Re: Construct ANSI colour codes

[pauline-galea]

I need something clear because the reference suggests hard-coded colors
but for foreign systems you should rely on terminfo/termcap even if buggy.

I could actually do both.  Have begun using the following code.  Trying to
remove the first letter from "fgcl".

colr="Gn_dRd"
fgcl=`echo "$colr" | awk 'BEGIN {FS="_"} {print $2}'`

echo "fgcl: $fgcl"

case "$fgcl" in
  "Bk")
     s="30m"
     ;;
  "Rd")
     s="31m"
     ;;
  "Gn")
     s="32m"
     ;;
  "Yl")
     s="33m"
     ;;
  "Bl")
     s="34m"
     ;;
  "Mg")
     s="35m"
     ;;
  "Cy")
     s="36m"
     ;;
  "Wh")
     s="37m"
     ;;
  *)
     s=""
     ;;
esac



> Sent: Thursday, April 08, 2021 at 8:32 AM
> From: "Matias Fonzo" <selk@dragora.org>
> To: pauline-galea@gmx.com
> Cc: "help bash" <help-bash@gnu.org>
> Subject: Re: Construct ANSI colour codes
>
> El 2021-04-07 17:13, pauline-galea@gmx.com escribió:
> > I need ideas on how to construct ANSI colour codes, without hard-coding
> > them.  Would really still need some scheme such that the actual 
> > selection
> > is human readable.  Perhaps a function that returns you the format 
> > string.
> > 
> > Example of scheme
> > 
> > 'd' for dim, 'n' for normal
> > 'Gn' for Green, 'Rd' for Red, 'Bl' for blue
> > 
> > 'dGn' for dim green foreground
> > 
> > 'Bl_dGn' for blue background and dim green foreground
> 
> See https://mywiki.wooledge.org/BashFAQ/037
> 
>