A few years ago I mused about bootstrapping a development system under MS-DOS from the
command line. Now, I personally haven't done that, but I can see how it
could be done.
Evans came close to doing just that (link via Hacker News). He
“cheated” by having a program that converted hex codes to binary. It's
not that bad though, under Linux, you have a bit of an easier time
generating binary data:
/bin/echo -e "\177\105\114\106\001\001\001\000..." >hex1
(it's coincidental that this method also uses octal values instead of
hex—Unix began life in an octal environment).
That small quibble aside, Edmund did the bootstrapping procedure pretty
much how I envisioned it.
And in following a few more links from the Hackers News
commentary, I see that Kragen
Sitaker referenced my previous entry and did the initial bootstrap (making a
program to read text into binary) from the MS-DOS command line (how
odd—that mailing list with
only one member).
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