Re: Arrays, Dates, Indexing and Initialisation

Soham Das wrote: a... How do I initialise an array of a definite size with zero. Say the C equivalent of such a statement will be: int a[125]; for(i=0;i<125;i++) a[i]=0; You easily can, but why would you? It is often a sign of b

Re: Arrays, Dates, Indexing and Initialisation

r...@i.frys.com wrote: Soham Das wrote: int a[125]; for(i=0;i<125;i++) a[i]=0; my @array; $array[$_] = 0 for 0..125; s/125/124/ -- Ruud -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: be

Re: Arrays, Dates, Indexing and Initialisation

Soham Das wrote: My agenda actually is two pronged. I have read Beginning Perl and a bit of Intermediate Perl, though was able to solve individual problems, but I was not sure,if I can code myself out of a wet paperbag. So I thought, lets chuck theory. Its better to get hands dirty with some r

Re: Arrays, Dates, Indexing and Initialisation

Soham - Original Message From: Shawn H Corey To: Uri Guttman Cc: Soham Das ; beginners@perl.org Sent: Monday, 28 September, 2009 10:45:33 PM Subject: Re: Arrays, Dates, Indexing and Initialisation Uri Guttman wrote: > only for ++/-- and +=/-= will that work with no warnings. if he uses an > un

Re: Arrays, Dates, Indexing and Initialisation

Uri Guttman wrote: only for ++/-- and +=/-= will that work with no warnings. if he uses an undef value in another arithmetic expression it will warn. Also, undef values work in if/unless and while/until conditions. Usually when you see indexes used with arrays, it is because the programmer do

Re: Arrays, Dates, Indexing and Initialisation

> "SHC" == Shawn H Corey writes: SHC> Soham Das wrote: >> a.. How do I initialise an array of a definite size with zero. Say the C equivalent of such a statement will be: >> int a[125]; >> for(i=0;i<125;i++)a[i]=0; SHC> Not needed. Perl assume zero if a non-ex

Re: Arrays, Dates, Indexing and Initialisation

> "JK" == Jenda Krynicky writes: >> > >> > a.. How do I initialise an array of a definite size with >> > zero. Say the C equivalent of such a statement will be: >> my @array; >> $array[$_] = 0 for 0..125; JK> my @array = (0) x 126; and a question for the OP is why do you need t

Re: Arrays, Dates, Indexing and Initialisation

Thanks Shawn, yes hashes I guess will be the way to go forward. Soham - Original Message From: Shawn H Corey To: Soham Das Cc: beginners@perl.org Sent: Monday, 28 September, 2009 9:50:18 PM Subject: Re: Arrays, Dates, Indexing and Initialisation Soham Das wrote: > a.. How d

Re: Arrays, Dates, Indexing and Initialisation

Wow! sweet! Hi Jenda, thanks for the help. And I guess, for the dates problem I have to use hashes, eh? Soham - Original Message From: Jenda Krynicky To: beginners@perl.org Sent: Monday, 28 September, 2009 9:50:40 PM Subject: Re: Arrays, Dates, Indexing and Initialisation Date

Re: Arrays, Dates, Indexing and Initialisation

Soham Das wrote: a.. How do I initialise an array of a definite size with zero. Say the C equivalent of such a statement will be: int a[125]; for(i=0;i<125;i++) a[i]=0; Not needed. Perl assume zero if a non-existing element is u

Re: Arrays, Dates, Indexing and Initialisation

Date sent: Mon, 28 Sep 2009 09:11:02 -0700 Subject:Re: Arrays, Dates, Indexing and Initialisation From: r...@i.frys.com To: "Soham Das" Copies to: beginners@perl.org > Soham Das wrote: > > Hello Al

Re: Arrays, Dates, Indexing and Initialisation

Soham Das wrote: > Hello All, > > I wanted some guidance with these questions of mine: > > a.. How do I initialise an array of a definite size with > zero. Say the C equivalent of such a statement will be: > >int a[125]; >for(i=0;i<125;i++) >

Re: Arrays and Lists

On 10/29/07, Tom Phoenix <[EMAIL PROTECTED]> wrote: > An array is the kind of variable which holds > a list; a list is the kind of data which is stored in an array. You > can use the list contained in an array, and you can store a list into > an array. But the array is the container, and the list

