Returns whether the specified file object can be written to.
Syntax
canWrite( file )
file.canWrite( )
Parameters
file
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the file object being checked.
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Returns
boolean
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true if file can be written to.
false if file can not be written to.
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Example
fh = File( storage )
if !fh.canWrite( ) then
println( "unable to write to storage" )
exit( -1 )
end
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