From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <526FE8DB.5040709@gmx.de>
Date: Tue, 29 Oct 2013 17:56:59 +0100
From: Friedrich Psiorz <f.psiorz@gmx.de>
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To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] acme/sam language question
Topicbox-Message-UUID: 889cbe4a-ead8-11e9-9d60-3106f5b1d025

this should do the trick

/A/+#0;/B/-#0
g/CC/ s/CC/DD/g
p

~Fritz

Am 29.10.2013 16:31, schrieb Rudolf Sykora:
> Hello,
>
> how can I set a dot from after A to before B, then make a global
> substitution, within thus set dot, of CC to DD and print the resulting
> text?
>
> I.e., if there isn't any CC between A and B, just print what's between
> A and B, if there is, change it to DD and print all between A and B.
>
> I have sth like this
>
> /A/+#0;/B/-#0 s/CC/DD/g
> p
>
> which works if there *is* the CC, but not if it is not there; then the
> s command just resets the dot to an empty set.
>
> Thank you
> Ruda
>