04-10-2006
First I suggest that you read our
rules which state:
(4) Do not 'bump up' questions if they are not answered promptly. No duplicate or cross-posting and do not report a post where your goal is to get an answer more quickly.
I will close your duplicate thread.
Then read our FAQ section. The tutorial article has links to 3 awk tutorials, 2 sed tutorials, and a link to a page with many other sed tutorials.
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can i do this? i am learning this on my own..and from the book..simple unix i am not sure if the syntax would work
if
statement
then
statement
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statement
fi....
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Hey all,
Can I put sed command inside the awk action ?? If not then can i do grep in the awk action ??
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please reflect... since I am beginner and dont know what to do
---------- Post updated at 04:25 AM ---------- Previous update was at 04:19 AM ----------
I am aware that awk is programming language and sed is just a tool (however people created some games with it). thanks (2 Replies)
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Hi Guys,
I need to learn awk and looking for some good resource with example. I have been using Unix from long time but awk is something always allude me. would be great if you guys could point me on some good stuff but less complicated one :)
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Hi All,
I have just now started learning awk from the source - Awk - A Tutorial and Introduction - by Bruce Barnett
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Question : 1
__________
/opt/oracle/work/antony>cat teledir.txt
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LEARN ABOUT OSF1
crosspost
CROSSPOST(8) System Manager's Manual CROSSPOST(8)
NAME
crosspost - create the links for cross posted articles
SYNOPSIS
crosspost [ -D dir ] [ -s ] [ file... ]
DESCRIPTION
Crosspost reads group and article number data from files or standard input if none are specified. (A single dash in the file list means to
read standard input.) It uses this information to create the hard, or symbolic, links for cross posted articles. Crosspost is designed to
be used by InterNetNews to create the links as the articles come in. Normally innd creates the links but by having crosspost create the
links innd spends less time waiting for disk IO. In this mode one would start innd(8) using the ``-L'' flag.
Crosspost expects input in the form:
group.name/123 group2.name/456 group3.name/789
with one line per article. Any dots in the input are translated into "/" to translate the news group into a pathname. The first field is
assumed to be the name of an existing copy of the article. Crosspost will attempt to link all the subsequent entries to the first using
hard links if possible or symbolic links if that fails.
By default, crosspost processes its input as an INN channel feed written as a ``WR'' entry in the newsfeeds(5) file, for example:
crosspost:*:Tc,Ap,WR:/usr/lib/news/bin/crosspost
To process the history file and re-create all the links for all articles use:
awk <history -F' ' '(NF > 2){print $3}' | crosspost
(where the -F is followed by a tab character.)
The ``-D'' flag can be used to specify where the article spool is stored. The default directory is /var/spool/news.
By default crosspost will fsync(2) each article after updating the links. The ``-s'' flag can be used to prevent this.
HISTORY
Written by Jerry Aguirre <jerry@ATC.Olivetti.Com>.
SEE ALSO
newsfeeds(5), innd(8).
CROSSPOST(8)