December 2004
Beginner
600 pages
13h 42m
English
Content preview from Beginning AppleScript®
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A.4. Chapter 4
A.4.1. Exercise 1 solution
-- Calculate a triangular number specified by the user
set triangularNumber to missing value
set sum to 0 -- the sum so far
display dialog "Enter your integer" default answer ""
-- make sure an integer was entered
try
set triangularNumber to text returned of result as integer
end try
if triangularNumber = missing value then
display dialog "You didn't enter an integer" with icon stop
buttons {"OK"} default button 1
else
-- now calculate the requested number
set sum to (triangularNumber * (triangularNumber + 1) / 2) as integer
display dialog (sum as string)
end if
A.4.2. Exercise 2 solution
-- Calculate a triangular number specified by the user set triangularNumber to missing value set sum to 0 -- the sum so far display dialog "Enter your integer" default answer ""
-- make sure an integer was entered
try
set triangularNumber to text returned of result as integer
end try
if triangularNumber = missing value then
display dialog "You didn't enter an integer" with icon stop
buttons {"OK"} default button 1
else
-- now calculate the requested number
set n to 1
repeat triangularNumber times
set sum to sum + n
set n to n + 1
end repeat
display dialog (sum as string)
end if
A.4.3. Exercise 3 solution
-- Calculate a triangular number specified by the user - Version 3 set sum to 0 -- the sum so far set validNumber to false set tries to 1 repeat while tries 3 and not validNumber display dialog "Enter your integer" default answer "" try set textEntered ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.