* [9fans] egrep in Plan9
@ 2009-10-23 3:40 Dimitry Golubovsky
2009-10-23 3:57 ` Russ Cox
0 siblings, 1 reply; 2+ messages in thread
From: Dimitry Golubovsky @ 2009-10-23 3:40 UTC (permalink / raw)
To: 9fans
Hi,
Does there exist a Plan9 version of egrep or grep that understands -E
option like GNU grep does?
Thanks.
--
Dimitry Golubovsky
Anywhere on the Web
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [9fans] egrep in Plan9
2009-10-23 3:40 [9fans] egrep in Plan9 Dimitry Golubovsky
@ 2009-10-23 3:57 ` Russ Cox
0 siblings, 0 replies; 2+ messages in thread
From: Russ Cox @ 2009-10-23 3:57 UTC (permalink / raw)
To: Fans of the OS Plan 9 from Bell Labs
On Thu, Oct 22, 2009 at 8:40 PM, Dimitry Golubovsky
<golubovsky@gmail.com> wrote:
> Does there exist a Plan9 version of egrep or grep that understands -E
> option like GNU grep does?
In Plan 9, all tools accept the same regular expression syntax,
and that syntax is the one used by the Unix egrep.
#!/bin/rc
if(~ $1 -E) shift
exec grep $*
Russ
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