Hello Perl folks,
I would like to know if there is an eloquent way of extracting a date string
from a file.
My code goes like this:
open (INFILE, "<$sourcedir\\$filename") || die "Can not open
$sourcedir\\$filename $!\n";
@filecontents = <INFILE>;
close INFILE;
@filecontents = map {chomp; $_} @filecontents;
#
# Within the file contents, look for the text, CurrentWeekLabel
#
# Here is a text sample.
#
# <div style="TEXT-ALIGN: center; min-width: 750px">
# <div style="OVERFLOW: hidden; HEIGHT: 20px; TEXT-ALIGN: center"><span
id="CurrentWeekLabel">Week Of: </span><span id="StartWeekLabel"
style="font-weight:bold;">2011/10/29</span><span id="Label6"
style="font-weight:bold;"> - </span><span id="EndWeekLabel"
style="font-weight:bold;">2011/11/04</span></div>
# <div style="OVERFLOW: hidden; HEIGHT: 24px; TEXT-ALIGN: center"><a
id="PreviousWeekLinkButton" class="LinkButton"
href="javascript:OnPreviousWeekLinkButtonClick ()"
href="javascript:__doPostBack('PreviousWeekLinkButton','')">Prev</a><span
id="Label20"> | </span><a
onclick="SelectWeekButtonClick('PopupCalendar1', 'SelectWeekLinkButton');
return false;" id="SelectWeekLinkButton" class="LinkButton"
href="javascript:__doPostBack('SelectWeekLinkButton','')">Select Week</a><span
id="Label8"> | </span><a id="NextWeekLinkButton" class="LinkButton"
href="javascript:OnNextWeekLinkButtonClick ()"
href="javascript:__doPostBack('NextWeekLinkButton','')">Next</a></div>
# <div style="OVERFLOW: hidden; OVERFLOW:visible; TEXT-ALIGN: center"><span
id="StatusLabel" class="StatusLabel"></span></div>
# </div>
#
# Obtain the year, month and day following the text, StartWeekLabel
#
@ans = grep (/StartWeekLabel.+\>(\d{4})\/(\d{2})\/(\d{2})\<\/span/si,
@filecontents);
#
# Build the start date from the matches.
#
$start_date = $1 . $2 . $3
I was wondering if there was a neat way to avoid using @ans as a temporary
variable, and extract the "2011/10/29" straight into $start_date so that
$start_date = "20111029"
Thank you
Paul Rousseau
403 776 4293
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