Computer Science Canada

string to integer?

Author:

noobsauce [ Sun Nov 09, 2008 6:24 pm ]

Post subject:

string to integer?

Ok, I am to make a program that askes the user to enter his name and then separate him into 2 catagories according to his first letter of last name. I want to convert the letter into integer and use the ASCII table to find what it is. But i can't convert it to integer...? here is my code so far

code:

var username : string (100)
var counter, lastname: int := 0
put "Please enter you name: "..
get username : *
loop
counter := counter + 1
exit when username(counter) = username(*) %donno if this works perfectly
end loop
loop
counter := counter - 1
exit when username(counter) = ' '
end loop
put username(counter+1)
lastname := strint (username(counter+1)) %error on this line
put lastname

Is there a special function to do it? I tried to do it directly:

code:

lastname := username(counter+1)

it says error anyways...

Mod Edit: Please remember Code Tags. Thanks

code:

[code]Code here[/code]

Author:

TheGuardian001 [ Sun Nov 09, 2008 7:36 pm ]

Post subject:

Re: string to integer?

there is actually a command built into the language used for this.

Turing:

number := ord(letter)
letter := chr(number)

ord goes from a letter to its ASCII character, while chr does the opposite and converts ASCII codes into letters.

Author:

noobsauce [ Sun Nov 09, 2008 8:35 pm ]

Post subject:

Re: string to integer?

Thanks it works, but how do i fix

code:

exit when username(counter) = username(*)

It doesn't work if the last letter was repeated in the name

Author:

pavol [ Sun Nov 09, 2008 10:29 pm ]

Post subject:

Re: string to integer?

I am assuming that your code:

Turing:

loop
counter := counter + 1
exit when username (counter) = username (*)
end loop

is used for finding the length of the username string. An easier way of doing this is to simply write:

Turing:

counter := length(username)

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