linux getoptsÃüÁîÏê½â
ÓÃ;
´¦ÀíÃüÁîÐвÎÊý£¬²¢Ð£ÑéÓÐЧѡÏî¡£
Óï·¨
getopts
Ñ¡Ïî×Ö·û´®
Ãû³Æ
[
²ÎÊý
...]
ÃèÊö
getopts ÃüÁîÊÇ Korn/POSIX shell µÄÄÚÖÃÃüÁÓÃÀ´´Ó²ÎÊýÁбí¼ìË÷Ñ¡ÏîÒÔ¼°Ñ¡Ïî²ÎÊý¡£Ñ¡ÏîÓÉÒ»¸ö £¨¼ÓºÅ£©»òÕßÊÇÓÉÒ»¸ö-£¨¼õºÅ£©ºó¸úÒ»¸ö×Ö·û¿ªÊ¼¡£Ò»¸ö¼È²»ÊÇÒÔ £¬Ò²²»ÊÇÒÔ-¿ªÊ¼µÄÑ¡Ïî½áÊøÑ¡Ïî×Ö·û´®¡£Ã¿´Îµ÷Óà getopts ÃüÁîʱ,Ëü½«ÏÂÒ»¸öÑ¡ÏîµÄÖµ·ÅÖÃÔÚÃû³Æ ÄÚ£¬²¢½«ÏÂÒ»¸öÒª´¦ÀíµÄ²ÎÊýµÄË÷ÒýÖÃÓÚ shell ±äÁ¿ OPTIND ÖС£Ò»µ©µ÷ÓÃÁË shell , OPTIND ½«³õʼ»¯Îª1¡£µ±Ñ¡ÏîÒÔ ¿ªÍ·,Ôò ½«Ô¤ÏÈÉèΪÃû³ÆÖеÄÖµ¡£
Èç¹ûÑ¡Ïî×Ö·û´®ÖеÄ×Ö·ûºóÃæ´øÓГ:”£¨Ã°ºÅ£©£¬ÔòÔ¤ÆÚ´ËÑ¡Ï´øÓвÎÊý¡£µ±Ñ¡ÏîÐèҪѡÏî²ÎÊýʱ£¬getopts ÃüÁî¾Í½«ÆäÖÃÓÚ±äÁ¿ OPTARG ÖС£
µ±²éÕÒµ½ Ñ¡Ïî×Ö·û´®Ëù²»°üº¬µÄÑ¡Ïî×Ö·û£¬»òÕß²éÕÒµ½µÄÑ¡ÏîûÓÐËùÐèµÄÑ¡Ïî²ÎÊýʱ£º
Èç¹ûÑ¡Ïî×Ö·û´®²»ÒÔ:£¨Ã°ºÅ£©¿ªÍ·£¬
Ãû³Æ ½«»á±»ÉèÖÃΪ ?£¨Îʺţ©×Ö·û,
OPTARG. ½«±»È¡ÏûÉèÖ㬲¢ÇÒ
Õï¶ÏÏûÏ¢½«±»Ð´Èëµ½±ê×¼´íÎóÖС£
ÕâÖÖÇé¿ö±»ÈÏΪÊÇÔÚ½«²ÎÊý´«µÝ¸øËùµ÷ÓõÄÓ¦ÓóÌÐòµÄ¹ý³ÌÖÐËù¼ì²âµ½µÄ´íÎ󣬶ø²»ÊÇÔÚ´¦Àí getopts ÃüÁîµÄ¹ý³ÌÖÐËù·¢ÉúµÄ´íÎó£»ÈçÉÏËùÊö£¬Ð´ÈëÕï¶ÏÏûÏ¢£¬µ«Í˳ö״̬½«±äΪÁã¡£
Èç¹ûÑ¡Ïî×Ö·û´®ÒÔ :£¨Ã°ºÅ£©¿ªÍ·£¬
Ãû³Æ ½«±»ÉèΪ ? £¨Îʺţ©×Ö·û£¬ÕâÊǶÔδ֪µÄÑ¡ÏîÀ´ËµµÄ£¬»òÕßΪȱÉÙµÄËùÐèÑ¡ÏîÉèΪ:£¨Ã°ºÅ£©×Ö·û£¬
OPTARG ½«±»ÉèÖÃΪÒѲéÕÒµ½µÄÑ¡Ïî×Ö·û£¬²¢ÇÒ
±ê×¼´íÎóÖн«²»Ð´ÈëÈκÎÊä³ö¡£
ÒÔÏÂÈκÎ×Ö·û¶¼¿ÉÒÔʶ±ðÑ¡Ïî½áβ£ºÌØÊâÑ¡Ïî- -,²éÕÒµ½²»ÒÔ-,»òÕß Îª¿ªÍ·µÄ²ÎÊý,»òÕßÓöµ½´íÎó¡£
µ±Óöµ½Ñ¡Ïî½áβʱ£º
getopts ÃüÁÍ˳öÔËÐÐ,²¢ÇÒ·µ»ØÖµ´óÓÚÁ㣬
