[lldb-dev] How to preserve command history?

[Andrzej Warzynski via lldb-dev]

Hello,

I've just tried using lldb on Ubuntu* and I couldn't get the command
history to work. More specifically, the command history was not
preserved between the sessions. IIUC, one has to create the lldb-history
file for this to work:

mkdir -p ~/.lldb/
touch ~/.lldb/lldb-history

This is rather non-obvious and AFAIK undocumented solution (and very
different to what's required with GDB).

Is there a better way to achieve this? Would it make sense to update the
docs with this information (e.g.
https://lldb.llvm.org/man/lldb.html#configuration-files)? I'm happy to
submit a patch.

Thanks,
-Andrzej

* lldb-8 on Ubuntu 16.04
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