# character

[gouqizi.lvcha]

Hi, all

I need to process a txt file.

I want to know how can I ignore the lines beginning with # character.
There maybe some blanks ahead of # character

Rick

[Victor Bazarov]

<go***********@gmail.com> wrote...

I need to process a txt file.

I want to know how can I ignore the lines beginning with # character.
There maybe some blanks ahead of # character

So, what's the problem? Skip the blanks and if the first non-blank
character is #, just ignore the rest and go on to the next line...

[Phlip]

gouqizi.lvcha wrote:

I need to process a txt file.
Use a language like Ruby or Python. C++ is for large, hard programs that
lack simpler alternatives.
I want to know how can I ignore the lines beginning with # character.
There maybe some blanks ahead of # character

Scripting languages, like Ruby or Python, typically come with built-in
regular expression modules. (C++ makes you download and install one of
several rather pernicious Regex alternatives, each with a steep learning
curve.)

So if one line of your file were in the variable 'line'...

if line !~ /^\s*#/ then
process(line)
end

The // delimits a regular expression, and the ^\s*# is pronounced "the
beginning of the line followed by any number of any kind of spacing
characters followed by a hatch #.

--
Phlip
http://industrialxp.org/community/bi...UserInterfaces