Sed pattern help - not FreeBSD related

[Christoph Kukulies]

> Am 26.08.2020 um 01:46 schrieb Tim Daneliuk <tundra at tundraware.com>:
> 
> 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
>> 
>> 


My problem was that BSD sed doesn’t recognize [ \t] as white space. GNU sed does.

I was trying the command under FreeBSD sed and macOS sed.

>> nik
>> 
>> 
>> 

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