my_noun=: 0 + mapped_noun my_noun=: ($ ($,) ]) mapped_noun ... and various other identity functions, except for ] and [ .
----- Original Message ----- From: Anssi Seppälä <[EMAIL PROTECTED]> Date: Monday, August 6, 2007 8:32 Subject: [Jprogramming] Mapped files & copy To: Programming forum <[email protected]> > I must store big J array (1000000 * 10 ) data in mapped files > because > it is the only way to store big arrays where the size is beyound > of > limits of jfiles . > > However I meet a problem when I try to copy data from a mapped > file > to J workspace. > > After mapping and assign: my_noun =: mapped _noun. The > probelm is to > unmap mapped_noun and keep the data in my_noun for further > manipulation. The problem os obviously tat the data is not > copied to my_noun. > > What is the fastest way to say my_noun =: mapped _noun so that > the > data is really copied to my_noun? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
