Re: [Bug-ed] ed -p flag

[Antonio Diaz Diaz]

Hello Richard,

Richard Hum wrote:
> For some reason, the -p flag for ed requires a non-empty arguement. Is
> this really necessary?

Of course it isn't really necessary, but it is documented[1][2][3] this 
way and so I have maintained it this way.

[1]http://www.gnu.org/software/ed/manual/ed_manual.html#Invoking-Ed
[2]http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ed.html
[3]http://linux.die.net/man/1/ed


> I edited carg_parser.c, commented out lines
> 194-196 and it still works perfectly.

You did what? If all you want is to make the argument to -p optional, 
you should have changed line 148 of main.c to
    { 'p', "prompt",            ap_maybe },


> I only did this because without
> the -p flag, ed does not output correctly when using a netcat bind
> shell. I believe this has something to do with how ed handles output.
> I don't know exactly why though.

What do you mean by "ed does not output correctly"?
Did you try to toggle the prompt with the 'P' command?


Regards,
Antonio.