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- set hamilton = `whereis csh.exe`:h:h
- while (1)
- cls
- echo 'Welcome to the Hamilton C shell demo!'
- echo
- echo
- echo 1 D% ^# First, go to the Hamilton C shell directory...
- echo 2 D% cd +c $hamilton
- cd +c $hamilton
- sleep
- echo
- echo
- echo 3 D% ^# List the contents of the directory. Notice how subdirectories
- echo 4 D% ^# are shown highlighted. The C shell makes extensive use of color
- echo 5 D% ^# all colors are completely user-customizable.
- echo 6 D% ls -l
- ls -l
- sleep 4
- echo
- echo
- echo 7 D% ^# Now list the bin directory, showing all the utilities. Notice
- echo 8 D% ^# that all the usual favorites such as grep, fgrep, head, tail,
- echo 9 D% ^# etc., are included.
- echo 10 D% ls bin
- ls bin
- sleep 6
- echo
- echo
- echo 11 D% ^# Hamilton C shell has aliases. Here^'s an alias for the more
- echo 12 D% ^# filter, starting it up in interactive mode ^(so it^'ll first
- echo 13 D% ^# clear the screen and stay around even if it^'s less than a
- echo 14 D% ^# screenful.^)
- echo 15 D% alias mi
- alias mi
- sleep 4
- echo
- echo
- echo 16 D% ^# Everything always has online help with the -h option. Here
- echo 17 D% ^# we^'ll pipe the help for grep into head, which will print just
- echo 18 D% ^# the first 10 lines.
- echo '19 D% grep -h | head'
- grep -h | head
- sleep 1
- echo
- echo
- echo 20 D% ^# The C shell is a powerful scripting lanuguage. Here^'s an
- echo 21 D% ^# example, factoring a large number. Notice that we can time
- echo 22 D% ^# any command to see how long it takes.
- echo 23 D% time factor 1234123412
- time factor 1234123412
- sleep 6
- echo
- echo
- echo 24 D% ^# factor is really a C shell script. We can find it with the
- echo 25 D% ^# whereis command ...
- echo 26 D% whereis factor
- whereis factor
- sleep 6
- echo
- echo
-
- set f = `whereis factor`
- if ($#f > 1) then
- echo 27 D% ^# Let^'s go browse factor. Here we^'ll use the history facility
- echo 28 D% ^# to pick up the text of the previous command ^(the whereis
- echo 29 D% ^# factor^) by typing '!!'. The backquotes around it are command
- echo 30 D% ^# substitution, meaning run the command and paste the output
- echo 31 D% ^# back on the command line as an argument to more, using the
- echo 32 D% ^# :0 operator to pick off just the first occurrence we found.
- echo 33 D% more ^`!!^`:0
- echo 'more `whereis factor`:0'
- more $f:0
- else
- echo 27 D% ^# Let^'s go browse factor. Here we^'ll use the history facility
- echo 28 D% ^# to pick up the text of the previous command ^(the whereis
- echo 29 D% ^# factor^) by typing '!!'. The backquotes around it are command
- echo 30 D% ^# substitution, meaning run the command and paste the output
- echo 31 D% ^# ^(the d:\hamilton\bin\factor.csh pathname^) back on the command
- echo 32 D% ^# line as an argument to more...
- echo 33 D% more ^`!!^`
- echo 'more `whereis factor`'
- more `whereis factor`
- endif
- echo 34 D% ^# Notice that Hamilton C shell has procedures, a genuine numeric
- echo 35 D% ^# for loop, built-in functions like floor and sqrt and procedures
- echo 36 D% ^# can even be recursive. Not surprisingly, a lot of customers
- echo 37 D% ^# are using Hamilton C shell with thousands of lines of scripts.
- echo 38 D% ^# For example, Sybase uses it to run the build for SQL Server,
- echo 39 D% ^# Microsoft^'s languages group uses it to run nightly regression
- echo 40 D% ^# tests, etc.
- sleep 15
- echo
- echo
- @ S = char(driveno(SystemRoot) + code('A') - 1)
- echo 41 D% ^# Finally, the C shell has a lot of creature comforts such as
- echo 42 D% ^# filename and command completion, command line editing and
- echo 43 D% ^# advanced wildcarding. Here we^'ll search the entire $S^: disk
- echo 44 D% ^# looking for all the DLL^'s whose names start with ^'d^' ...
- echo 45 D% "time ls -L $S^:\...\d*.dll"
- time ls -L $S^:\...\d*.dll
- sleep 8
- echo
- echo
- echo 46 D% ^# For folks coming from a UNIX background -- or anyone looking
- echo 47 D% ^# simply for a more powerful scripting or development environment,
- echo 48 D% ^# Hamilton C shell can be very attractive, offering instant
- echo 49 D% ^# productivity gains.
- sleep 15
- end
-