[17123] in Perl-Users-Digest
Perl-Users Digest, Issue: 4535 Volume: 9
daemon@ATHENA.MIT.EDU (Perl-Users Digest)
Fri Oct 6 00:05:28 2000
Date: Thu, 5 Oct 2000 21:05:11 -0700 (PDT)
From: Perl-Users Digest <Perl-Users-Request@ruby.OCE.ORST.EDU>
To: Perl-Users@ruby.OCE.ORST.EDU (Perl-Users Digest)
Message-Id: <970805111-v9-i4535@ruby.oce.orst.edu>
Content-Type: text
Perl-Users Digest Thu, 5 Oct 2000 Volume: 9 Number: 4535
Today's topics:
Re: [Q] Make File Handle into a reference as returned f <elephant@squirrelgroup.com>
Re: beginner question <ren.maddox@tivoli.com>
Re: Changing STDOUT <elephant@squirrelgroup.com>
Re: Changing STDOUT <yanick@babyl.sympatico.ca>
email with HTML layout <nospam@jillanddirk.com>
Re: email with HTML layout <elephant@squirrelgroup.com>
Re: email with HTML layout <nospam@jillanddirk.com>
Re: email with HTML layout <peter.sundstrom@eds.com>
Re: embedding in HTML <elephant@squirrelgroup.com>
Re: Help processing files in a directory <matt.stoker@motorola.com>
Re: Help processing files in a directory (Martien Verbruggen)
Re: Help with CGI <brian+usenet@smithrenaud.com>
Re: Not Entirely On Topic: Programming and math <rydz@erols.com>
Re: Not Entirely On Topic: Programming and math <lmoran@wtsg.com>
Re: Perl Reflection/Introspection <elephant@squirrelgroup.com>
Re: Quirk of strict ?? (Martien Verbruggen)
reading dbase files <mail4donpro@home.com>
Re: reading dbase files <rick.delaney@home.com>
Re: reading dbase files <jeff@vpservices.com>
Re: RegEx: I'm stumped <ren.maddox@tivoli.com>
Re: require a file in IIS 4.0 jhardy@cins.com
Re: require a file in IIS 4.0 <elephant@squirrelgroup.com>
Digest Administrivia (Last modified: 16 Sep 99) (Perl-Users-Digest Admin)
----------------------------------------------------------------------
Date: Fri, 6 Oct 2000 12:37:01 +1000
From: jason <elephant@squirrelgroup.com>
Subject: Re: [Q] Make File Handle into a reference as returned from CGI.pm
Message-Id: <MPG.1447e5dc729e5ff9897ff@localhost>
Brian Lavender wrote ..
>I am using the CGI.pm to upload a file from a web page. It returns a
>file handle. I am also using Text::CSV_XS perl module to parse the
>uploaded file . The class method new to instatiate the
>Text::CSV_XS object requires that you pass it a file handle reference. I
>can use IO::File to create a file handle reference to a file, and pass
>that to the Text::CSV_XS perl module, but I can't quite figure out how
>to turn the file handle returned by the CGI perl module into a file
>handle reference to pass to the Text::CSV_XS perl module new class
>method. Here's code that works, and below that, is code that I am trying
>to make work. What changes do I need to make to make the second case
>work?
-
>Second Case (Can't get this to work!):
>
>#!/usr/local/bin/perl -Tw
>
>use Text::CSV_XS;
>use IO::File;
>use CGI qw/:standard/;
>use strict;
>
>my $fh; # File handle reference
>
>print header,
> start_html('file upload'),
> h1('file upload');
>if (param) {
> my $file = param('upload');
ok .. in $file is currently the input filehandle AND a string containing
the client string filename
> $fh = new IO::File;
> $fh->open($file) || die "Unable to create file handle object $!\n";
and you try to open it - using it in a string context .. BUT the
contents of $file might be something like
'C:\Files\somefile.ext'
or
'Macintosh Directory:Somefile'
because the content of that param() field is sent from the client's
machine .. you have to upload it first (see the CGI documentation for
how to do that) .. then you can open it and do your csv_process stuff
--
jason -- elephant@squirrelgroup.com --
------------------------------
Date: 05 Oct 2000 18:58:37 -0500
From: Ren Maddox <ren.maddox@tivoli.com>
Subject: Re: beginner question
Message-Id: <m3zokic02a.fsf@dhcp11-177.support.tivoli.com>
cfedde@u.i.sl3d.com (Chris Fedde) writes:
> $i = localtime[6];
You need parens around localtime, else Perl thinks you are calling
localtime with an array ref as the argument.
