[ruby-talk:14615] Re: bizarre File open, read, close problem on Win98?

"Joseph McDonald" <[e-mail]> writes:

> > Here's the code:
> > ####################################################
> > i = 0
> > while true do
> >    i += 1
> >    puts i
> >          rptFile = "CYPsw00695.rpt" #a 190K text file
> >          srchStr = "/Error/"  
> >          rpt_h = File.open rptFile
> >          puts "after File.open #{rptFile}" if $DEBUG
> >          puts "srchStr is: #{srchStr}" if $DEBUG
> >          while rpt_h.gets do
> >            #puts "while: #$_" if $DEBUG
> >            if eval srchStr
> 
> I wonder if eval is causing you problems?  It is probably
> slowing you down at least.  Can you do something like:
>   
> srchStr = "Error|Blah"    
> while line = gets
>   if line =~ /#{srchStr}/
>     puts line
>   end
> end

or even

  srchStr = /Error|Blah/
  puts File.open(rptFile).grep(srchStr)

which may be faster or slower depending on the percentage of lines
that match.


Dave