Re: arrays and chomp function

On 7/30/07, Rob Dixon <[EMAIL PROTECTED]> wrote: > Bryan Harris wrote: > > > > I'm not sure I understand why this is happening. Maybe someone can > > explain it to me. No matter how many times I use the chomp() function > > on my array, when I print the array it always prints the newlines. > > Bu

Re: arrays and chomp function

Bryan Harris wrote: I'm not sure I understand why this is happening. Maybe someone can explain it to me. No matter how many times I use the chomp() function on my array, when I print the array it always prints the newlines. But I have another array, which will print without the newlines. In t

Re: arrays and chomp function

Bryan Harris wrote: Hi, I'm not sure I understand why this is happening. Maybe someone can explain it to me. No matter how many times I use the chomp() function on my array, when I print the array it always prints the newlines. But I have another array, which will print without the newlines.

Re: arrays

On Mon, 14 Mar 2005 03:50:19 +0100, John Doe <[EMAIL PROTECTED]> wrote: > Am Montag, 14. März 2005 03.30 schrieb Grant: > > > > Thanks guys, I've almost got it. I need to save the title and URL of > > > > each result in the array to a different "scratch" variable so I can > > > > use it outside of

Re: arrays

> > > > Thanks guys, I've almost got it. I need to save the title and URL of > > > > each result in the array to a different "scratch" variable so I can > > > > use it outside of the script. The following works great, but of > > > > course it only saves the last set of results from the loop. > >

Re: arrays

Am Montag, 14. März 2005 03.30 schrieb Grant: > > > Thanks guys, I've almost got it. I need to save the title and URL of > > > each result in the array to a different "scratch" variable so I can > > > use it outside of the script. The following works great, but of > > > course it only saves the l

Re: arrays

> > Thanks guys, I've almost got it. I need to save the title and URL of > > each result in the array to a different "scratch" variable so I can > > use it outside of the script. The following works great, but of > > course it only saves the last set of results from the loop. > > foreach my $resu

Re: arrays

Am Montag, 14. März 2005 02.16 schrieb Grant: [...] > Thanks guys, I've almost got it. I need to save the title and URL of > each result in the array to a different "scratch" variable so I can > use it outside of the script. The following works great, but of > course it only saves the last set of

Re: arrays

> > I've got an array returned from Google's API and I need to get the > > data out of it. The best I can do right now is: > > > > ARRAY(0x8262e088) > > What you got is an reference to an array (an arrayref); printed out it looks > linke something above. > > To access the array referenced to it

RE: arrays

Grant wrote: : I've got an array returned from Google's API and I need to : get the data out of it. The best I can do right now is: : : ARRAY(0x8262e088) : : Can anyone help me out? Looks like you are printing a reference to an array. You can examine all its cont

Re: arrays

Am Sonntag, 13. März 2005 23.47 schrieb Grant: > I've got an array returned from Google's API and I need to get the > data out of it. The best I can do right now is: > > ARRAY(0x8262e088) What you got is an reference to an array (an arrayref); printed out it looks linke something above. To acc

Re: arrays/hashes

On Feb 19, 2004, at 1:25 PM, [EMAIL PROTECTED] wrote: Thought i'd address the build portion below, to see if i'm not utilizing PERL's strengths correctly. First PERL i've written in 3+ years. Perl. The language you are relearning is called Perl, not PERL. ;) James -- To unsubscribe, e-mail:

Re: arrays/hashes

Hi Jeffrey. >> There are several questions here, so I've answered in-line. Rob, thanks a ton. that worked perfectly, as has the rest of the processing of the larger hash. Thought i'd address the build portion below, to see if i'm not utilizing PERL's strengths correctly. First PERL i've wr

Re: arrays/hashes

Hi Jeffrey. There are several questions here, so I've answered in-line. Jeffrey N Dyke wrote: > > I had a simple array in mind, but as i got reacquainted with PERL, with the > help of the list, i realized i was thinking to small. (that's always > dangerous) On the contrary, I think thinking BIG

RE: arrays

[EMAIL PROTECTED] Sent: Monday, August 04, 2003 11:50 To: [EMAIL PROTECTED] Subject: Re: arrays Hi, if we have @routers. you can do this my ($c, $line); $c=0; foreach $line(@routers){ $line = $line." P *NULL*"; push @newrouters, $line; } or to use the $c foreach

