04-09-2004
Optimus,
I appreciate the insight, but I think you're missing my point. My problem is with the regular expression I posted above. I need help matching the metacharacters.
If you had read my initial post, you'll also see that I am hesitant to use mv or cp to rename the files because (without the "for" loop) it will only mv one file at a time. Since I am a relative newcomer to creating a shell script, I need more information than just one brief phrase - details are extremely critical. So, if you think I should use a "for" loop, why not post a sample of the code - all of the code, not "do cool stuff here" - so that it helps fix my problem. Other new people might read this post too and possibly learn from it.
If you don't know the answer to my question, I would appreciate you not wasting my time, and letting someone else answer - even if its to point me to an FAQ where this type of question may have already been answered. (I did search the BBS briefly before posting and did not match what I was looking for.)
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LEARN ABOUT DEBIAN
arithmetic
ARITHMETIC(6) BSD Games Manual ARITHMETIC(6)
NAME
arithmetic -- quiz on simple arithmetic
SYNOPSIS
arithmetic [-o +-x/] [-r range]
DESCRIPTION
arithmetic asks you to solve problems in simple arithmetic. Each question must be answered correctly before going on to the next. After
every 20 problems, it prints the score so far and the time taken. You can quit at any time by typing the interrupt or end-of-file character.
The options are as follows:
-o By default, arithmetic asks questions on addition of numbers from 0 to 10, and corresponding subtraction. By supplying one or more
of the characters +-x/, you can ask for problems in addition, subtraction, multiplication, and division, respectively. If you give
one of these characters more than once, that kind of problem will be asked correspondingly more often.
-r If a range is supplied, arithmetic selects the numbers in its problems in the following way. For addition and multiplication, the
numbers to be added or multiplied are between 0 and range, inclusive. For subtraction and division, both the required result and the
number to divide by or subtract will be between 0 and range. (Of course, arithmetic will not ask you to divide by 0.) The default
range is 10.
When you get a problem wrong, arithmetic will remember the numbers involved, and will tend to select those numbers more often than others, in
problems of the same sort. Eventually it will forgive and forget.
arithmetic cannot be persuaded to tell you the right answer. You must work it out for yourself.
DIAGNOSTICS
``What?'' if you get a question wrong. ``Right!'' if you get it right. ``Please type a number.'' if arithmetic doesn't understand what you
typed.
SEE ALSO
bc(1), dc(1)
BSD
May 31, 1993 BSD