I have a boxed noun:

] testfile =: {2,\?15#50

┌────┬─────┬─────┬─────┬─────┬─────┬────┬────┬────┬────┬─────┬────┬───┬────┐

│9 21│21 47│47 37│37 13│13 33│33 20│20 4│4 49│49 6│6 25│25 33│33 9│9 6│6 43│

└────┴─────┴─────┴─────┴─────┴─────┴────┴────┴────┴────┴─────┴────┴───┴────┘


I want to store it in the following location on my machine:


]fn =. < 'C:\Users\skip\J904-user\temp'

┌────────────────────────────┐

│C:\Users\skip\J904-user\temp│

└────────────────────────────┘

Then I will close that J session.


Later, I will start a new J session, and I want to read that saved file
into a noun called 'test1'


What is the J code for writing the noun into a file in the first session?

What is the J code to read the file into a noun in the second session?

Should I use 1!2 & 1!:1, or fwrite & fread, or something else?


Where in the J doc are these file operations and their tradeoffs described?


Skip


Skip Cave
Cave Consulting LLC
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