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N0 V1 V2 Implemented initial writing: 2005-03-22
last updated: 2006-02-02

The isolated sequence N0 V1 V2 (noun verb verb) was previously uninterpreted (it signalled syntax error). It is now interpreted to mean N0"_ V1 V2 . The following examples illustrate uses of this new train.

0. Translate from upper to lower case.

   U  =: a. {~ (i.26)+a.i.'A'
   L  =: a. {~ (i.26)+a.i.'a'
   lfu=: (L,a.) {~ (U,a.) i. ]

   lfu 'ONOMATOPOEIA metonymic'
onomatopoeia metonymic

1. Select directories in a path.

   dirs=: (] #~ 'd'=4{"1 [: > 4{"1 ]) @: (1!:0)

   dirs 'c:\j504\*.*'
+------+------------------+-+---+------+
|addons|2005 3 11 18 20 42|0|rw-|----d-|
+------+------------------+-+---+------+
|system|2005 3 9 15 44 48 |0|rw-|----d-|
+------+------------------+-+---+------+
|temp  |2005 3 9 15 44 49 |0|rw-|----d-|
+------+------------------+-+---+------+
|user  |2005 3 9 15 44 49 |0|rw-|----d-|
+------+------------------+-+---+------+

2. An identity from math.

   sin=: 1 o. ]
   cos=: 2 o. ]
   (^@j. = cos + 0j1 * sin) 1 2 3 0.1j_0.2
1 1 1 1


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