--
Ren Maddox
ren@tivoli.com
------------------------------
Date: Fri, 6 Oct 2000 12:45:13 +1000
From: jason <elephant@squirrelgroup.com>
Subject: Re: Changing STDOUT
Message-Id: <MPG.1447e7c5bcd17fbb989800@localhost>
Bart Lateur wrote ..
>buck_naked@NOiname.SPAMcom wrote:
>
>>open STDOUT "| /usr/local/bin/less";
>>
>>Now, let's say I want to go back to the normal setting for STDOUT in
>>the same program. How would I do that?
>
>Why don't you do:
>
> open LESS, "| /usr/local/bin/less";
> select LESS;
>
>So LESS is the default output handle.
>
> select STDOUT;
or even more robustly
my $old_select = select LESS;
# ... do your output boogey
select $old_select;
just in case someone else is also messing around with the default output
handle - you don't want to clobber whatever they had it set to
>You can also dup STDOUT, and dup it back in the end.
>
> OPEN SAVEOUT, ">&STDOUT";
^^^^.. Bart .. you been moonlighting in BASIC again ?
> open STDOUT, "...";
>
> ...
>
> OPEN STDOUT, ">&SAVEOUT";
^^^^.. egads .. and again .. get that finger off the shift key ;)
--
jason -- elephant@squirrelgroup.com --
------------------------------
Date: Fri, 06 Oct 2000 02:51:06 GMT
From: Yanick Champoux <yanick@babyl.sympatico.ca>
Subject: Re: Changing STDOUT
Message-Id: <u6bD5.3868$px1.73113@news20.bellglobal.com>
Martien Verbruggen <mgjv@verbruggen.comdyn.com.au> wrote:
: On Thu, 05 Oct 2000 19:39:39 GMT,
: Yanick Champoux <yanick@babyl.sympatico.ca> wrote:
:>
:> open STDOUT, ">-" or die "Ouch. Can't open stdout: $!\n";
: Doesn't work. The special filename '>-' refers to whatever is the
: current STDOUT.
ouch. You're right. I thought '>-' was always refering to the
program's original stdout. Bleh on me. :/
(Nonetheless) joy,
Yanick
--
($_,$y)=("Yhre lo .kePnarhtretcae\n", '(.) (.)' );
$y=~s/\(/(./gwhile s/$y/$2$1/xg;print; @ !;
" `---' ";
------------------------------
Date: Thu, 5 Oct 2000 22:49:11 -0400
From: "dirk" <nospam@jillanddirk.com>
Subject: email with HTML layout
Message-Id: <8rjeiq$u2b$1@merrimack.Dartmouth.EDU>
I want to sent email with html layout using perl. The html looks like
this:
++++++++++++++
<html>
<head>
<title>image</title>
</head>
<body>
<table border="2">
<tr>
<td><a href="http://www.domain.com/bigimage.html"><img
src="http://www.domain.com/image.jpg" border="0"></a>
</td>
</tr>
</table>
</body>
</html>
++++++++++++++++
The result should be a html email. The recipient can than just click on
the small image and that will open the browser with bigimage.html. Now how
do I get this information in an email?
Dirk Koppers
------------------------------
Date: Fri, 6 Oct 2000 14:30:14 +1000
From: jason <elephant@squirrelgroup.com>
Subject: Re: email with HTML layout
Message-Id: <MPG.144800645e04cb5e989807@localhost>
dirk wrote ..
>I want to sent email with html layout using perl.
so take a look at one of the many articles covering this topic that have
recently been posted here
in future - please take a look at the recent discussions before asking a
question
--
jason -- elephant@squirrelgroup.com --
------------------------------
Date: Thu, 5 Oct 2000 23:51:01 -0400
From: "dirk" <nospam@jillanddirk.com>
Subject: Re: email with HTML layout
Message-Id: <8rji6p$vts$1@merrimack.Dartmouth.EDU>
Good point. I did do a search in deja.com with "+email +html +layout" but
only got 15 hit, noe of useable. I should have just searched on just
"html".
