====Cygwin: 7-Zip====
I reloaded cygwin this week and have been having a ball with it.  I want to get a new laptop and load ubuntu on it.  In the meantime, I honing my linux skills at work and with cygwin.

One thing that makes linux magic is bash scripting.  It certainly helps in doing back-ups.  But I wanted to us 7-zip for it.  After a couple hours poking around on the web, I discovered the documentation packaged with 7-zip and got it to do want I want it to do.

What was missing on the web were some practical examples.  I've provided a few below (adjust paths appropriately):

==Command Line==
%%(bash)
# command
> /cygdrive/c/Program\ Files/7-zip/7z.exe

# command: add / 7z format / target file / source file
> /cygdrive/c/Program\ Files/7-zip/7z.exe a -t7z c:/cygwin/ad_inf/archive.7z c:/cygwin/ad_inf/seed7z.txt

# command with password: add / 7z format / target file / password / source file
> /cygdrive/c/Program\ Files/7-zip/7z.exe a -t7z c:/cygwin/ad_inf/archive.7z -pPassword c:/cygwin/ad_inf/seed7z.txt

# with piping
> echo 'this is a test' | /cygdrive/c/Program\ Files/7-zip/7z.exe a -t7z -siinput_stream.txt -aPassword c:/cygwin/ad_inf/piped_input.7z 
%%