Re: ? Unsafe terminal escape sequences and ANSI codes from decryption

"G.K." <[email protected]> writes:
> Another distinction occurs to me that might ease the problem
> requirement. Is there a cheap way to distinguish between control codes
> and formatting codes (color, foreground, background, underline,
> blinkenlights) codes in a text stream.

'less -R' does something along those lines. I don't know if the
filtering code is conveniently separable from the rest of 'less', but
it might be a start: somebody else has already done the work of making a
set of decisions about which codes count in which category.
-- 
import hashlib; print((lambda p,q,g,y,r,s,m: (lambda w:(pow(g,int(hashlib.sha1(
m.encode('ascii')).hexdigest(),16)*w%q,p)*pow(y,r*w%q,p)%p)%q)(pow(s,q-2,q))==r
and s%q!=0 and m)(12342649995480866419, 2278082317364501, 1670428356600652640,
5398151833726432125, 645223105888478, 1916678356240619, "<[email protected]>"))