grep command

grep can be used to match literal string in text file

• #grep "string" full_file_name

print string but except '#' char at first line and remove blank lines

• #grep -v "^$\|^\s*[#]" full_file_name

find string in file

• find . -name '*.*' -exec grep -i 'string to search for' {} \; -print

and then compress files

• find /path/ -name "pattern" -type f -exec tar -rvf {} +
• find /path/ -name "pattern" -type f -print0 | xargs tar cvf compress.tar