while, until ¹® »ç¿ë º¸±â

logout °¨½ÃÇϱâ(?):

   #!/bin/sh
   while who |grep -s $1 >/dev/null
   do
     sleep 60
   done
   echo "$1 »ç¿ëÀÚ logout ÇßÀ½."

ÀÌ ½ºÅ©¸³Æ®´Â ½ºÅ©¸³Æ® ÀÎÀÚ·Î ÁÖ¿öÁø »ç¿ëÀÚ¸¦ ã¾Æ¼­, ÇöÀç Á¢¼ÓÁßÀ̸é, 60ÃÊ µÚ¿¡ ´Ù½Ã È®ÀÎÇØ º¸°í, ÀÌ·¸°Ô ÇØ¼­, Á¢¼Ó ÁßÀÌ ¾Æ´Ò¶§±îÁö °è¼Ó È®ÀÎÇØ¼­, Á¢Á· ÁßÀÌ ¾Æ´Ï¸é, ±× ¸Þ½ÃÁö¸¦ º¸À̰í, ½ºÅ©¸³Æ®¸¦ Á¾·áÇÕ´Ï´Ù.


ÆÄÀÏÀÌ ¸¸µé¾î Á³´ÂÁö È®ÀÎÇÏ´Â ¿¹Á¦:

   #!/bin/sh
   until test -f $FILE
   do
     sleep 60
   done
   echo "$FILE ÆÄÀÏ ¸¸µé¾îÁ³À½."

À̰ÍÀº FILE º¯¼ö¿¡ ÁöÁ¤µÈ ÆÄÀÏÀÌ ¸¸µé¾î Áú ¶§±îÁö °è¼Ó °Ë»çÇØ¼­, ¸¸µé¾îÁö¸é, ±× ¸Þ½ÃÁö¸¦ º¸À̰í, ³¡³À´Ï´Ù.


»ç¿ëÀÚ Á¢¼Ó °Ë»ç:

   #!/bin/sh
   PATH=/bin:/usr/bin
   # $# º¯¼ö´Â ÀÎÀÚÀÇ °¹¼ö°¡ ÀúÀåµÇÁö¿ä.
   case $# in
   1) ;;
   *) echo '»ç¿ë¹ý: watchfor username' ; exit 1
   esac
   until who | grep -s "$1" >/dev/null
   do
     sleep 60
   done
   echo "$1 »ç¿ëÀÚ Á¢¼ÓÇßÀ½."

¸¸¾à¿¡ ÀÌ ½ºÅ©¸³Æ®¸¦ ½ÇÇàÇÒ¶§, ¾Æ¹« ÀÎÀÚµµ ÁÖÁö ¾Ê°Å³ª, µÎ°³ ÀÌ»óÀÇ ÀÎÀÚ¸¦ ÁÖ¸é, ´ÙÀ½°ú °°Àº ¸Þ½ÃÁö¸¦ º¸ÀÏ °ÍÀÔ´Ï´Ù.

   »ç¿ë¹ý: watchfor username

±×¸®°í´Â Á¾·áµÇ°ÚÁö¿ä.


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