*Posible SPAM Detectado* Re: [GRASS5] Rgb to hex question

Daniel Calvelo Aros dcalvelo at minag.gob.pe
Sun May 22 21:48:58 EDT 2005


From: Hamish <hamish_nospam at yahoo.com>
Sent: Mon, 23 May 2005 12:00:04 +1200
>
> > I need to transform r:g:b triplets to hexidecimal colors in a bash
> > shell script. Does anyone have an expression that will do that?
> 
> awk with %x or %X:
> 
> echo 255 | awk '{printf("%x\n", $1)}'
> 
> echo 255:255:255 | tr ':' ' ' | awk '{printf("%X:%X:%X\n", $1, $2, 
> $3)}'

or, one process saved:

echo 255:128:64 | awk -F: '{printf("%X:%X:%X\n",$1,$2,$3)}'

Daniel.




More information about the grass-dev mailing list