Re: arrays

Jonathan Musto wrote: > > Hi there, Hello, > I've got an array of lines, split up by spaces as follows: > > Sun-router rack1.2 leeds > Cisco-router rack3.2 skem > Sun-switch rack2.3 manchester > etc. > > How can i add the following to the end of each line, P *NULL*?... e.g. > > Sun-router

RE: arrays

[EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: : @array = map {"$_ P *NULL*"} (@array); That solution makes a nice subroutine: my @array = ( 'Sun-router rack1.2 leeds', 'Cisco-router rack3.2 skem', 'Sun-switch rack2.3 manchester', ); concat_array( ' P *NULL*', [EMAIL PROTECTED] );

Re: arrays

Hi, sorry my last post but actually this is quite good and better @array = map {"$_ P *NULL*"} (@array); Award -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

Re: arrays

Hi, if we have @routers. you can do this my ($c, $line); $c=0; foreach $line(@routers){ $line = $line." P *NULL*"; push @newrouters, $line; } or to use the $c foreach $line (@routers){ @routers[$c] = $line." P *NULL*"; $c++; } "Jonathan Musto" <[EMAIL PROTECTED]> wro

RE: arrays

@array = map {"$_ P *NULL*"} (@array); -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Monday, August 04, 2003 12:18 PM To: [EMAIL PROTECTED] Subject: arrays Hi there, I've got an array of lines, split up by spaces as follows: Sun-router rack1.2 leeds Cisco

Re: arrays and hashes

On Friday, June 6, 2003, at 07:05 PM, R. Joseph Newton wrote: The point here is that the essential purpose of the key is that of a pointer, rather thanas data in itself. There are applications of a Perl hash where one does not even need to use the value, finding all the unique words in a documen

Re: arrays and hashes

R. Joseph Newton wrote: > Rob Dixon wrote: > > > James Edward Gray II wrote: > > > On Friday, June 6, 2003, at 03:32 AM, R. Joseph Newton wrote: > > > > > > > The player's name IS the number. No other numbering system is > > > > needed. The players name is NEVER stored in the hash, AFAIK. The >

Re: arrays and hashes

R. Joseph Newton wrote: > Rob Dixon wrote: > > > James Edward Gray II wrote: > > > On Friday, June 6, 2003, at 03:32 AM, R. Joseph Newton wrote: > > > > > > > The player's name IS the number. No other numbering system is > > > > needed. The players name is NEVER stored in the hash, AFAIK. The >

Re: arrays and hashes

Rob Dixon wrote: > James Edward Gray II wrote: > > On Friday, June 6, 2003, at 03:32 AM, R. Joseph Newton wrote: > > > > > The player's name IS the number. No other numbering system is > > > needed. The players name is NEVER stored in the hash, AFAIK. The > > > name is used to feed a hashing f

Re: arrays and hashes

James Edward Gray II wrote: > On Friday, June 6, 2003, at 03:32 AM, R. Joseph Newton wrote: > > > The player's name IS the number. No other numbering system is > > needed. The players name is NEVER stored in the hash, AFAIK. The > > name is used to feed a hashing function, which renders an ind

Re: arrays and hashes

"R. Joseph Newton" wrote: > Stuart White wrote: > > > This does make it clearer, but not entirely. Is this > > what is happening: the loop starts, and goes > > immediately into the if statement. when the regex > > finds a line with "Jump Shot" it stores that in $2, > > and the player name in $1.

Re: arrays and hashes

James Edward Gray II wrote: > On Friday, June 6, 2003, at 03:32 AM, R. Joseph Newton wrote: > > > The player's name IS the number. No other numbering system is > > needed. The players name is NEVER stored in the hash, AFAIK. The > > name is used to feed a hashing function, which renders an inde

Re: arrays and hashes

On Friday, June 6, 2003, at 03:32 AM, R. Joseph Newton wrote: The player's name IS the number. No other numbering system is needed. The players name is NEVER stored in the hash, AFAIK. The name is used to feed a hashing function, which renders an index into the storage of the hash structure.

