HELLO ALL,
URGENTLY NEEDED A SCRIPT TO SELECT AND DELETE LOWER AND MIXED CASE RECORDS FROM A COLUMN IN A TABLE.
FOR EXAMPLE : Table name is EMPLOYEE and the column name is CITY
and the CITY column records will be: Newyork
washington
... (1 Reply)
I am trying to do a directory search using grep to find all words from a txt file. And I am not getting correct results ..can someone help me out ...below is my code..
#1/bin/sh
for word in `cat test.txt`
do
grep -ir "$word" /cygdrive/c/test /cygdrive/d/test1
case $? in
0) echo "$word" >>... (3 Replies)
Hi all,
i have a data array as followes.
ARRAY=DFSG345GGG
ARRAY=234FDFG090
ARRAY=VDFVGBGHH
so on..........
i need all english letters to be change to lower case. So i am expecting to see
ARRAY=dfsg345ggg
ARRAY=234fdfg090
ARRAY=vdfvgbghh
so on........
If i have to copy this data in... (8 Replies)
Hi
I want to make string substitution ignoring case for search but respecting case for subtitute. Ex changing all occurences of "original" in a file to "substitute":
original becomes substitute
Origninal becomes Substitute
ORIGINAL becomes SUBSTITUTE
I know this a little special but it's not... (1 Reply)
Is there a command that can switch a character variable from UPPER case to lower case?
like
foreach AC ( ABC BCD PLL QIO)
set ac `COMMAND($AC)`
...
end
Thanks a lot! (3 Replies)
I just found out there were a big performance penalty for case insensitive "grep" on big files.
It would be understandable, except that the penalty seems to be exaggerated out of proportion.
A real example, if I only grep a single letter "V" (or "v") , without "-i", on a big file, (file... (10 Replies)
Hi all,
I am trying to find a way to change first letter in a word from lower case to upper case. It should be done for each first word in text or in paragraph, and also for each word after punctuation like
. ; : ! ?I found the following command
sed -i 's/\s*./\U&\E/g' $@ filenamebut... (7 Replies)
I want to search a file if it contains special strings and if yes, the records found should be mailed.
I can either do it with a temporary file:
/usr/bin/grep somestring somefile > /tmp/tempfile && /usr/bin/mail -s "Found something" email@mycomp.com < /tmp/tempfile... or by running the grep... (10 Replies)
Discussion started by: Cochise
10 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)