Le 24/01/2016 11:27, Florian Zieboll a écrit :
On Sat, 23 Jan 2016 21:11:46 +0100
Adam Borowski<kilob...@angband.pl> wrote:
>On Sat, Jan 23, 2016 at 08:10:31PM +0100, Florian Zieboll wrote:
>
> >I had played a bit with the tiling and highly (GUI) configurable
> >"Terminator" but was bounced back to xterm very quickly due to its
> >footprint and wrote the following secremote.sh script. It has not
> >been tested with more than the few defined colors but I am not
> >aware of any limitations other than that of the X11 palette.
>
>This approach breaks the moment you ssh from an existing terminal,
>especially if you ssh from box 2 to box 3.
>
>I'd instead recommend setting PS1 in .bashrc on those machines to
>something distinct.
Nice that this also works Xless / on the console:) Although I am not
too much into working from "behind proxies", I had a closer look at the
PS1 strings Didier posted in this thread on Friday. I could find the
backslash escaped special/characters/ documented in the bash(1)
manpage. A web search for the text formatting (colors and style) of
course returned a lot of results, including several "PS1 generators",
some "Extreme Power Prompt" examples [1] and this extensive "Bash
Prompt HOWTO" [2] at TLDP. But where would I have to look "on board"
for a documentation of these powerful escape sequences?
By the way, I just noticed that packages.debian.org has the doc-linux
package listed no longer but in oldoldstable.
Ahoi,
Florian
[1]http://www.askapache.com/linux/bash-power-prompt.html
[2]http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/
Thanks for the links. Actually I think I derived my PS1 settings
from an example found in some default .bashrc. I found the colors by try
and fail, or maybe I looked at what ncurses was producing. Of course you
don't want to use ncurses here since you want to keep a scrolling
terminal. I eventually wrote a simple C programs which changes the
color. It understands color names in english and french - easy to change
to your prefered language.
Steve can see the use I make of indentation and curly braces
placement is non-standard, but it makes blocks more visible :-)
#include <stdio.h>
#include <curses.h>
#include <term.h>
#include <string.h>
static int myputc(int c)
{
return fputc(c, stdout);
}
#define defcolor max_colors+1
#define SETCOLOR(C) tputs(tparm(set_foreground, C), 1, myputc)
int main(int argc, char **argv)
{
const char * const couleurs[] =
{"noir", "bleu", "vert", "cyan", "rouge", "magenta", "jaune", "gris"};
const char * const colours[] =
{"black", "blue", "green", "cyan", "red", "magenta", "yellow", "grey"};
int c;
char choix[8];
if(isatty(1)) setupterm(NULL, 1, NULL);
else return 0;
if(argc>1)
{
for(c=0; argv[1][c] && c<8; c++) choix[c] = tolower(argv[1][c]);
choix[c] = '\0';
for(c=0; c<8; c++)
{
if(!strncmp(couleurs[c], choix, strlen(couleurs[c]))) break;
if(!strncmp(colours[c], choix, strlen(couleurs[c]))) break;
}
}
else c = defcolor;
SETCOLOR(c);
fflush(stdout);
return 0;
}
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