Re: arrays and hashes

Stuart White wrote: > This does make it clearer, but not entirely. Is this > what is happening: the loop starts, and goes > immediately into the if statement. when the regex > finds a line with "Jump Shot" it stores that in $2, > and the player name in $1. The next thing it does, > and I'm not

Re: arrays and hashes

Stuart White wrote: > Ok, I think I get it. the $_ is printing the player > name, (though I don't know why I'm not using $1 $1 is a special-purpose variable used only in relation to regexes. The default variable for looping structures will be contained in $_. > > instead for that) and the $line

Re: arrays and hashes

Stuart White wrote: > Hey, thanks that worked! > > --- James Edward Gray II <[EMAIL PROTECTED]> > wrote: > > > I don't seen any reason to use the array at all, so > > I've removed it. > > If you had one that I just didn't know about, send > > it on back. > > That's how I tried to solve this piece

Re: arrays and hashes

Stuart White wrote: > > Right now my array is just like that, minus the > numbers. So what I want to do is assign the array to > a hash. If I were to do that, my understanding is > that the names would be keys and the numbers values, > and doing such an assignment in a loop would cause > some en

Re: More Jump Shots ;-) [Was Re: arrays and hashes]

In article <[EMAIL PROTECTED]>, Tassilo Von Parseval wrote: [...] > If you from then on referred to elements of the hash with something like > > $score_ref->{ key }; > > then this would be it. It depends on what you want. By dereferencing the > whole data-structure you're essentially creating

Re: More Jump Shots ;-) [Was Re: arrays and hashes]

On Tue, Jun 03, 2003 at 08:36:05PM +0200 Kevin Pfeiffer wrote: > Since it seemed like a nice exercise to work on I played with this some > myself. Goals being to try to avoid global variables, use subroutines and > keep MAIN 'uncluttered' and pass arguments to subs as needed. > > I think I did

More Jump Shots ;-) [Was Re: arrays and hashes]

Since it seemed like a nice exercise to work on I played with this some myself. Goals being to try to avoid global variables, use subroutines and keep MAIN 'uncluttered' and pass arguments to subs as needed. I think I did okay (holding breath), but I'm wondering about things like: my @sorted_ke

Re: arrays and hashes

This is good explanation. Thanks. > Hi Stuart, > > This is so useful and easy that it's worth really > understanding. Here's a > non-programming metaphor: > > As each player makes a shot he calls out his name > ($1): "smith". The > scorekeeper says, "ah, smith ($score{smith}) - let's > add 1

Re: arrays and hashes

On Monday, June 2, 2003, at 10:06 PM, Stuart White wrote: This does make it clearer, but not entirely. Is this what is happening: the loop starts, and goes immediately into the if statement. when the regex finds a line with "Jump Shot" it stores that in $2, and the player name in $1. Yes, this

Re: arrays and hashes

On Monday, June 2, 2003, at 08:10 PM, Stuart White wrote: Ok, I think I get it. the $_ is printing the player name, (though I don't know why I'm not using $1 instead for that) $1 contains the first capture of the last match we did. When you're using match variables like that, store them somewh

Re: arrays and hashes

John W. Krahn wrote at Mon, 02 Jun 2003 14:44:41 -0700: > You should probably use an array to keep the correct order and a hash to > keep the count: Or to use Tie::IxHash. Greetings, Janek -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

Re: arrays and hashes

In article <[EMAIL PROTECTED]>, Stuart White wrote: > This does make it clearer, but not entirely. Is this > James wrote: >> This is a common Perl technique, often used with a >> hash named '%seen' >> because that's exactly what it's keeping track of. >> $1 is where you >> were capturing your n

Re: arrays and hashes

This does make it clearer, but not entirely. Is this what is happening: the loop starts, and goes immediately into the if statement. when the regex finds a line with "Jump Shot" it stores that in $2, and the player name in $1. The next thing it does, and I'm not quite sure how, is it populates a

Re: arrays and hashes

Ok, I think I get it. the $_ is printing the player name, (though I don't know why I'm not using $1 instead for that) and the $linehash{$_} means, in English, "the value of the key stored in $_" is that right? Thanks for all your help. --- James Edward Gray II <[EMAIL PROTECTED]> wrote: > Print

Re: arrays and hashes

Print it like this, it's easier: print "$_ : $linehash{$_}\n" foreach (sort keys %linehash); James On Monday, June 2, 2003, at 07:03 PM, Stuart White wrote: One more thing, if I want to sort the hash alphabetically by key where do I put the sort function? I tried it before the while loop that

Re: arrays and hashes

On Monday, June 2, 2003, at 06:54 PM, Stuart White wrote: I don't understand this syntax: $linehash{$1}++; Could you explain it to me? Absolutely. This is a common Perl technique, often used with a hash named '%seen' because that's exactly what it's keeping track of. $1 is where you were ca