Thanks,
Dirk Koppers
"jason" <elephant@squirrelgroup.com> wrote in message
news:MPG.144800645e04cb5e989807@localhost...
> dirk wrote ..
> >I want to sent email with html layout using perl.
>
> so take a look at one of the many articles covering this topic that have
> recently been posted here
>
> in future - please take a look at the recent discussions before asking a
> question
>
> --
> jason -- elephant@squirrelgroup.com --
------------------------------
Date: Fri, 6 Oct 2000 16:49:46 +1300
From: "Peter Sundstrom" <peter.sundstrom@eds.com>
Subject: Re: email with HTML layout
Message-Id: <8rjic8$gqi$1@hermes.nz.eds.com>
dirk wrote in message <8rjeiq$u2b$1@merrimack.Dartmouth.EDU>...
>I want to sent email with html layout using perl. The html looks like
>this:
>
>++++++++++++++
><html>
><head>
><title>image</title>
></head>
><body>
><table border="2">
> <tr>
> <td><a href="http://www.domain.com/bigimage.html"><img
>src="http://www.domain.com/image.jpg" border="0"></a>
> </td>
> </tr>
></table>
></body>
></html>
>++++++++++++++++
>
>The result should be a html email. The recipient can than just click on
>the small image and that will open the browser with bigimage.html. Now how
>do I get this information in an email?
Use the MIME::Lite module. It has excellent documentation and plenty of
HTML mail examples.
------------------------------
Date: Fri, 6 Oct 2000 12:19:20 +1000
From: jason <elephant@squirrelgroup.com>
Subject: Re: embedding in HTML
Message-Id: <MPG.1447e1b1e64a8fca9897fe@localhost>
[ please put your reply beneath what you're replying to ]
Ebenezer Bodvarsson wrote ..
>jason <elephant@squirrelgroup.com> wrote in message
>news:MPG.14468f77e4aaf18c9897fa@localhost...
>> N wrote ..
>> >Is there a way you embed perl script in the html files like PHP's <?php
>....
>> >> method besides using SSI's? If it is too complicated an answer I would
>be
>> >happy with the name of this function (if exists) so I could look it up.
>>
>> several .. take a look at the large number of modules at CPAN
>>
>> http://search.cpan.org/
>>
>> and search for embed*HTML in the Documentation
>>
>> see the Help for more information on how to use this tool
-
>Check out embperl http://perl.apache.org/embperl/ works great!
I don't know what you think you're adding to the thread - embperl is one
of the modules that will come up with the aforementioned search of CPAN
--
jason -- elephant@squirrelgroup.com --
------------------------------
Date: Thu, 05 Oct 2000 19:27:15 -0700
From: Matthew Stoker <matt.stoker@motorola.com>
Subject: Re: Help processing files in a directory
Message-Id: <39DD3883.625A0C4A@motorola.com>
You can use:
@files = <*.mp3>;
or
@files = glob *.mp3;
to give you a list of all .mp3 files in the current directory. To look
in another directory, you can use:
@files = <$dir/*.mp3>;
The only down side is that using this kind of "globbing" uses the shell
(csh) or dosglob.exe to get the glob, so it might be a bit slower than
doing everything in perl. To do the same thing without calling an
external program see the File::KGlob module. Also, as someone else
mentioned the File::Find module may be what you want, since it has the
ability to search directories recursively.
--
/------------------------------------------------------------------\
| Matt Stoker | email: matt.stoker@motorola.com |
| Unit Process Modeling | Mail Drop: M360 |
| DigitalDNA(TM) Laboratories| Phone: (480)655-3301 |
| Motorola, SPS | Fax: (480)655-5013 |
| 2200 W Broadway Road | Pager: (888)699-8803 |
| Mesa, AZ 85202 | |
\------------------------------------------------------------------/
------------------------------
Date: Fri, 06 Oct 2000 02:53:39 GMT
From: mgjv@tradingpost.com.au (Martien Verbruggen)
Subject: Re: Help processing files in a directory
Message-Id: <slrn8tqfl7.2ce.mgjv@verbruggen.comdyn.com.au>
On Thu, 05 Oct 2000 19:27:15 -0700,
Matthew Stoker <matt.stoker@motorola.com> wrote:
> You can use:
>
> @files = <*.mp3>;
>
> or
>
> @files = glob *.mp3;
You better make that
@files = glob '*.mp3';
if you want your program to compile.
