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DarkBASIC Professional Discussion / write file

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shadey

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Joined: 25th Jan 2010

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Posted: 14th Jun 2012 19:23

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how do i write a string array to a file and read it back?
so say i have name$(50) and each one has a name in, then i wanna write all 50 to a file and read them back into the array
also does the security of windows vista/7/8 have an effect on reading and writing,i would guess it does,so where is the best place to read/write this file in the case of the latter OS's?!
thanks for any help!

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IanM

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Joined: 11th Sep 2002

Location: In my moon base

Posted: 17th Jun 2012 17:10

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There are many ways to do this - I'll give you the simplest, but if it doesn't cover what you need, then just provide more detail.

+ Code Snippet

dim FirstArray(19) as string    ` Array items are 0 to 19, which is 20 entries
dim SecondArray(19) as string   ` Second array that I will load into - note it is the same size as the first array.

` Fill the first array with strings
for i = 0 to 19
    FirstArray(i) = str$(i)
next

` Save it
save array "ArrayData.dat", FirstArray()

` Load it into another array
load array "ArrayData.dat", SecondArray()

` Display the content of the loaded array
for i = 0 to 19
    print SecondArray(i)
next

wait key

The drawbacks of this method are:
- Non-typed arrays only.
- You need to know the size of the array you are loading and pre-create the array to that size.
- It requires 1 file per array,

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DarkBASIC Professional Discussion / write file