home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam  


while ( expression )

As long as expression is true (evaluates to nonzero), evaluate commands between while and end . break and continue can terminate or continue the loop. See also the Example under shift .


set user = (alice bob carol ted)
while ($argv[1] != $user[1])
   Cycle through each user, checking for a match

   shift user
   If we cycled through with no match...

   if ($#user == 0) then
     echo "$argv[1] is not on the list of users"
     exit 1

Previous: Reference: wait UNIX in a Nutshell: System V Edition Next: Reference: @
Reference: wait Book Index Reference: @

The UNIX CD Bookshelf NavigationThe UNIX CD BookshelfUNIX Power ToolsUNIX in a NutshellLearning the vi Editorsed & awkLearning the Korn ShellLearning the UNIX Operating System