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extracting Line between HTML tag

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# 8  
Old 03-01-2012
Quote:
Originally Posted by newlook2011
1st Thanks to huaihaizi3 ,agama for quick responds.

@agama note: T is GNU sed only
Yes, I seem to always forget that. A BSD sed just for completeness:

Code:
sed -n 's/.*<tag>//; !t 
s/<\/tag>.*//; !t 
p'

Newlines required.
# 9  
Old 03-02-2012
Quote:
Originally Posted by newlook2011
1st Thanks to huaihaizi3 ,agama[..]Between can you care to explain code. I am hitting man awk, could not find appropriate answers.
-F\>Use > as a field separator.
/^tag>/if a record starts with "tag" followed by > then
{print $2}print the second field of the record. Since the field separator is set to > $1 will be the tag and $2 will be the content
RS=\<Use < as record separator instead of a newline

---------- Post updated at 09:12 ---------- Previous update was at 09:06 ----------

They can be slightly improved still:
Code:
awk '$1==t{print $2}' RS=\< FS=\> t="tag" infile

removing newlines:
Varying tag:
Code:
awk '$1==t{gsub(ORS,x);print $2}' RS=\< FS=\> t="tag" infile
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