Re: arrays and hashes

One more thing, if I want to sort the hash alphabetically by key where do I put the sort function? I tried it before the while loop that does the printing and on the each function (sort(each(%linehash))) and that just gave me numbers first, colon, player names. and I figure that it wouldn't work

Re: arrays and hashes

Hey, thanks that worked! --- James Edward Gray II <[EMAIL PROTECTED]> wrote: > I don't seen any reason to use the array at all, so > I've removed it. > If you had one that I just didn't know about, send > it on back. That's how I tried to solve this piecewise, I thought an array was necessary,

Re: arrays and hashes

Hey, thanks that worked! --- James Edward Gray II <[EMAIL PROTECTED]> wrote: > I don't seen any reason to use the array at all, so > I've removed it. > If you had one that I just didn't know about, send > it on back. That's how I tried to solve this piecewise, I thought an array was necessary,

Re: arrays and hashes

On Monday, June 2, 2003, at 05:12 PM, Stuart White wrote: Hmm, this might actually be more productive I showed less abstract example lines. Not sure I understand perfectly yet, but I'll give it another go. I don't seen any reason to use the array at all, so I've removed it. If you had one that

Re: arrays and hashes

> You should probably use an array to keep the correct > order and a hash to > keep the count: > I don't really understand what you mean. __ Do you Yahoo!? Yahoo! Calendar - Free online calendar with sync to Outlook(TM). http://calendar.yahoo.com -- To unsubscr

Re: arrays and hashes

> > m> cc: > > > > Subj

Re: arrays and hashes

<[EMAIL PROTECTED]To: [EMAIL PROTECTED] m> cc:

Re: arrays and hashes

Hmm, this might actually be more productive I showed less abstract example lines. (I couldn't do this before as I didn't have the code in front of me.) Here is an example of the lines that my code is selecting and then extracting a player name and jump shot attempt(working on this part) then putti

Re: arrays and hashes

Stuart White wrote: > > I am reading in a file of one line sentences, and then > selecting to store several sentences into an array > based upon the presence of some key words. I then > want to assign the array to a hash. The output of the > array will look something like this: > > Player1: 1 >

Re: arrays and hashes

On Monday, June 2, 2003, at 04:02 PM, Stuart White wrote: Also, to get the numbers to the right of the colon, I'd have to have a count for each occurrence of each player, how might I do that? Perhaps with something like: my %hash; $hash{ (split /:/, $_)[0] }++ foreach (@array); That just walks t

Re: arrays and subroutines

David Newman wrote: > Greetings. I have a newbie question about passing arrays into a subroutine > (and getting return values as well). Hi David, I can't help much as far as passing or returning whole arrays, but there is a much better way to access arrays from inside a function. I'll show you

Re: arrays and subroutines

You need to pass the array to the function by reference, here's the fix. &spin([EMAIL PROTECTED]); sub spin { $arr = shift; for (; $count > 0; $count--) { push(@$arr, $start++); } } but if all you want to do is to populate your array with value between 1025 to 1035, here's a clean

Re: arrays and references etc....

Kris Gaethofs wrote: > Hi, > > I could use some help with the following problem: > > I have this input file that looks like this (after some processing): > > %1%MO%1s%.%-.0003%.%.0003%.0002%.0006%-.0005%.0020%-.0035%.0006 > %2%MO%1s%-.0001%-.0021%-.0003%.0018%.0015%.0042%-.0034%.0136%-.023

Re: Arrays inside

On Sep 6, Tobin, Elliot said: >sub setFields > { >my ($inBlock, @fieldList) = @_; > >foreach my $i (@fieldList) >{ > push($inBlock->{'fields'}, $i); You'd need to say push @{ $inBlock->{fields} }, $i; >} > >return $inBlock; > } But given your current function, it's

Re: Arrays inside

On Friday, September 6, 2002, at 08:54 AM, Tobin, Elliot wrote: > I have the following as my data inside a package: > > my $dataBlock = { isInsertable=> $isInsertable, > fields => undef, fields

RE: Arrays inside

see inline comments: > -Original Message- > From: Tobin, Elliot [mailto:[EMAIL PROTECTED]] > Sent: Friday, September 06, 2002 9:55 AM > To: '[EMAIL PROTECTED]' > Subject: Arrays inside > > > I have the following as my data inside a package: > > my $dataBlock = { isInsertable

