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Re: Fixing escape format when values are empty


From: Greg Wooledge
Subject: Re: Fixing escape format when values are empty
Date: Thu, 8 Apr 2021 07:06:39 -0400

On Wed, Apr 07, 2021 at 10:49:41PM -0500, Dennis Williamson wrote:
> On Wed, Apr 7, 2021, 10:47 PM <pauline-galea@gmx.com> wrote:
> 
> > I am using the following format to use colour when displaying text.
> > an is the attribute number, bn is the background number, fn is the
> > foreground number.
> >
> >   fmt="\e[${an};${bn};${fn}m"
> >   printf "${fmt}%s\e[0m" "Jane"

> > But "an", "bn", "fn" can be empty, and I then have to
> > fix fmt.

"Fix" in what way?

> Please use tput.

They're doing crazy shit.  I don't think tput can do this.  tput is
designed only to do regular shit.



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