Date: Tue, 25 Aug 2020 18:46:33 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: "Dr. Nikolaus Klepp" <dr.klepp@gmx.at>, freebsd-questions@freebsd.org Subject: Re: Sed pattern help - not FreeBSD related Message-ID: <dc18cd27-aa0b-9897-748c-10f742a4357d@tundraware.com> In-Reply-To: <202008260125.55781.dr.klepp@gmx.at> References: <6B02E882-D3EE-4721-B572-BFAF5C6BAC66@kukulies.org> <81c68558-175c-efef-7e43-e6cb87f3329b@tundraware.com> <5f319e25-5eaf-1ae1-3695-9a1fcc01f9be@tundraware.com> <202008260125.55781.dr.klepp@gmx.at>
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On 8/25/20 6:25 PM, Dr. Nikolaus Klepp wrote:
> Anno domini 2020 Tue, 25 Aug 18:05:45 -0500
> Tim Daneliuk scripsit:
>> On 8/25/20 5:44 PM, Tim Daneliuk wrote:
>>> On 8/25/20 4:02 PM, Christoph Kukulies wrote:
>>>> Excuses, the result should look like: (forgot the DC)
>>>>
>>>>> LOOP: DC LOOP+2
>>>>> DO: DC DO+2
>>>>> J: DC J+2
>>>>> ENCL: DC ENCL+2 PDP-11 VERSION OF ENCLOSE
>>>>> KEY DC KEY+2
>>>>> EMIT DC EMIT+2
>>>>> QTERM DC QTERM+2
>>>
>>> Here is a one-liner using sed and awk. It suffers from two deficiencies:
>>>
>>> - It does not handle arbitrarily long comments
>>> - It's really ugly
>>>
>>> sed s/':'//g < myfile | awk '{print $1":", $2, $1"+2", $4, $5, $6, $7, $8, $9. $10}'
>>>
>>
>>
>> Oops, not quite right because it inserts colons blindly in the first field -
>> which appears not what you want. More correct implementation in Python:
>>
>> !/usr/bin/env python
>>
>> import sys
>>
>> for line in sys.stdin.readlines():
>>
>> line = line.strip().split()
>> label = line[0]
>> comment = " ".join(line[3:])
>> print("%s DC %s+2 %s" %(label, label.replace(':', ''), comment))
>>
>>
>>
>
>
> sed 's#^\([^ \t]*\)\([^*]*\)[*]#\1\2\1#' <el2
>
>
> nik
>
>
>
Note quite right either... it preserves the trailing ':' if present in the 1st field in the '+2' field...
--
----------------------------------------------------------------------------
Tim Daneliuk tundra@tundraware.com
PGP Key: http://www.tundraware.com/PGP/
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