On Fri, May 02, 2003 at 10:04:09AM +0900, Panther wrote:
> I must search string in a file ??
> How I must open file in read and search string ??
> What is syntax ??
> Thamk you

Is this what you want?:

dcarrera ~ $ cat > file 
cat
dog 
mouse
eagle
dcarrera ~ $ irb
>> File.readlines("file").each { |line| puts line if line =~ /o/ }
dog
mouse
>>


-- 
Daniel Carrera
Graduate Teaching Assistant.  Math Dept.
University of Maryland.  (301) 405-5137