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Re: Printing with

by Jazz (Curate)
on Jul 22, 2002 at 06:09 UTC ( #183953=note: print w/replies, xml ) Need Help??

in reply to Printing with

Lincoln has a manual online. But if you can, grab a copy of Official Guide to Programming wth It's invaluable as a desktop reference.

As mephit noted, you're already importing all of the standard functions by using use CGI qw(:standard). Since you may as well use what's already imported, below is a sample of what your program can look like with using

#!/usr/bin/perl -w use strict; use CGI qw/ :standard *table /; use CGI::Pretty; # not necessary, but it makes for more legible html o +utput my $db ="test.txt"; # moved header and start_html outside of loop # print takes a list, so you can join several items to print with comm +as print header, start_html( -title => 'Script' ), hr, start_table( { -width => '100%', -border => '0' } ); # It's more helpful to include $! in the error open( FILE, "<$db" ) or die "Well, whats up.. can't open file $!\n"; while ( <FILE> ) { # no need to define $line here -- $_ is already defined, so you ca +n use it # directly chomp; # Just a preference note. When working with arrays, I prefer to u +se # something a little easier to maintain, like: # my ( $name, $date, $something, $somethingelse ) = split/::/; # it's a bit easier than trying to remember the order of the field +s in $db my @events = split/::/; print Tr( td( { -width => '22%' }, font( { -size => '+1', color => 'gray' }, b( "$events[0] $events[1], $events[2]" ) ) ), td( { -width => '78%' }, font( { -size => '+1', color => 'black' }, $events[3] ) ) ), Tr( td( { -colspan => '2'}, font( { -size => '2' }, $events[4] ) ) ); } print end_table, end_html; close FILE or die "Can't close $!\n";

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[erix]: yeah... trepidation
Corion quivers with antici...
[choroba]: if you turn off autocommit and run a prepared statement which fails, the transaction is automatically rolled back, at least in DBD::Pg
[erix]: at least, I'll know where to find the documentation :P
[choroba]: but if there's no prepared statement, there's no rollback
[choroba]: the rollback happens when deallocating the prepared statement in error state.
[choroba]: is this something that Pg enforces, or just a consequence of the Perl implementation?
[choroba]: also, does it make any sense? We run different statements generated from input structures, sometimes prepared statements are involved, sometimes not. We want the behaviour to be consistent.
[erix]: I'm not sure. I suppose you could compare behavior via DBD::Pg with behaviour of the naked SQL

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