Command Mode
------------
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This is the default and will just execute one command at a time. It's simple
but the downside is that if you are going to interact quite a bit with the
blobstore, the startup time for the application can be cumbersome.
Shell Mode
----------
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You startup shell mode by using the -S command. At that point you will get
a "blob>" prompt where you can enter any of the commands, including -h,
to execute them. You can stil enter just one at a time but the initial
Script (aka test) Mode
----------------------
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In script mode you just supply one command with a filename when you start
the cli, for example `blobcli -T test.bs` will feed the tool the file
called test.bs which contains a series of commands that will all run
it runs into an invalid line (ie './blobcli -T test.bs ignore`).
Sample test/bs file:
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~~~{.sh}
# this is a comment
-i