent command to process after user enter the number.
Program
COUNT=1
for MYDIR in `ls /`
do
VOBS=${MYDIR}
echo "${COUNT}. ${MYDIR}"
... (4 Replies)
Hi,
Can some one guide me to identify the position of a character using index in UNIX.
I have a record like "17/11/2010 15:16:39;reject;10.44.48.65;daemon alert; src: 10.44.48.112; dst: 172.21.52.88" . I need to identify the value which comes after _src:_ (_ denotes space).
I am able to... (15 Replies)
Hi,
Let say I have a file which has around 400 fields.
SampleFile
=========
PATIENTID|FACILITY|................|TIME_LAST_VISITED_BY_MD|.....|STATUS|
How is it possible to find out which field is TIME_LAST_VISITED_BY_MD?fro example by seeing the above structure we can saw FACILITY... (5 Replies)
Currently the table looks like this
student-id,last,first,hwk1,hwk2,hwk3,exam1,hwk4,hwk5,exam2
pts-avail,,,100,150,100,200,100,150,300
991-78-7872,Thompson,Ken,95,143,79,185,95,135,259
123-45-6789,Richie,Dennis,99,123,89,189,97,139,279
234-56-7891,Aho,Al,78,146,75,176,88,128,285... (3 Replies)
I am interested in finding a regex to find a word in second position on a line. The word in question is या
I tried the following PERL EXPRESSION but it did not work:
] या
or
^\W या
But both gave Null results
I am giving below a Sample file:
देना या सौंपना=delegate
तह जमना या... (8 Replies)
hi guys,
i want command or script to display the content of file from 2nd position to last but one position of a file
abcdefghdasdasdsd
123,345,678,345,323
434,656,656,656,656
678,878,878,989,545
4565656667,65656
i want to display the same above file without first and... (2 Replies)
Hi,
I have a file like this (about 8 columns in total, this being the 2nd column)
gi_49482297_ref_YP_039521.1_
gi_49482297_ref_YP_039521.1_
gi_49482315_ref_YP_039539.1_
gi_49482315_ref_YP_039539.1_I want to remove the _ at the end of the line.
And at later stages I would want to replace the... (5 Replies)
Hi everyone..
I have a list of values in a file...
a,
b,
c,
1,
2,
3,
aaaa,
bbbbb,
I am interested in converting this column to a row..
"text",aaaa,
bbbb
a,1 (7 Replies)
Discussion started by: manihi
7 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)