[Ubuntu-zh] 有设计过cron 里面的时间 那种数据结构的嘛? 给下思路

[Guannan Ma]

 Äã²»¿ÉÄÜ°ÑËùÓпÉÄÜÇé¿ö¶¼×ª»»ÎªÃë, Èç¹ûÎÒÕâ¸ö×÷Òµrun 12¸öÔ  ²»¹æÔòµÄ¼ä¸ôÅÜÒ»´Î, ͬʱ ¿ÉÄÜ»¹Òª¿¼ÂÇij¸öÖÜÄ©ÅÜ, ij¸öÔÂÄ©ÅÜ.
ÕâÑùµÄÇé¿ö¶¼×ª»»ÎªÃë, ö¾Ù³öÀ´µÄ¿ÉÄÜÐÔÊdz¬³öÄãµÄÏëÏóµÄ.

±ÈÈç 1,4,5,7-30/2,41-50/4,52-59 1,4,5,7-30/2,41-50/4,52-59  1,4,5,7-14,16-30/2
1,3,5,7-11 *

ÕâÖÖ×éºÏÓе㼫¶Ë, ÎÒÖ»ÊÇÏëÃèÊöһϠÈç¹ûÈ«²¿Ã¼ÆËã³öÀ´²»ÏÖʵ°¡. Äã²¢²»ÖªµÀ¶àÉÙ¸öʱ¼äµã ×éºÏÒ»ÏÂÕâ¸ö´æ´¢½á¹¹Ê½¾Þ´óµÄ..



Óöþ²æÊ÷´æ´¢, ÿ´Îtimer´¥·¢µÄʱºò½øÐÐÏÂÒ»´Îtimer´¥·¢µÄ¼ÆËã. Ö»ÒªµÃµ½ÏÂÒ»´ÎÀëÕâ´Î×î½üµÄ´¥·¢Ê±¼ä(XXÃî¼´¿É)
²»¹ØÐĽ«ËùÓеļÆËã³öÀ´²¢ÌáÇ°´æ´¢.....





2010/10/7 Rhys <listofx在gmail.com>

> ²»Àí½âΪʲôÐèÒª¶þ²æÊ÷¡£Ò»°ãÊý¾Ý½á¹¹µÄÑ¡ÔñÊÇΪÐèÒª½øÐеIJÙ×÷·þÎñµÄ¡£
>
> ²»ÄÜȫת»¯ÎªÃëÀ´¼ÆËãÂð£¿
>
> 2010/10/6 Guannan Ma <mythmgn在gmail.com>:
> > Hi, all,
> >
> > ×î½üÓöµ½¸öÎÊÌâ, ÐèÒªÉè¼ÆÀàËÆcronÀïÃæʱ¼ä¶¨ÒåµÄtimerÊý¾Ý½á¹¹.
> >
> > ÒÔÏÂÊÇcronµÄ¶¨Òå
> >
> > [[[minute hour  day_of_month month day_of_week]]]  command
> >
> > ÎÒÐèҪʵÏÖ³ýÁËcommandÖ®ÍâµÄtimerÊý¾Ý½á¹¹.
> >
> > ÎÒÄ¿Ç°µÄÏë·¨ÊÇÈçÏÂ:
> >
> >
> > minute hour dayof_.....  ÿһÏî×ö¶þ²æÏ߶ÎÊ÷ ÿ¸öÏ߶ÎÊ÷´æ´¢²»½»²æµÄÄÚÈÝ.
> >
> > ÈçÏÂ(ÒÔminuteΪÀý):
> >
> >            [12 ,19]
> >        |              |
> > [1,9]       [30  ,  38]
> >               |             |
> >             [22,28]   [40, 50]
> >                                |
> >                                52
> >
> > hour dayof ...... ÒÀ´ÎÀàÍÆ
> >
> > ×ötimerµÄʱºò, ¼ÆËã×î½üµÄmatchµãÊ£ÓàµÄʱ¼ä(XXÃë).²¢·µ»Ø.
> >
> > (×ö¼ÆËãµÄʱºò·´Ðò minute<-hour<-day_of_month<-month<-day_of_week ÅжÏ×î
> > ½üʱ¼ä¾àÀë(ÃëΪµ¥Î»), ¼´ ÏÈÅжÏday_of_week ×îºóÅжÏminute)
> >
> >
> > Ò»¸ö
> >
> > filter{
> >     line_item m_h_dom_mon_dow[5]; //·Ö±ð´æ ·ÖÖÓ Ð¡Ê± ÈÕ Ô ÐÇÆÚÖеÄÈÕ
> > }
> >
> > timer_DIY{
> >
> > filter accept[MAX_ACCEPT_SIZE];  //Õâ¸öÊÇÏ߶ÎÊ÷µÄÊý×é, ¿ÉÒÔÓÐN¸öÕâÑùµÄÏß
> > ¶ÎÊ÷×é³Étimer. ¾ö²ßµÄʱºò±éÀú¼ÆËã, È¡×îСֵΪÏÂÒ»´ÎtimerµÄ´¥·¢Ê±¼ä.
> >
> > day array_deny[xx]; //Õâ¸öÊÇijЩÌØÊâµÄ½Ú¼ÙÈյȵÄfilter
> > }
> >
> >
> > ÓÐË­×ö¹ýÕâ·½ÃæµÄÊý¾Ý½á¹¹Âï? ÄÜ·ÖÏíÏ ÎÒ¾õµÃÎҵĺܱ¿×¾..
> >
> >
> > лл
> >
> >
> > --
> > Guannan Ma <mythmgn在gmail.com>
> >
> > -------------- ÏÂÒ»²¿·Ö --------------
> > Ò»¸öHTML¸½¼þ±»ÒƳý...
> > URL:
> https://lists.ubuntu.com/archives/ubuntu-zh/attachments/20101006/a54224db/attachment.htm
> > --
> > ubuntu-zh mailing list
> > ubuntu-zh在lists.ubuntu.com
> > https://lists.ubuntu.com/mailman/listinfo/ubuntu-zh
> >
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