17 lines
527 B
EmacsLisp
17 lines
527 B
EmacsLisp
(require 'gnus-range)
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(defun rangext (lst)
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(mapconcat (lambda (item)
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(if (consp item)
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(if (= (+ 1 (car item)) (cdr item))
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(format "%d,%d" (car item) (cdr item))
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(format "%d-%d" (car item) (cdr item)))
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(format "%d" item)))
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(gnus-compress-sequence lst)
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","))
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(rangext '(0 1 2 4 6 7 8 11 12 14
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15 16 17 18 19 20 21 22 23 24
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25 27 28 29 30 31 32 33 35 36
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37 38 39))
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;; => "0-2,4,6-8,11,12,14-25,27-33,35-39"
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