Paul M Foster a écrit :
> On Wed, Jan 07, 2009 at 11:11:53PM +0000, Luke Slater wrote:
>
>> Hi,
>>
>> I'm storing ANSI escape sequences in an array, stored like this:
>>
>> $connections[$channel][2] = $info['colour'];
>>
>> $info['$colour'] would contain something like \033[33m
>>
>> Now, my problem is when I try and print it:
>>
>> $pstring = $connections[$channel][2] . $connections[$channel][1] . " " .
>> $buffer . chr(7);
>>
>> It will print as a literal string, actually printing \033[33m to the
>> screen, so how do I make it work?
>>
>> I'm sure I'm missing something fatally simple here.
>>
>> Thanks for your help,
>>
>> Luke Slater
>
> What you're storing is human shorthand for bytes sent to the display.
> (I'm assuming you're working with the terminal here, not a browser
> window.) The \033 indicates an octal byte with that value. But when you
> send it, you're sending each character individually to the screeen. That
> is '\' is one byte, '0' is the next, '3' the next, etc. That '\033' (and
> subsequent codes) need to be coded as single bytes and sent bytewise to
> the terminal. And if your terminal isn't configured to accept ANSI
> excape codes, it won't work anyway.
>
> Your chr(7) is the clue. Your codes, if numeric, need to be converted to
> integers and given to the chr() function, and output using that
> function. Try converting some known codes into integers, outputting them
> via the chr() function, and seeing if the result is what you expected.
>
> You may need to use the inverse function, ord(), to get your codes into
> numeric form. For example, ord('m') will return decimal 109. That's only
> an example, since you should be able to send single characters to the
> terminal as is.
>
> Paul
Hi,
Interesting and so easy solution, last time I tried it I had to
re-initialize my console!! It sure works better and is also much more
secured. I'll give it a try on bsd and solaris consoles too (still
doesn't work on cygwin)
fred
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