Shell Programming and Scripting

set users = (user1 user2 user3)

echo The users are
echo $users[*]
echo Enter the USER NAME 
set USER_NAME = $<
set i = 1;
for ( i = 1; i <= $#users; i++ )
if ( $USER_NAME == $users[i] ) then
mkdir root/project/$USER_NAME
else echo INVALID USER!!!!
endif
done

#!/bin/csh
set users = (user1 user2 user3)
echo The users are
echo $users[*]
set found = 0
while ( $found == 0 )
  echo Enter the USER NAME 
  set USER_NAME = $<
  foreach user ($users)
    if ( $USER_NAME == $user ) then
      echo mkdir root/project/$USER_NAME
      set found = 1
      break
    endif
  end
  if ( $found == 0 ) then
    echo "INVALID USER: $USER_NAME \!\!\!"
  endif
end