THE HYPERCARD CENTER

HyperTalk Reference

Note: This is a work in progress and many formatting issues have been fixed. Read more about the project on the home page.

Constants

down

Equal to the literal "down".

if the mouse is down then exit repeat

empty

Equal to the literal "" (the null string)

if it is empty then exit askTheUser

false

The opposite of true; equal to the literal "false"

if the hilite of button 1 is false then mark this card

formFeed

Equal to numToChar(12), which starts a new page in some file formats.

write formFeed to file "My Info"

lineFeed

Equal to numToChar(10), which starts a new line in some file formats.

write lineFeed to file "My Info"

pi

Equal to the mathematical value pi to 20 decimal places:

3.14159265358979323846

quote

Equal to the double quotation mark character: "

get "stack" && quote & "Home" & quote --it now contains the string: stack "Home" go it

return

Equal to numToChar(13).

space

Equal to numToChar(32) or the literal " ".

tab

Equal to numToChar(9).

write tab to file "My Info"

true

The opposite of false; equal to the literal "true".

up

Equal to the literal "up".

if the mouse is up then exit repeat

zero..ten

Equal to the numbers 0 through 10.

go card one

comma

Equal to the character "," (numToChar = 44)

read from file "Data" until comma

colon

Equal to the character ":" (numToChar = 58)

set the itemDelimiter to colon