Skip Montanaro <s...@pobox.com> writes: > On Tue, Aug 19, 2014 at 3:44 AM, Lele Gaifax <l...@metapensiero.it> wrote: >> Given these lines in the history: >> >> >>> a=10 >> >>> a-=1 >> >>> print(a) >> 9 > > Suppose you have the above, as you indicated. Ctl-P your way back to > the a=10 line. Press Ctl-O. It executes that assignment and fills the > input buffer with "a-=1". Instead of just pressing Ctl-O, type a "1" > first, changing the input buffer to "a-=11". *Now* press Ctl-O. I > assume it executes that statement. You've edited the line, however. > Does it present you with the print statement or not?
Yes, it presents the print statement. Another Ctrl-O will present "a-=11" again, and so on. > I guess I could have answered my own question using bash: > > firefly% a=10 > firefly% a='a' > firefly% echo $a > a > firefly% a=10 > firefly% a='b' > firefly% echo $a > b > > The second batch of three lines were executed from history with this > key sequence: > > Ctl-P Ctl-P Ctl-P Ctl-O DEL DEL b ' Ctl-O RET > > That's pretty cool. Even if I never live to see it in Python (I'm > still using 2.7), I will definitely start using it in bash. :-) Yes, it's very handy indeed! ciao, lele. -- nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia. l...@metapensiero.it | -- Fortunato Depero, 1929. -- https://mail.python.org/mailman/listinfo/python-list
