Re: find with pipe to grep

From: Marek Stepanek (mstep_at_t-online.de)
Date: 07/25/05 

Date: Mon, 25 Jul 2005 13:31:33 +0200

On 25.07.2005 13:01, in article
slrnde9hk2.n5i.matteo.corti@casa.dyndns.info, "Matteo Corti"
<matteo.corti@gmail.com> wrote:

>
> Mmmm it seems that you need a more regular expression. Try with
>
> find -regex '.*\.html?$'
>
> This means: everything (.) repeated zero or more times (*) followed by a dot
> (escaped since in regex syntax the dot means everything) followed by htm and
> an optional l. The $ at the end means end of line.
>

>
> This is most probably due to the fact that you have spaces in your file
> names. grep is not able to understand them if they are not escaped.
>
> I don't know if this is the best option but you can put quotes around the
> file names like that
>
> find -regex '.*\.html?$' -printf '"%p"\n'
>
> If you pass these results to grep it will interpret them considering the
> space.
>
> Cheers,
>
> Matteo

thank you Matteo,

great lesson :-) I know quite well my regex working with BBEdit on
Macintosh. But there is still a little problem :

[markslap:~/Documents/latex] mareklap% find -regex '.*\.html?' -printf
'"%p"' | xargs grep -l "tabular"

gives (Line break from my email client)

find: illegal option -- r
find: illegal option -- e
find: illegal option -- g
find: illegal option -- e
find: -printf: unknown expression primary

I tried with:

find -E -regex '.*\.html?' -printf '"%p"\n' | xargs grep -l "tabular"

but I am not understanding the man page :

-E Interpret regular expressions followed by -regex and -iregex
    options as extended (modern) regular expressions rather than
    basic regular expressions (BRE's). The re_format(7) manual
    page fully describes both formats.

I also tried with :

% find -name -regex '.*\.html?' -printf '"%p"' | xargs grep -l "tabular"
% find -regex -name '.*\.html?' -printf '"%p"' | xargs grep -l "tabular"

thank you again

marek 

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