Assuming that you actually use the variables you can set
with a command line switch, if you rename one of those
variables, you'd need to change the variable at least twice,
even with style you are discussing.
I've used that style for years (but not always), but not
for the reason you mention. Renaming a variable more than
once requires only two keystrokes per extra occurrence in
an editor like vi (n.), so that expect doesn't bother
me at all. Of course, that's assuming :g/$oldvar/s//$newvar/g
wouldn't do the trick, in which case there wouldn't be any
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:
Outside of code tags, you may need to use entities for some characters:
- 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.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||