write dynamic statement

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write dynamic		statement

Syntax
write dynamic deviceID, arrayName

Description
write dynamic sends the contents of a dynamic array to an open disk file. Data written to a file in this manner can be read back into memory with read dynamic.

Example


CFURLRef      desktopURL, url

long        j

dynamic myAry(1) as long



//Construct URL for file access

desktopURL = fn FileManagerURLForDirectory( NSDesktopDirectory, NSUserDomainMask )

url = fn URLByAppendingPathComponent( desktopURL, @"Test Read_Write Dynamic" )


//== Load Array ==

for j = 0 to 9

myAry(j) = j

next


//== Write Array To File ==

open "O", 1, url

write dynamic 1, myAry

close 1

kill dynamic myAry


//== Read File Contents into Array ==

open "I", 1, url

read dynamic 1, myAry

close 1


//== Prove File contents are available ==

for j = 0 to 9

print myAry(j)

next

WorkspaceRecycleURL( url ) // trash test file 





See also

dynamic; 
read dynamic