I have a data file. I want to write a shell script that reads a data file and reads position 19 thru 24. if the data in those fields is 002006, than it should change it to 002007.
example:
hello world hello 002006 hello world hello world
hello world hello 002005 hello world hello world... (6 Replies)
Let say in a file I have lines of data like this :
13;2073;461496;15075341;3;001f7d3a;2042063674;
13;2074;461446;15080241;6;001ed33a;2042020154;
13;2075;461401;15085270;6;001f593b;2042054459;
13;2076;461381;15087160;6;001f7483;2042061443;
13;2077;461419;15083419;6;001eca1a;2042017818;
I... (3 Replies)
Hi all,
Let say I have 2 files, 1 is source file and another is destination file.
Source file contains the following :
Kitten
Dogs
Donkey
Chicken
Turkey
And destination file contains :
Kitten, 0
Dogs, 0
Donkey, 0
Chicken, 0
Turkey, 0
Kitten, 0
Dogs, 0
Donkey, 0 (16 Replies)
Hi all,
I have this source file source.txt :
hdrEthernetSwitch1IPAddress 112.13.9.34
hdrEthernetSwitch2IPAddress 112.13.8.245
noOfRevASLAvailable 8000
noOfRevASLInUse 122
maxDOSPayload 7777
pcmdEvdoRUM Enabled
pcmdEvdoFlow Enabled
And I have this datafile to be modified :
... (5 Replies)
I have an array
X = ( -100 -90 -80 -70 -60 -50 -40 30 40 50 60 70 80 90 100 )
I want to find the place where values change from negative to positive. (8 Replies)
Hello Guys
I need your suggestions for the below
We have few unix jobs running in different queues
Is there any way I can manage which jobs goes to which queue and to change their nice value as well
Thanks a lot for your valuable suggestions (1 Reply)
Hi all,
i need help to replace certain values in a file. I need the script to check and match the ID and exNum1. if match, values in $3 (file2.txt) need to replace the value for 'START' (file1.txt) for each match.
The sample structure is like this:-
File1.txt
ID P_6
START ... (4 Replies)
This is my first time posting here...so be gentle.
Suppose I have a test.conf file that contains a value such as a IP. I would like to be able to use the Dialog Utility in Linux to allow me to enter the new IP in a Dialog form...and the results get saved into the test.conf file in the place... (4 Replies)
I have xml file like below, i want change the values at default-value place of each argument name using shell script. like
where argument name= protocol and default-value=tcp,
where argument name =port and default-value= 7223,
where argument name = username and default-value=test,
example
... (12 Replies)
Hello all,
I have a file looks like a xml file:
....
<SrcIntDef>WAUXDFXXX<\SrcIntDef>
<SrcIntRep>WUBGIUNXXX<\SrcIntRep>
...
For these 2 lines I will change the values. So for result it should look like:
...
<SrcIntDef>WUBGIUNXXX<\SrcIntDef>
<SrcIntRep>WAUXDFXXX<\SrcIntRep>... (4 Replies)
Discussion started by: API
4 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)