Fixed length records: Difference between revisions
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(→{{header|j}}: Add J) |
(→{{header|J}}: Fix misunderstanding of specs) |
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<lang j> _80 ]\ fread 'flr-infile.dat' NB. reads the file into a n by 80 array |
<lang j> _80 ]\ fread 'flr-infile.dat' NB. reads the file into a n by 80 array |
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_80 |.\ fread 'flr-infile.dat' NB. as above but reverses each 80 byte chunk |
_80 |.\ fread 'flr-infile.dat' NB. as above but reverses each 80 byte chunk |
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'flr-outfile.dat' |
'flr-outfile.dat' fwrite~ , _80 |.\ fread 'flr-infile.dat' NB. as above but writes result to file (720 bytes)</lang> |
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=={{header|jq}}== |
=={{header|jq}}== |
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