Re: how to delete lines containing a pattern and not containing another pattern?

On Thursday, January 23, 2014 11:51:16 PM UTC+9, Chan Kim wrote:
>  I'm a long-time vi(m) user and I have question.Can I remove lines that contain a pattern but not another pattern?For example, Line 1 : rabbitLine 2 : arch sparcLine 3 : arch armLine 4 : tigerI want to remove lines containing arch but not containing sparc.So Here I want to remove only line 3 leaving lines 1, 3 and 4 intact. I can remove lines containg 'arch' by:g/arch/dI can remove lines not containing 'sparc' by:g!/sparc/dHow do I combine those two?I tried:g/arch/&!/sparc/d  or :g/arch&!sparc/dBut of course it doesn't work. (with escape before ! also)Is there a way to remove only line 3? I looked it up in the manual but in vain..Thank you!
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Thank you Tim and Ben (I'll read Ben's post later..)
But I found maybe the nicest one. The following line does it.
:v /sparc/s/.*arch.*\n//
I guessed the meaning of :v command concluding that it says
'for every line not containing 'sparc', replace '.*arch.*\n'(line containing arch together with return) with null. in case of no search pattern(..arch..), ignore it.
ref : http://stackoverflow.com/questions/11807713/multiple-g-and-v-commands-in-one-statement (Zecc's reponse)

Chan

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