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parsing url string

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# 1  
Old 10-19-2007
parsing url string
Hi,

I have a url like this:-

http://resource.ibab.ac.in/cgi-bin/pubmed_abstract/y.cgi?pmid=+1.10529272+&pmid=+3.8379586

I want to parse the url string.I want to get the values

1.10529272 3.8379586

How do i do that?
# 2  
Old 10-19-2007
if you have GNU awk
Code:
awk 'BEGIN{}
{
 b = gensub(/.*pmid=(.+)..pmid=(.+)/, "\\1 \\2", "g", $0)
 print b
}

' "file"

# 3  
Old 10-19-2007
Code:
$ s="http://resource.ibab.ac.in/cgi-bin/pubmed_abstract/y.cgi?pmid=+1.10529272+&pmid=+3.8379586"
$ (IFS=+;set -- $(printf "%s" "$s"|cut -d+ -f2,4);printf "%s %s\n" "$1" "$2")
1.10529272 3.8379586

With GNU cut:
Code:
% s="http://resource.ibab.ac.in/cgi-bin/pubmed_abstract/y.cgi?pmid=+1.10529272+&pmid=+3.8379586"
% printf "%s" "$s"|cut -d+ -f2,4 --output-delimiter=" "
1.10529272 3.8379586

# 4  
Old 10-19-2007
Code:
awk -F"+" '{ print $2, $4 }' filename

# 5  
Old 10-22-2007
Quote:
Originally Posted by matrixmadhan
Code:
awk -F"+" '{ print $2, $4 }' filename

Hi

Is there something in CGI which we can parse URL.

so that i can parse many values and get many pmid's!
# 6  
Old 10-22-2007
Code:
s="http://resource.ibab.ac.in/cgi-bin/pubmed_abstract/y.cgi?pmid=+1.10529272+&pmid=+3.8379586+&pmid=123456"
awk -v string="$s" 'BEGIN { 
startpmid = index(string,"pmid")
string=substr(string,startpmid)
gsub(/[&=+]|pmid/," ",string)
print string 
}'

output:
Code:
# ./test.sh
   1.10529272     3.8379586    123456

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