Modify the foreach_1 script (page 404) so that it takes the command to exec as an argument.
What will be an ideal response?
$ cat foreach_2
#!/bin/tcsh
# routine to zero-fill argv to 20 arguments
#
set buffer = (0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0)
set count = 1
#
if ($#argv > 21) goto toomany
#
set cmd = $1
# check that first arg is valid command
which $1 > /dev/null
if ($? > 0) goto usage
shift
#
foreach argument ($argv[*])
set buffer[$count] = $argument
@ count++
end
#
exec $cmd $buffer[*]
#
toomany:
echo "Too many arguments given."
echo "Usage: foreach_2 command [up to 20 arguments]"
exit 1
#
usage:
echo "First argument must be a command."
echo "Usage: foreach_2 command [up to 20 arguments]"
exit 1
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You are the network manager for a computer training center that allows students to bring their own laptops to class for learning and taking notes. Students need access to the Internet, so you have configured your network's DHCP server to issue IP addresses automatically. Which DHCP option should you modify to make sure you are not wasting addresses used by students who have left for the day?
What will be an ideal response?
Type can be modified using all the transform commands on the Edit menu except Perspective and ____________________.
Fill in the blank(s) with the appropriate word(s).