sed - extract text from xml file


 
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# 1  
Old 02-09-2012
sed - extract text from xml file

hi,

please help, i have an xml file, e.g:

...
<tag> test text
asdas="${abc}"
xvxvbs:asdas${222}sdad

asasa="${aa_bb_22}"
</tag>
...

i want to extract all "${...}", e.g:
${abc}
${222}
${aa_bb_22}

thank you.
# 2  
Old 02-09-2012
Does you grep have a -o option? (man grep | grep '^[ \t]*\-o') then you can try this:
Code:
grep -o '${[^}]*}' infile

# 3  
Old 02-10-2012
try this

Code:
 egrep -o '\$\{[^ ]+\}' filename

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