Re: Printing in red during output from head

[Chris Elvidge]

On 22/07/2021 05:55 pm, lisa-asket@perso.be wrote:
> Could things be made to work with tput ?

find "$fdir" -type f -name "*.org" -o -name "*.texi" | \
        xargs head -n "$n" | \
        sed -r "s/^==>.*<==$/$(tput bold; tput setaf 1)&$(tput sgr0)/"

seems to work - note " instead of '

Update: you don't seem to need the preceding $, either


> From: Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
> To: Dennis Williamson <dennistwilliamson@gmail.com>
> Subject: Re: Printing in red during output from head
> Date: 22/07/2021 18:22:36 Europe/Paris
> Cc: help-bash <help-bash@gnu.org>
>
> i agree
>
> the like $'s/^==> .* <==$/\e[31m&\e[m/'
>
> On Thu, Jul 22, 2021, 18:16 Dennis Williamson <dennistwilliamson@gmail.com>
> wrote:
>
> > On Thu, Jul 22, 2021, 9:54 AM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
> > wrote:
> >
> > > u'r right :)
> > >
> > > On Thu, Jul 22, 2021, 16:52 Chris Elvidge <celvidge001@gmail.com> wrote:
> > >
> > > > On 22/07/2021 02:22 pm, Alex fxmbsw7 Ratchev wrote:
> > > > > sed -r $'s/^(==>)(.*)(<==)$/\e[31m\\1\\2\\3\e[m/g'
> > > >
> > > > You don't need the g at the end (I think)
> > > >
> > > > --
> > > > Chris Elvidge
> > > > England
> >
> > You also don't need the capture groups since you're not doing anything
> > with them except outputting them exactly as they were captured.
> >
> > >


--
Chris Elvidge
England