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;;======================================================================
;; Convert strings like "5s 2h 3m" => 60x60x2 + 3x60 + 5
(define (common:hms-string->seconds tstr)
(let ((parts (string-split-fields "\\w+" tstr))
(time-secs 0)
;; s=seconds, m=minutes, h=hours, d=days, M=months, y=years, w=weeks
(trx (regexp "(\\d+)([smhdMyw])")))
(trx (regexp "^(\\d+)([smhdMyw])$")))
(for-each (lambda (part)
(let ((match (string-match trx part)))
(if match
(let ((val (string->number (cadr match)))
(unt (caddr match)))
(if val
(set! time-secs (+ time-secs (* val
(case (string->symbol unt)
((s) 1)
((m) 60) ;; minutes
((h) 3600)
((d) 86400)
((w) 604800)
((M) 2628000) ;; aproximately one month
((y) 31536000)
(else
(else #f))))))))))
0)))))))
(print "ERROR: can't parse timestring "tstr", component "part)
)))
parts)
time-secs))
(define (seconds->hr-min-sec secs)
(let* ((hrs (quotient secs 3600))
(min (quotient (- secs (* hrs 3600)) 60))
(sec (- secs (* hrs 3600)(* min 60))))
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