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Full Discussion: batch or wordlist search and replace in one file
Top Forums Shell Programming and Scripting batch or wordlist search and replace in one file Post 302086166 by zerobreach.com on Tuesday 22nd of August 2006 05:00:55 PM
Old 08-22-2006
batch or wordlist search and replace in one file
Hello Experts!

I've become perplexed as to why I can't get this to work and have given up the male "I can do it" attitude. I am asking the unix experts.

The script I am writing involves reading a file that contains thousands of keywords (not csv), just one line after another of keywords and keyword phrases. I am attempting to read each line and carry this "keyword variable" into sed or perl and search and replace the variables in a single file if found.

#!/bin/bash
set +v
IFS=$'\n'

for i in `cat wordlist.txt | dos2unix | sed -e 's/ *$//'`
do
#./mksr "$i" "\<a href=\"http:\/\/www.domain.com\"\>$i\<\/a\>" ./articles.txt
#perl -pi -e 's/search/replace/g' *.text
perl -pi -e 's@$i@<a href=http://www.domain.com>$i</a>@g' articles.txt
#cat articles.txt | sed -e 's@$i@<a href=http://www.domain.com>$i</a>@' > articles.tempfile
#cat articles.txt | tr '$i' '<a href=http://www.domain.com>$i</a>' > articles.tempfile
echo "<a href=http://www.domain.com>$i</a>"
done


------------wordlist-----------
dj
djs
dvd
card
free
ring
vows
bride
cakes
dress
-----------wordlist---------

-----------article-----------
Title: Beverages 101

Subhead: Wines for your Special Day

As the last note of recessional music fades into history and the last scrap of choice confetti (be it birdseed or rice) hits the earth, the guests rise from their seats and begin to scour the premises, all with one target on their minds ...
-----------article------------

What the heck am I doing wrong in the for loop?

Any help would be greatly appreciated! I've spend three days on this and can't seem to find one example on the internet of someone trying to do this. Lots of examples of how to do a single word sed s/blah/blah2/g on many files, but no multiple interactions of search and replace same file with a keyword lists!
 

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LEARN ABOUT BSD

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)
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