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Re: operators available in bash versions
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From: |
Mike Frysinger |
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Subject: |
Re: operators available in bash versions |
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Date: |
Mon, 30 Nov 2009 12:35:32 -0500 |
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User-agent: |
KMail/1.12.3 (Linux/2.6.31.4; KDE/4.3.3; x86_64; ; ) |
On Monday 30 November 2009 12:12:17 Greg Wooledge wrote:
> On Mon, Nov 30, 2009 at 11:15:38AM -0500, Mike Frysinger wrote:
> > On Monday 30 November 2009 06:12:35 Gerard wrote:
> > > I need to know if " $(< " also works on Bash < 4.
> >
> > it's been around for pretty much all time. bash-2 had it for sure, and
> > that is ancient.
>
> It doesn't exist in bash 1.14.7, which is the oldest version I have
> available. It does exist in 2.04, which is the second oldest I have.
bash-2 was released over a decade ago and for doing any realistic work, that
is the same as 'all time'. realistically, you're going to run into
portability problems with the tools run in the script rather than the script
itself.
-mike
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