And I generally don't advocate the use of globbing, but recommend
opendir and readdir instead [1]. On perl 5.6.0 and above that's less
strong, but I still feel it's better to use system calls.
Martien
[1] I know you gave alternatives, but IMO they were not the right ones
--
Martien Verbruggen |
Interactive Media Division | Freudian slip: when you say one thing
Commercial Dynamics Pty. Ltd. | but mean your mother.
NSW, Australia |
------------------------------
Date: Thu, 05 Oct 2000 22:25:44 -0400
From: brian d foy <brian+usenet@smithrenaud.com>
Subject: Re: Help with CGI
Message-Id: <brian+usenet-1EEA64.22254405102000@news.panix.com>
In article <39DB696C.3A1AED8D@pilot.msu.edu>, Jeffrey Scott Dunfee II
<dunfeeje@pilot.msu.edu> wrote:
> I have a cgi script written in perl used for a feedback form on a web
> page.
there are so many problems with that script that if you are
using this for anything important you should seek professional
help. a good consultant should be able to solve the problem
(by starting from scratch) in no time at all.
note the advice from Alan which i shouldn't need to repeat ;)
good luck.
--
brian d foy
Perl Mongers <URL:http://www.perl.org>
CGI Meta FAQ <URL:http://www.smithrenaud.com/public/CGI_MetaFAQ.html>
------------------------------
Date: Thu, 5 Oct 2000 21:27:45 -0400
From: "Stan Rydz" <rydz@erols.com>
Subject: Re: Not Entirely On Topic: Programming and math
Message-Id: <8rj9on$3ai$1@bob.news.rcn.net>
"Lou Moran" <lmoran@wtsg.com> wrote in message
news:35eptscl81drjr8gn9teh5ol2a2p00gcql@4ax.com...
> --Is a strong background in mathematics (not arithmetics) mandatory
> for a successful career as a programmer?
>
> --Could a creative (musician/writer/painter/whatever) person become a
> "real" (read useful/good/paid) programmer without having mathematical
> prowess?
>
I have heard or read (maybe in a book called " The Psychology of Computer
Programming" by Gerald Weinberg) that a musical backgrounds is a good (if
not only) predictor of programming ability.
Nibbler
------------------------------
Date: Thu, 05 Oct 2000 23:05:37 -0400
From: Lou Moran <lmoran@wtsg.com>
Subject: Re: Not Entirely On Topic: Programming and math
Message-Id: <r3gqtso17vpjik0apcappc691fvf2e0dc5@4ax.com>
[snip]
>
>I didn't think that one could be a competent musician without
>significant mathematical skill.
Bah! Phooey and Bah! I know a great many musicians who aren't
terribly math oriented! SOme who do not understand the concept of
time (ie 4/4, 7/8...) but they are "creative" they "feel" the music,
can "see" it in colors. See also Jimi Hendrix, Les Paul, Eddie Van
Halen... (what, I play guitar, I know guitarists... PS I'm thinking
Tommy Lee doesn't know too much math and he's considered a great
drummer (not by me particularly))
However, the rest of your post was valid.
"Well that it explains everything fish-bulb"
lmoran@wtsg.com
Registered Linux user number 187055
------------------------------
Date: Fri, 6 Oct 2000 13:14:57 +1000
From: jason <elephant@squirrelgroup.com>
Subject: Re: Perl Reflection/Introspection
Message-Id: <MPG.1447eec0d6945e11989803@localhost>
d_brown3@my-deja.com wrote ..
>Can someone point me to a good online reference on using reflection in
>Perl? The only thing I've been able to find was the short section in
>the Advanced Perl Programming book.
get ye to CPAN .. go to
http://search.cpan.org/
and type introspection in the search box .. and voila
--
jason -- elephant@squirrelgroup.com --
------------------------------
Date: Fri, 06 Oct 2000 01:05:45 GMT
From: mgjv@tradingpost.com.au (Martien Verbruggen)
Subject: Re: Quirk of strict ??
