I would use something like the following command line. 
find -name cynlogging.properties -exec perl -p -i.backup -e 's/search/
+replace/g' {} \;

[download]
For example: 
$ mkdir x

$ cd x

$ mkdir b

$ date > asdf

$ date > b/asdf

$ cat asdf 
Wed Oct  8 13:11:35 MDT 2008

$ find . -name asdf -exec perl -p -i.backup -e 's/1/XXX/g' {} \;

$ cat asdf 
Wed Oct  8 XXX3:XXXXXX:35 MDT 2008

$ cat b/asdf 
Wed Oct  8 XXX3:XXXXXX:37 MDT 2008

$ cat asdf.backup 
Wed Oct  8 13:11:35 MDT 2008

[download]

In reply to Re: Open Files in Unix by superfrink
in thread Open Files in Unix by swartzieee

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