RE: Arrays inside

> -Original Message- > From: Tobin, Elliot [mailto:[EMAIL PROTECTED]] > Sent: Friday, September 06, 2002 9:55 AM > To: '[EMAIL PROTECTED]' > Subject: Arrays inside > > > I have the following as my data inside a package: > > my $dataBlock = { isInsertable=> $isInsertab

Re: arrays + split

On Feb 27, Stuart Clark said: >Hi All, > >How do i gather an array of data from a line which has no delimiters. >The data is put into positions relative to the start of the line. >#string 1 will be position 1-5 on the line >#string 2 will be position 6-15 on the line >#string 3 will be position

RE: arrays + split

I thank you will have to use substr since you have daffygoofy and you have nothing to split on, so use substr to get the data. Wags ;) -Original Message- From: Stuart Clark [mailto:[EMAIL PROTECTED]] Sent: Tuesday, February 26, 2002 19:57 To: perllist Subject: arrays + split H

Re: @arrays and more

On Feb 25, Carlo Sayegh said: >print "\nPlease state below your duties as $function >adminstrator. Press then<^D> twice when done.\n\n"; > >while (<>) { >if ( (/^DONE/) ) { >last; >} >} > >@data1 = ; >chomp (@data1); Uh do you know what that while loo

Re: arrays and refs...argh!

In article <[EMAIL PROTECTED]> wrote "Ron Goral" <[EMAIL PROTECTED]>: > Can someone please tell me why the following code only returns the last element in >the referenced > array? If I put the foreach routine inside the while loop, I get a printout of each >element in > both the $sqlRes refer

Re: Arrays 1x3 or 3x1 - The real questions

> After that, if you write > my $var2 = shift; > then $var2 will be an array reference to @arry. > > HTH, > Tanton > - Original Message ----- > From: "Steven M. Klass" <[EMAIL PROTECTED]> > To: "Brett W. McCoy" <[EMAIL PROTECTED]> > Cc:

Re: Arrays 1x3 or 3x1 - The real questions

On Feb 12, Steven M. Klass said: >&Somefunction($var1, \@arry) > >sub SomeFunction { > my $var = $_[0];# XXX you were missing a ; here > my $array = shift; Uh, $array and $var have the same value now. shift() removes the first element from an array (defaulting to @_) and returns

Re: Arrays 1x3 or 3x1 - The real questions

if you write my $var2 = shift; then $var2 will be an array reference to @arry. HTH, Tanton - Original Message - From: "Steven M. Klass" <[EMAIL PROTECTED]> To: "Brett W. McCoy" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, February

RE: Arrays 1x3 or 3x1 - The real questions

. McCoy Cc: [EMAIL PROTECTED] Subject: Re: Arrays 1x3 or 3x1 - The real questions how does "shift" work? In other words what if I do this &Somefunction($var1, \@arry) sub SomeFunction { my $var = $_[0] my $array = shift; foreach(@{$array}) {

Re: Arrays 1x3 or 3x1 - The real questions

how does "shift" work? In other words what if I do this &Somefunction($var1, \@arry) sub SomeFunction { my $var = $_[0] my $array = shift; foreach(@{$array}) { print "$_\n"; } } How does the shift operator know which is which? I called it specificall

Re: Arrays 1x3 or 3x1 - The real questions

Hi all, > Let's start off with some simple code.. > > my $arg = &SomeFunction ( my @arry = qw/one two three/) > > sub SomeFunction { > my @array = @_[0]; > for (my $i =0; i < @array; i ++ ) { > print "$array[0][$i] > } > } > > Ok now I understand what the problem is, but I don't > know

Re: Arrays 1x3 or 3x1 - The real questions

On Tue, 12 Feb 2002, Steven M. Klass wrote: > Let's start off with some simple code.. > > my $arg = &SomeFunction ( my @arry = qw/one two three/) > > > > sub SomeFunction { > my @array = @_[0]; No, you are only grabbing the first element of @_. You should either pass the array as a refere

Re: Arrays and use strict question

On Jan 13, Keith Nasman said: >@a = qw/this is the text/; >$a = "three"; >print "The third word is ${a}[2]\n"; >print "The third word is $a[2]\n"; > >produce this: > >The third word is three[2] >The third word is the The reason "three" is printed is because "${a}[2]" is another way of writing $a