Message-Id: <slrn8tq9at.2ce.mgjv@verbruggen.comdyn.com.au>
On Fri, 06 Oct 2000 11:18:08 +1100,
Barry <barry.allebone@DB.COM> wrote:
> Jeff Pinyan wrote:
>
> > $a and $b are safe from strict vars because they are globals used in
> > sort().
> >
> > perldoc -f sort
>
> Thanks to everyone who responded, especially Jeff, who also emailed me. Now
> that I know where to look I even found the reference in Programming Perl.
> However it begs a couple of questions:
>
> a) How many more such critters are there ?
None that I can think of that aren't described in the perlvar man page.
> b) Why weren't $a and $b implemented as global special variables ?
Go to http://www.deja.com/ and find the thread on clp.misc with the
title 'foreach two elements at a time'. That thread contains a
discussion about this subject (starting at the message with id
slrn8t5165.64u.mgjv@verbruggen.comdyn.com.au). I am still not
convinced by the arguments defending the existence of $a and $b, but
that's beside the issue :).
Martien
--
Martien Verbruggen |
Interactive Media Division | 42.6% of statistics is made up on the
Commercial Dynamics Pty. Ltd. | spot.
NSW, Australia |
------------------------------
Date: Fri, 06 Oct 2000 01:28:06 GMT
From: "Don" <mail4donpro@home.com>
Subject: reading dbase files
Message-Id: <GU9D5.87694$dZ2.34843517@news3.rdc1.on.home.com>
Does anyone know if it is possible to read and maintain dBase III+ files
using perl?
------------------------------
Date: Fri, 06 Oct 2000 01:55:30 GMT
From: Rick Delaney <rick.delaney@home.com>
Subject: Re: reading dbase files
Message-Id: <39DD33DD.FE5F9DF@home.com>
[posted & mailed]
Don wrote:
>
> Does anyone know if it is possible to read and maintain dBase III+
> files using perl?
It's certainly possible. There may even be a module to make it easier
at CPAN.
http://search.cpan.org/
--
Rick Delaney
rick.delaney@home.com
------------------------------
Date: Thu, 05 Oct 2000 19:03:45 -0700
From: Jeff Zucker <jeff@vpservices.com>
Subject: Re: reading dbase files
Message-Id: <39DD3301.60AC945C@vpservices.com>
Don wrote:
>
> Does anyone know if it is possible to read and maintain dBase III+ files
> using perl?
Yes, with DBI and DBD::XBase. See
http://www.symbolstone.org/technology/perl/DBI/
--
Jeff
------------------------------
Date: 05 Oct 2000 19:42:45 -0500
From: Ren Maddox <ren.maddox@tivoli.com>
Subject: Re: RegEx: I'm stumped
Message-Id: <m3itr6by0q.fsf@dhcp11-177.support.tivoli.com>
adaptivetechnologies@my-deja.com writes:
> > > I'm writing a script that processes some html code. Among
> > > other things it must do is convert this bit of html &Amp; to a
> > > simple &. I first started with
> > >
> > > s/&Amp;/&/
> > >
> > > this did nothing. I admit RegExs are one of my weak points.
> > > What am I doing wrong?
>
> I've come across that problem many times before.
> Since there are so many special codes in Perl for
> non-alphabet characters, I usually preface all of
> them with the \ character, so Perl knows that
> it's supposed to be the absolute character after
> it. Perhaps
>
> s/\&Amp\;/\&/
>
> will work.
Maybe so, but so will the first one. None of these characters are
special in a Perl regex.
Perhaps the problem is that the global qualifier is needed so that not
just the first occurrence is affected. Or perhaps the ignore case
modifier is needed in case the "A" isn't capitalized (or the "m" or
"p" are).
Try:
s/&/&/ig;
Assuming this doesn't take care of it, there are other things that
could be wrong, so an actual piece of code that shows the problem
would be useful.
--
Ren Maddox
ren@tivoli.com
------------------------------
Date: Fri, 06 Oct 2000 01:30:28 GMT
From: jhardy@cins.com
Subject: Re: require a file in IIS 4.0
Message-Id: <8rj9vk$6ol$1@nnrp1.deja.com>
In article <MPG.1446887e92c66e5e9897f7@localhost>,
jason <elephant@squirrelgroup.com> wrote:
> jhardy@cins.com wrote ..
