Search Results

its searching for the patter " 04" without quotes from the file "file1" and if found, redirect those records to "file1.out"

alternative way is:

awk '/ 04/ {print}' file1 > file1.out
or

awk...

Try something like:
find -name "*[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]*"