Re: arrays

Prasanthi Tenneti wrote: > > In my prog ,I have 6 different arrays.And all first elemnts should do something.ANd >all 2nd elements in arrays should do something and so on . > Iam unable to write code in perl for this.PLs help me. Let's assume, the 6 different arrays are declared as array1 .. a

Re: arrays and hashes

Hi Jim, I'm not entirely clear on what you have in the first array, but it sounds like it won't be of much use since you already have a hash with all the information you need. You're probably going to have to create a new data structure that keys off of the date so you can search/sort based on t

Re: arrays and hashes

On Sat, Sep 29, 2001 at 11:08:11AM -0400, Darfler, Jim (J.E.) wrote: > How would I go about sending to a file the volume names and dates sorted > by the date? Open the file, iterate through your data structure, write what data you want to the file, close the file. > I had thought to put the inf

Re: arrays

On Tue, 25 Sep 2001 [EMAIL PROTECTED] wrote: > are there multi-dimensional arrays in perl? Yes, but not exactly, if you are thinking in terms of multi-dimensional arrays as they are in C. In Perl, we build up complex data structures by using references: my @multiarray = ( [1, 2, 3, 4], [5, 6,

Re: arrays

On Sep 25, [EMAIL PROTECTED] said: >are there multi-dimensional arrays in perl? There are multi-dimensional data structures (arrays and hashes) in Perl. I wrote something for perl.com a while ago that you might want to read in conjunction with the standard docs: http://www.pobox.com/~japhy/d

Re: arrays

On Tue, Jul 31, 2001 at 10:21:47PM +0200, Matija Papec wrote: > Michael Fowler <[EMAIL PROTECTED]> wrote: > >Your restriction that it not use a for loop to construct the data is > >needlessly limiting. There are several ways to do what you ask, one of them > >is a for loop. > > I didn't like ide

Re: arrays

Michael Fowler <[EMAIL PROTECTED]> wrote: >> @data[0] = ("", "", ""); >> #and >> @data[1] = (1, 2, 3); > >This notation is almost certainly incorrect, what you probably meant to say >is: > >$data[0] = ["", "", ""]; >$data[1] = [ 1, 2, 3]; You're right, I wrote a wrong syntax. >> I want

Re: arrays

Troy Denkinger <[EMAIL PROTECTED]> wrote: >which indicates that the first array is empty. The problem is the undef of >@temp. What you've put into @array is a reference to @temp. When you undef >it, you're undefing the array that the reference in array points to. > >In any event, I can't figu

Re: arrays

On Mon, Jul 30, 2001 at 08:02:58PM +0200, Matija Papec wrote: > ok, to simplify let's suppose that > > @datumi2 = (1, 2, 3); > > #so final result should look like this: > @data[0] = ("", "", ""); > #and > @data[1] = (1, 2, 3); This notation is almost certainly incorrect, what you probably meant

Re: arrays

John Edwards <[EMAIL PROTECTED]> wrote: >Can you explain what your trying to achieve?? > >You want an array called @data which consists of all the elements from >@dataumi2? Where does the second array with empty element values come from, >why is it needed? ok, to simplify let's suppose that @dat

Re: arrays

On Monday 30 July 2001 12:05, Matija Papec wrote: > Program below works fine but I wander how to optimize this; it looks very > ugly. The final result have to be @data which contains two arrays. First > array have to be equal size of second array(@datumi2) and all their values > have to be "". Hm

Re: arrays

On Jul 30, Matija Papec said: >my $i; >my (@datumi2) = (1..100); >my (@temp, @data); > ># block for optimization > >for $i (0..$#datumi2) { push @temp, "" } >push @data, \@temp; >undef @temp; > ># end of block for optimization > >push @data, \@datumi2; You can use the length of an array with the

RE: arrays

Can you explain what your trying to achieve?? You want an array called @data which consists of all the elements from @dataumi2? Where does the second array with empty element values come from, why is it needed? to assign @data with all the elements from @dataumi2 do this @data = @dataumi2; ---

Re: Arrays as subroutines arguments

Hello Diego, Thursday, July 26, 2001, Diego Riaño <[EMAIL PROTECTED]> wrote: DR> How can I pass two arrays as subroutine arguments? passing arrays as arguments is bad idea; you should use references. my_sub(\@array1, \@array2); sub my_sub { my ($ref1,$ref2) = @_; print $$ref1[0], $$ref2[0]; }

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