Ok, I see now. It's just using ammend. It was there in nuvoc the whole time. Not sure how I missed that.
Thanks. --- Original Message --- From: "'Pascal Jasmin' via Programming" <[email protected]> Sent: July 9, 2014 11:52 AM To: [email protected] Subject: Re: [Jprogramming] Modifying single element of List or Table (<'fish') 2} ;: 'cat dog fiosh cow monkey' ┌───┬───┬────┬───┬──────┐ │cat│dog│fish│cow│monkey│ └───┴───┴────┴───┴──────┘ 5 (4 5 6}) 3 1 4 1 7 9 2 6 5 3 1 4 1 5 5 5 6 5 ________________________________ From: Jon Hough <[email protected]> To: "[email protected]" <[email protected]> Sent: Tuesday, July 8, 2014 10:31:03 PM Subject: [Jprogramming] Modifying single element of List or Table I want to modify an element of a list, leaving other elements unchanged. e.g. list =. ;: 'cat dog fiosh cow monkey' list ┌───┬───┬─────┬───┬──────┐ │cat│dog│fiosh│cow│monkey│ └───┴───┴─────┴───┴──────┘ I want to change 'fiosh' to 'fish', e.g. change a spelling mistake. It would also be preferable to do this in-place because I don't want to copy the list. Or, another example, arr =. 3 1 4 1 7 9 2 6 5 arr 3 1 4 1 7 9 2 6 5 I want 4{arr to become 5, not 7. How can I do this modification? This seems simple, but I just realized I don't know how to do it in J. Regards. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
