Date: Tue, 5 Dec 2017 20:01:46 -0500 From: Pedro Giffuni <pfg@FreeBSD.org> To: Cy Schubert <Cy.Schubert@komquats.com> Cc: Devin Teske <devin@shxd.cx>, Hans Petter Selasky <hps@selasky.org>, "rgrimes@freebsd.org" <rgrimes@freebsd.org>, "cem@freebsd.org" <cem@freebsd.org>, Eitan Adler <eadler@freebsd.org>, src-committers <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r326554 - in head: . usr.bin/spongeusr.bin/sponge/tests usr.bin/tee Message-ID: <4FE900E7-10E6-4909-BB4A-C5E6F83FF515@FreeBSD.org> In-Reply-To: <20171205171721.73E1C2D8@spqr.komquats.com> References: <20171205171721.73E1C2D8@spqr.komquats.com>
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Hello; > On Dec 5, 2017, at 12:17, Cy Schubert <Cy.Schubert@komquats.com> = wrote: >=20 > What side effects? Can you give one or two examples, please? >=20 Sorry, I forgot the details .. but I am pretty sure there was exp-run = and breakage in the ports tree. Pedro. > --- > Sent using a tiny phone keyboard. > Apologies for any typos and autocorrect. > This old phone only supports top post. Apologies. >=20 > Cy Schubert > <Cy.Schubert@cschubert.com> or <cy@freebsd.org> > The need of the many outweighs the greed of the few. > --- > From: Pedro Giffuni > Sent: 05/12/2017 08:40 > To: Cy Schubert; Devin Teske; Hans Petter Selasky > Cc: rgrimes@freebsd.org; cem@freebsd.org; Eitan Adler; src-committers; = svn-src-all@freebsd.org; svn-src-head@freebsd.org > Subject: Re: svn commit: r326554 - in head: . = usr.bin/spongeusr.bin/sponge/tests usr.bin/tee >=20 >=20 > On 05/12/2017 11:29, Cy Schubert wrote: >> Why not update sed to create the backup file only if the suffix is = given to -i, like gnu sed does. >>=20 >=20 > No, no .. there have been several failed attempts at that that cause = nasty side effects. > It is also a rather non-standardish thing to do. >=20 > Pedro. >=20 >> --- >> Sent using a tiny phone keyboard. >> Apologies for any typos and autocorrect. >> This old phone only supports top post. Apologies. >>=20 >> Cy Schubert >> <Cy.Schubert@cschubert.com> <mailto:Cy.Schubert@cschubert.com> or = <cy@freebsd.org> <mailto:cy@freebsd.org> >> The need of the many outweighs the greed of the few. >> --- >> From: Devin Teske >> Sent: 05/12/2017 07:35 >> To: Hans Petter Selasky >> Cc: rgrimes@freebsd.org <mailto:rgrimes@freebsd.org>; cem@freebsd.org = <mailto:cem@freebsd.org>; Eitan Adler; src-committers; = svn-src-all@freebsd.org <mailto:svn-src-all@freebsd.org>; = svn-src-head@freebsd.org <mailto:svn-src-head@freebsd.org> >> Subject: Re: svn commit: r326554 - in head: . usr.bin/sponge = usr.bin/sponge/tests usr.bin/tee >>=20 >>=20 >> > On Dec 5, 2017, at 5:00 AM, Hans Petter Selasky <hps@selasky.org> = <mailto:hps@selasky.org> wrote: >> >=20 >> >> On 12/05/17 13:58, Rodney W. Grimes wrote: >> >> Further more, why does freebsd need this in base? >> >=20 >> > Hi, >> >=20 >> > I think this is useful. It could replace the "-i " (intermediate) = option for "sed" for example. It avoids creating temporary files when = filtering files, right? >> >=20 >> > --HPS >> >=20 >>=20 >> Wth is wrong with: >>=20 >> data=3D$( sed -e '...' somefile ) && >> =C3=AF=C2=BF=C2=BD=C3=AF=C2=BF=C2=BD=C3=AF=C2=BF=C2=BD=C3=AF=C2=BF=C2=BD= =C3=AF=C2=BF=C2=BD=C3=AF=C2=BF=C2=BD=C3=AF=C2=BF=C2=BD echo "$data" > = somefile >>=20 >> or >>=20 >> set -e >> data=3D... >> echo "$data" > ... >>=20 >> or >>=20 >> exec 3<<EOF >> $( ... ) >> EOF >> cat > ... <&3 >>=20 >> or >>=20 >> (I digress) >>=20 >> Infinite variations, but the gist is that sponge looks to be trying = to help sh(1)/similar when help is unneeded. >>=20 >> Why buffer data into memory via fork-exec-pipe to sponge when you can = buffer to native namespace without pipe to sponge? >>=20 >> Am I missing something? Why do we need sponge(1)? >> --=20 >> Devin >>=20 >=20
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