Date: Wed, 26 Aug 2020 09:57:35 +0200 From: Christoph Kukulies <kuku@kukulies.org> To: Tim Daneliuk <tundra@tundraware.com> Cc: "Dr. Nikolaus Klepp" <dr.klepp@gmx.at>, freebsd-questions@freebsd.org Subject: Re: Sed pattern help - not FreeBSD related Message-ID: <725F5FBC-A6EC-4694-8916-917B98872458@kukulies.org> In-Reply-To: <98370951-3D75-4B31-B7EE-D7578BB44D2E@kukulies.org> 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> <dc18cd27-aa0b-9897-748c-10f742a4357d@tundraware.com> <98370951-3D75-4B31-B7EE-D7578BB44D2E@kukulies.org>
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my solution:
$ sed =
's/^\([A-Z0-9]*\)\(:*\)\([[:space:]]*\)\(DC[[:space:]]*[*][+]2\)/\1\2\3DC =
\1+2/' <el2
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
Thanks for helping.
=E2=80=94
Christoph
> Am 26.08.2020 um 09:04 schrieb Christoph Kukulies <kuku@kukulies.org>:
>=20
>=20
>=20
>> Am 26.08.2020 um 01:46 schrieb Tim Daneliuk <tundra@tundraware.com>:
>>=20
>> 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)
>>>>>>=20
>>>>>>> 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
>>>>>=20
>>>>> Here is a one-liner using sed and awk. It suffers from two =
deficiencies:
>>>>>=20
>>>>> - It does not handle arbitrarily long comments
>>>>> - It's really ugly
>>>>>=20
>>>>> sed s/':'//g < myfile | awk '{print $1":", $2, $1"+2", $4, $5, =
$6, $7, $8, $9. $10}'
>>>>>=20
>>>>=20
>>>>=20
>>>> Oops, not quite right because it inserts colons blindly in the =
first field -
>>>> which appears not what you want. More correct implementation in =
Python:
>>>>=20
>>>> !/usr/bin/env python
>>>>=20
>>>> import sys
>>>>=20
>>>> for line in sys.stdin.readlines():
>>>>=20
>>>> line =3D line.strip().split()
>>>> label =3D line[0]
>>>> comment =3D " ".join(line[3:])
>>>> print("%s DC %s+2 %s" %(label, label.replace(':', ''), =
comment))
>>>>=20
>>>>=20
>>>>=20
>>>=20
>>>=20
>>> sed 's#^\([^ \t]*\)\([^*]*\)[*]#\1\2\1#' <el2
>>>=20
>>>=20
>=20
>=20
> My problem was that BSD sed doesn=E2=80=99t recognize [ \t] as white =
space. GNU sed does.
>=20
> I was trying the command under FreeBSD sed and macOS sed.
>=20
>>> nik
>>>=20
>>>=20
>>>=20
>=20
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