I think what you want is
The problem with your code is that you're trying to replace a single CR with an LF, so if you have an LF alone, it's unchanged. If you start with CRLF, you end up with LFLF, which isn't what you want. What you need to look for is an LF not preceded by CR, and replace it with CRLF.
Update: It appears I spoke a little too soon, and with too much Unix-centrism. The text was fine, but I forgot that "\n" in Perl changes meaning under different platforms. What you want is
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||