From: Hugh Sasse <hgs@...>
Date: 2008-10-22T03:29:13+09:00
Subject: Re: Help with regular expression



On Wed, 22 Oct 2008, Evgeniy Dolzhenko wrote:

> /\b[A-Z]+$/
> will match if last word in string is not 100% upppercase
s/not//

If you convert a string to uppercase, and it already is all uppercase,
then it will be unchanged....  I'd use awk if a dependence on ruby is
not allowed, and no regexp needed.
> 
> On Tue, Oct 21, 2008 at 10:08 PM, Ruby Student <ruby.student@gmail.com> wrote:
> > Team,
> > A colleague asked me if I could write a script to:
> >
> > Read a text file where each record has two words.
> > If the second word in the record is not 100% uppercase, write it to a file
> > and convert it to uppercase.
> > I wrote it in Ruby in about 5 lines using IO.foreach("/tmp/somefile.txt") do
> > |file| for the input file and fo = File.open("/tmp/somefile.out","a+") for
> > the output file, upcase method.
> > Then she threw a curve ball at me telling me that she wanted it in Korn
> > Shell using regular expression.
> > The facts are that I don't know how to do this using regular expressions.
> > I am not asking anyone to solve for me, but if you can tell me:
> >
> > How do you compare, using regular expression, the second word in the input
> > record for upper case. In other words, if the second word has at least 1
> > lower-case char, it has to be flagged and translated to upper-case.
> >
> > I will deal with the I/O issues in Korn Shell.
> >
> > Thank you
> > --
> > Ruby Student
> >
>