Re: Why grep still exists?

[Travis Crump <pretzalz@techhouse.org>]

jqdkf@zju.edu.cn wrote:
> Hi,
>
> I'm just wondering why grep still exists in every distribution of UNIX
> or UNIX like system. As egrep can support a full featured regular
> expression, it is much more powerful than grep. Is it only for backport
> support?

$cat `which egrep`
#!/bin/sh
exec grep -E ${1+"$@"}

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