OPTARG ½«±»ÉèÖÃΪµÚÒ»¸ö·ÇÑ¡Ïî²ÎÊýË÷Òý£¬ÔÚÕâÖÖÇé¿öÏ£¬Èç¹ûµÚÒ»¸ö - - ²ÎÊý֮ǰδ³öÏÖÆäËü·ÇÑ¡Ïî²ÎÊý£¬½«ÈÏΪËüÊÇÑ¡Ïî²ÎÊý£¬»òÕßÈç¹ûûÓзÇÑ¡Ïî²ÎÊý£¬ÉèÖÃΪֵ $# 1£¬
Ãû³Æ½«±»ÉèÖÃΪ? £¨Îʺţ©×Ö·û£¬
²ÎÊý
Ñ¡Ïî×Ö·û´®
°üº¬ getopts ÃüÁîʶ±ðµÄÑ¡Ïî×Ö·û´®¡£Èç¹û×Ö·ûºó´øÓÐðºÅ£¬ÔòÔ¤ÆÚÑ¡Ï´øÓвÎÊý£¬Ó¦¸ÃÒÔµ¥¶À²ÎÊýµÄÐÎʽÌṩ´Ë²ÎÊý¡£¿ÉÒÔÓÿոñ½«Ñ¡ÏîÓë²ÎÊý·Ö¸ô¿ª¡£Èç¹ûÑ¡Ïî×Ö·ûÊÇδ֪µÄ»òÕßÑ¡Ïî²ÎÊý¶ªÊ§£¬ÔòÑ¡Ïî×Ö·û´®ÖеĵÚÒ»¸ö×Ö·û½«¾ö¶¨ getopts ÃüÁîµÄÐÐΪ¡£
×¢Ò⣺ӦÓóÌÐò²»Ó¦¸Ã½«ÎʺźÍðºÅ×Ö·û×÷ΪѡÏî×Ö·û¡£Ê¹ÓÃÆäËü·Ç×ÖĸÊý×ÖµÄ×Ö·û»á²úÉú²»Ã÷µÄ½á¹û¡£
Ãû³Æ
ÓÉ getopts ÃüÁî¶Ô²éÕÒµ½µÄÑ¡Ïî×Ö·ûÉèÖá£
²ÎÊý ...
Ò»¸ö»ò¶à¸ö±»¿Õ¸ñ·Ö¸ôµÄ×Ö·û´®£¬ÓÉ getopts ÃüÁîУÑéÊÇ·ñ
Ïà¹ØÎĵµ£º
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......
Ubuntu9.10 ¾ÙÀý£¨ÒòΪËü·½±ã£¬N¶à¶«Î÷Ò»Ö±½ÓÔÚÏß°²×°£¬Ê¡µÃ±àÒëÁË£©£¬ÆäËûlinux»ù±¾Ïàͬ£¨²»Í¬µÄ¾ÍÊÇÓÐЩҪ½øÐÐÔ´Âë°²×°£¬µ«Óõ½µÄÈí¼þÊÇÒ»ÑùµÄ£©£¬Õû¸ö°²×°ÎÒÒÔ¾×ö³É½Å±¾·Å·½±ãÏÂÔØ°²×°
°²×°ies4linuxÖв¿·Ö²Î¿¼×Ô£ºhttp://hi.baidu.com/unknown379/blog/item/df70c3ef54742d31adafd506.html
Éæ¼°µÄÈí¼þ
1¡¢wine£¬ÊÇÒ ......
º¯ÊýÔÐÍ£º
#include <pthread.h>
int pthread_create(pthread_t *restrict tidp,const pthread_attr_t *restrict attr, void *(*start_rtn)( ......
linuxϵͳ϶Ը÷Îļþ½øÐдò°ü»ò½âѹ·½·¨
1.tar ÃüÁî
»ù±¾ÃüÁîÑùʽ£º
tar -²ÎÊý °ü Ô´Îļþ»òÎļþ¼Ð
³£ÓòÎÊý£º
-c ´´½¨Ðµİü
-f Ö¸¶¨°üµÄÎļþÃû
-r ½«Îļþ¼ÓÈëÒÑÓеİü
-u ¸üаüÖеÄÎļþ
-t Áгö°üÖÐËùÓÐÎļþ
-x ½â¿ª°üÖÐËùÓÐÎļþµ½µ±Ç°Ä¿Â¼
-v ÏÔʾִÐй ......