From: Peter Bailey <pbailey@...>
Date: 2006-10-14T03:31:06+09:00
Subject: Re: Regex parsing against filenames

Hugh Sasse wrote:
> On Sat, 14 Oct 2006, Peter Bailey wrote:
> 
>> parse true against "pq181b" and "pq192b??"
>> 
>> Here's a snippet of my code, showing where I'm doing the regex. All the
>> filenames are in the variable $psfile.
>> 
>> ...
>> db = KirbyBase.new { |d| d.path = "E:/workflows/graphics/pagecounts" }
>> pageinfo_tbl = db.get_table(:pageinfo)
>> 
>> result = pageinfo_tbl.select { |r| $psfile =~ Regexp.new(r.dbfilename) }
>> ...
> 
> Without seeing the result of the r.dbfilename call it's hard to tell.
> 
>   result = pageinfo_tbl.select do |r|
>     dbf = r.dbfilename
>     re =  Regexp.new(dbf)
> 
>     if re.match($psfile)
>       true
>     else
>       puts "#{r}.dbfilename => #{dbf} => #{re} which failed to match 
> #{$psfile}"
>       false
>     end
>   end
> 
> might tell you something.
>> 
>> 
>> Thanks,
>> Peter
>> 
>         Hugh


Thanks, Hugh.
I tried your code snipped and it gave me data for every single row in my 
database, all 200 of them. So, it's kind of hard to read, because it 
display every field of every row.
I've tried to simply things by simply using the .match operator, like 
this:

result = pageinfo_tbl.select { |r| $psfile.match(r.dbfilename) }

When I run this .match operation in IRB, using the 9 filenames I have, 
it matches every time!

Here's my whole script now. I hope it's not too huge for this forum.

require 'kirbybase'
Dir.chdir("E:/workflows/graphics/indexes/VAXin_6x9")
psfiles = Dir.glob("*.ps")
psfiles.each do |$psfile|
    File.rename($psfile, $psfile.downcase)
    file_contents = File.read($psfile)
    file_contents.scan(/\%\%Pages: (\d{1,5})[ ]+\n/) do
    $totalpages = $1
  if ($totalpages.to_i % 2) !=0 then
    file_contents << "\%\%Blank page from Asura\nshowpage\n"
    File.open($psfile, "w") { |f| f.print file_contents }
    $totalpages = $totalpages.to_i + 1
  end
  db = KirbyBase.new { |d| d.path = "E:/workflows/graphics/pagecounts" }
  pageinfo_tbl = db.get_table(:pageinfo)
  result = pageinfo_tbl.select { |r| $psfile.match(r.dbfilename) }
  if result.empty?               #send an e-mail if empty
    system("blat E:/live/scripts/messages/blank_page.txt -s \"#{$psfile} 
is not
    a known Index filename. Check with Accounting on this.\" -to
    prodadmin@bna.com -f \"BNA Internal Production Mail Server\" -q")
    else
  $count = result.first.pagecount
  puts "#{$psfile}, #{$count}, #{$totalpages}"    #just for diagnostics
  pageinfo_tbl.update(:pagecount=>$totalpages.to_i + $count.to_i)
    { |r| r.recno == result.first.recno }
  end
  File.rename($psfile, $psfile.downcase)
end

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