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acctman

08-02-2010 09:47 PM

sed command line help

I'm trying to get this sed command to work correctly. I need to retrieve a specific "string" from: terms_id=string&location
below is what i'm working with so far.

Code:

sed -ne 's/^.*terms_id=$[^&]*$&.*$/\1/'

fris	08-02-2010 10:06 PM

whats wrong with it?

test.txt

Quote:

terms_id=shit&location
terms_id=sex&location
terms_id=scat&location
terms_id=porn&location
terms_id=bbw&location
terms_id=teen&location

Quote:

[chris@jumbo ~]$ sed 's/^.*terms_id=$[^&]*$&.*$/\1/' test.txt
shit
sex
scat
porn
bbw
teen

acctman

08-02-2010 10:24 PM

Quote:

Originally Posted by fris (Post 17383220)

whats wrong with it?

test.txt

hmm I noticed that you removed -ne, it works without that. also is there a way to make it append the outputs each time the command is run? it seems to be writing a new file each time I run the command. thanks

Code:

sed 's/^.*terms_id=$[^&]*$&.*$/\1/' test.txt > getIDs.txt

fris	08-02-2010 10:30 PM

test.txt >> getIDS.txt

CYF	08-02-2010 10:30 PM

Quote:

Originally Posted by acctman (Post 17383235)

Code:

sed 's/^.*terms_id=$[^&]*$&.*$/\1/' test.txt > getIDs.txt

sed 's/^.*terms_id=$[^&]*$&.*$/\1/' test.txt >> getIDs.txt

acctman

08-02-2010 10:39 PM

thanks Fris and CYF :thumbsup

acctman

08-02-2010 11:54 PM

back with another question. it keeps grabbing all the html coding around the string. I can see that its finding the string in the output but its also grabbing the html coding content as well.

Code:

#! /bin/sh



if [ $# -ne 2 ]; then

    echo "usage: $0 termfile baseurl" >&2

    exit 1

fi

termfile="$1"

baseurl="$2"



while read term; do

    wget -q -O- "$baseurl/server.php?all=$term" |

                sed 's/^.*terms_id=\([^&]*\)&.*$/\1/'

done < "$termfile"

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