Find out special characters from xml file


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# 1  
DB Find out special characters from xml file

Hi....I have a xml file which is having lots of special characters which I need to find out and put the distinct list of those into a text file. The list of special characters is not specific, it can be anything at different point of time.

Can anyone help me to find out the same and list out?

I'm using KSH script.

Thanks & Regards,
Krishanu Saha
# 2  
The description seems pretty vague. How about a sample input file, with code tags, and the expected output?
# 3  
OK. Let me explain again. I have a xml file. I need to find out the special characters from that xml file except A-Z, a-z, 0-9 and the following list of symbols -

_ (underscore) , (comma) () (first brackets) & (ampersand) ; (semi colon) {} (2nd brackets) % (percentage) + (plus) < (less than) > (greater than) / (front slash) : (colon) = (equal to) . (dot) ' ' (space) " (double quotes) - (hyphen) \ (backslash) $ (dollar) and * (asterisks).

Apart from the above list any characters, symbols should be considered as invalid and need to find out the same.
# 4  
Does this awk serve your purpose?
Code:
awk '{gsub(/[a-zA-Z0-9_,()&;{}%+<>/:=. "\-\\$*]/,x)}NF' file.xml

# 5  
Thanks. But its no working.

I have tried -
Code:
awk '{gsub(/[a-zA-Z0-9_,()&;{}%+<>/:=. "-\$*]/,x)}NF' jhfnfull.xml > pqr.txt

but got the following error messages -
Code:
awk: syntax error near line 1
awk: illegal statement near line 1
awk: syntax error near line 1
awk: illegal statement near line 1


Last edited by Franklin52; 04-04-2013 at 03:20 AM.. Reason: Please use code tags for data and code samples
# 6  
Modified code:
Code:
awk '{gsub(/[a-zA-Z0-9_,()&;{}%+<>\/:=. "\-\\$*]/,x)}NF' file.xml

Note: Use nawk instead if you are on SunOS or Solaris
# 7  
Thank you....This is working. Let me do some testing.

---------- Post updated at 08:30 PM ---------- Previous update was at 04:36 PM ----------

Another help I need.....Now I need to keep A-Z, a-z, 0-9 and the following symbols in the xml file and remove all other symbols which are not listed here.

_ (underscore) , (comma) () (first brackets) & (ampersand) ; (semi colon) {} (2nd brackets) [] (3rd brackets), % (percentage) + (plus) < (less than) > (greater than) / (front slash) : (colon) = (equal to) . (dot) ' ' (space) " (double quotes) ' (single quote) - (hyphen) \ (backslash) $ (dollar) @ (at the rate) and * (asterisks).

Can anyone please help me on this?

Regards,
Krishanu

Last edited by Krishanu Saha; 04-03-2013 at 10:05 PM..
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