> >I seem to be having a problem with "require" in IIS 4.0
> >
> >I get the following error message no matter what script I run:
> >
> >I am sorry but I was unable to require
> >./Librarys/web_store.setup.db.table at line 75 in
> >C:\InetPub\wwwroot\artfind\public_html\cgi\Web_store\web_store.pl.
Would
> >you please make sure that you have the path
> >correct and that the permissions are set so that I have read access?
> >Thank you.
> >
> >I have checked the paths and permissions?
> >
> >I am using PERL 5.6.0 build 618
> >
> >is there another command to be used under WIN32
>
> nup .. same command
>
> my guess is that your Perl program has a different idea of the
directory
> that it is in than you do .. often it seems under IIS on Win32 the
> current directory is set as 'c:\winnt' rather than anything to do with
> either the program or IIS
>
> perhaps you could try doing a 'chdir' before the require statement so
> that you know that you're in the directory that you need to be in
>
> alternatively - supply an absolute path to the file that you want to
> require
>
> --
> jason -- elephant@squirrelgroup.com --
>
I tried the chdir, a config.pl file to set the path and absolute paths
to the directories, along with changing the name of the file with no
success???
Sent via Deja.com http://www.deja.com/
Before you buy.
------------------------------
Date: Fri, 6 Oct 2000 12:51:23 +1000
From: jason <elephant@squirrelgroup.com>
Subject: Re: require a file in IIS 4.0
Message-Id: <MPG.1447e9366e3eee30989801@localhost>
jhardy@cins.com wrote ..
>In article <MPG.1446887e92c66e5e9897f7@localhost>,
> jason <elephant@squirrelgroup.com> wrote:
>> jhardy@cins.com wrote ..
>> >I seem to be having a problem with "require" in IIS 4.0
>> >
>> >I get the following error message no matter what script I run:
>> >
>> >I am sorry but I was unable to require
>> >./Librarys/web_store.setup.db.table at line 75 in
>> >C:\InetPub\wwwroot\artfind\public_html\cgi\Web_store\web_store.pl.
>> >Would
>> >you please make sure that you have the path
>> >correct and that the permissions are set so that I have read access?
>> >Thank you.
>> >
>> >I have checked the paths and permissions?
>> >
>> >I am using PERL 5.6.0 build 618
>> >
>> >is there another command to be used under WIN32
>>
>> nup .. same command
>>
>> my guess is that your Perl program has a different idea of the
>> directory
>> that it is in than you do .. often it seems under IIS on Win32 the
>> current directory is set as 'c:\winnt' rather than anything to do with
>> either the program or IIS
>>
>> perhaps you could try doing a 'chdir' before the require statement so
>> that you know that you're in the directory that you need to be in
>>
>> alternatively - supply an absolute path to the file that you want to
>> require
-
>I tried the chdir, a config.pl file to set the path and absolute paths
>to the directories, along with changing the name of the file with no
>success???
ok .. well - I glossed over this before .. but let's go back to that
error message .. is that literally the error message you receive ? ..
ie. the one beginning with "I am sorry but..."
because I get an error message more along the lines of
Can't locate foo.pm in @INC (@INC contains: /foo/ /bar/ .)...
so .. where is your fancy error message coming from ? .. you're not
running a standard .pl Perl program via a standard IIS4 scripts
directory
--
jason -- elephant@squirrelgroup.com --
------------------------------
Date: 16 Sep 99 21:33:47 GMT (Last modified)
From: Perl-Users-Request@ruby.oce.orst.edu (Perl-Users-Digest Admin)
Subject: Digest Administrivia (Last modified: 16 Sep 99)
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To request back copies (available for a week or so), send your request
to almanac@ruby.oce.orst.edu with the command "send perl-users x.y",
where x is the volume number and y is the issue number.
For other requests pertaining to the digest, send mail to
perl-users-request@ruby.oce.orst.edu. Do not waste your time or mine
sending perl questions to the -request address, I don't have time to
answer them even if I did know the answer.
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End of Perl-Users Digest V9 Issue 4535
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