Selective file copy: Difference between revisions
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So that's the characters of the records from the file. We can assign these records to variables -- one for each column:<lang J> 'A B C D'=: |:_20 ((##\)5 5 5 5)&(</.)\fread 'example' |
So that's the characters of the records from the file. We can assign these records to variables -- one for each column:<lang J> 'A B C D'=: |:_20 ((##\)5 5 5 5)&(</.)\fread 'example' |
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A NB. first column |
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A |
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A |
A |
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AA |
AA |
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