Date: Thu, 24 Feb 2011 15:51:47 -0430 From: Andres Perera <andres.p@zoho.com> To: Thorsten Glaser <tg@mirbsd.org> Cc: freebsd-questions@freebsd.org Subject: Re: Backtick versus $() Message-ID: <AANLkTinQ4MMwWq77k1t-SwqE%2BzPep6VCNS9AKdT_H08b@mail.gmail.com> In-Reply-To: <loom.20110224T210222-768@post.gmane.org> References: <alpine.BSF.2.00.1102201027170.56885@wonkity.com> <4D61599E.4040008@gmail.com> <AANLkTinJKcy8NyFzW9=6yKEY%2BF_payQVM108_=B7Gyjr@mail.gmail.com> <loom.20110224T210222-768@post.gmane.org>
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On Thu, Feb 24, 2011 at 3:36 PM, Thorsten Glaser <tg@mirbsd.org> wrote: > Andres Perera <andres.p <at> zoho.com> writes: > >> > Nowadays all shells supports $() so I advise you to use it :). >> >> no, not all shells support $() > > They do, it=E2=80=99s mandated by POSIX. There=E2=80=99s no reason to sup= port the > accidentally non-combining accent gravis (so-called =E2=80=9Cbacktick=E2= =80=9D=C2=B9) > any more, unless you specifically target Solaris 10 and below=E2=80=99s > /bin/sh (which always had a ksh and /usr/xpg4/bin/sh which both > are POSIX compatible), or, worse, the Bourne shell (you know, the > one where you wrote ^ instead of | for pipes). "mandated by posix" and reality usually aren't in sync, as i'm sure you kno= w by now since you pointed out solaris
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