From: Ford, Phillip (phillip.ford@SPCORP.COM)
Date: Wed Mar 19 2003 - 13:45:16 EST
In the O'reilly book "sed & awk" there is an example of working in awk with
multiline records (i.e. stanzas). If you had the following file
John smith
SP corp
Boston
MA 12345
696-0022
Jane doe
Ddd corp
New york
NY 23456
334-1234
If you do the following in awk
BEGIN ( FS = "\n"; RS = "" )
(print $1 , $NF )
This says to make the field separator the line feed and the record separator
a blank line and would print the following:
John smith 696-0022
Jane doe 334-1234
If you wanted the output to be stanzas then add OFS = "\n", ORS = "\n\n" to
the begin block and you would get
John smith
696-0022
Jane doe
334-1234
If nothing else you could use awk to reformat it out of stanza mode to work
with and then another awk to put it back into stanza mode. Awk can call
other scripts and pass its fields to the other script for processing. The
book is really great and should be in everyone's book case.
Hope that helps some
--
Phillip Ford
Senior Software Specialist
Corporate Computer Center
Schering-Plough Corp.
(901) 320-4462
(901) 320-4856 FAX
phillip.ford@spcorp.com
-----Original Message-----
From: Bruce Harvey [mailto:BruceH@ROUTESCAPE.COM]
Sent: Wednesday, March 19, 2003 11:05 AM
To: aix-l@Princeton.EDU
Subject: Re: AW: Scripting: processing stanzas
I know exactly what Simon's talking about, I think.
For example, the info in /etc/passwd is in 'record' format, while
/etc/security/passwd is in "stanza" format. It'd be nice to have a routine
that could parse multi-line entries.
It's easy to parse one like the /etc/passwd file, where the fields are
separated by 'colons' (field1:field2:field3:...), but it's much more of a
pain when your record separator is a line of whitespace, not just a line
ending. Example:
Entry1
name = fred
address = 123 Anywhere Lane
address1 = Bungalow A-2
city = RightHere
county = line
province = rightbigone
country = mine
telephone = +012-34-5-67-89
Entry2
name = irving
address = (none)
city = nowhere
telephone = 0000000000
Entry 3
... and so on and so forth.
It would be very nice to have a utility that could:
1. parse all of the stanzas to obtain all member values
2. "flatten" the file into one line, if necessary
3. retrieve a member value (or all) given an entry name
4. Retrieve all entry name with a given member value
5. ... etc.
If I were twiddling my thumbs, this is what I'd write and the way I'd write
it. However, I actually have work to do, so is there some overpaid jock
somewhere willing to do this? perl would be desired. ;-)
----------------------------------
Bruce T. Harvey (Special Projects)
----------------------------------------
bth@comcast.net -- bruceh@routescape.com
410-236-5721 (cell) -- 410-403-2390 (off.)
-------------------------------------------
Insight Distribution Systems / CoAxis, Inc.
Hunt Valley, Maryland U.S.A. 21031-1422
-------------------------------------------
-----Original Message-----
From: Holger.VanKoll@SWISSCOM.COM [mailto:Holger.VanKoll@SWISSCOM.COM]
Sent: Wednesday, March 19, 2003 11:50 AM
To: aix-l@Princeton.EDU
Subject: [aix-l] AW: Scripting: processing stanzas
Hello Simon,
I dont understand what you want to do.
Could you give an example?
Regards, Holger
-----Ursprüngliche Nachricht-----
Von: Green, Simon [mailto:Simon.Green@EU.ALTRIA.COM]
Gesendet: Mi 19.03.2003 16:20
An: aix-l@Princeton.EDU
Cc:
Betreff: Scripting: processing stanzas
Is there any utility analogous to getopt that can be used to process
input
data in stanza format? Has to be useable with a Korn shell script,
as I
don't speak Perl or anything clever like that.
If not, any convenient tricks? I'm writing something from scratch,
so I
have complete control over the data format but stanzas would be
simple to
maintain.
Simon Green
Altria ITSC Europe s.a.r.l.
AIX-L Archive at http://marc.theaimsgroup.com/?l=aix-l&r=1&w=2
AIX FAQ at http://www.faqs.org/faqs/aix-faq/
N.B. Unsolicited email from vendors will seldom be appreciated.
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