Simon Gaiser: > Marek Marczykowski-Górecki: >> On Wed, Aug 01, 2018 at 10:36:26AM -0400, Jason Andryuk wrote: >>> On Mon, Jul 30, 2018 at 11:56 PM, Marek Marczykowski-Górecki >>> <marma...@invisiblethingslab.com> wrote: >>>> This allows using arguments with spaces, like -append. >>>> Stubdomain side of this require "xenstore-client: Add option for raw >>>> in-/output" commit. >>> >>> I had to look up \x1b - it is ascii escape. Since I was on the >>> www.asciitable.com, I saw \x1e is "record seperator" which might make >>> more sense. >> >> Simon, do you remember why you used \x1b? Otherwise indeed changing to >> \x1e would make sense. > > As far as I recall it's a mostly arbitrary choice. I think I choose 0x1b > because I thought that ASCII escape would be very unlikely to ever > appear in an cmdline. 0x00 would be even better but you don't want to > handle 0x00 in bash. I'm not aware of a problem with 0x1e.
PS: If you follow the Wikipedia description [1] of the "separator" control characters 0x1f would fit even better. But I don't think it really matters what rare character we use. [1]: https://en.wikipedia.org/wiki/C0_and_C1_control_codes#FS
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