https://gist.github.com/un33k/1162378
https://www.thegeekstuff.com/2009/09/unix-sed-tutorial-printing-file-lines-using-address-and-patterns/ https://www.thegeekstuff.com/2009/09/unix-sed-tutorial-delete-file-lines-using-address-and-patterns/ https://www.thegeekstuff.com/2009/09/unix-sed-tutorial-replace-text-inside-a-file-using-substitute-command/
https://www.thegeekstuff.com/2009/10/unix-sed-tutorial-how-to-write-to-a-file-using-sed/
https://catonmat.nt/sed-one-liners-explained-part-one https://catonmat.net/sed-one-liners-explained-part-two https://catonmat.net/sed-one-liners-explained-part-three
https://catonmat.net/awk-one-liners-explained-part-one https://www.thegeekstuff.com/2010/01/awk-introduction-tutorial-7-awk-print-examples/
https://catonmat.net/bash-one-liners-explained-part-one
https://catonmat.net/bash-one-liners-explained-part-two
https://catonmat.net/bash-one-liners-explained-part-three
https://catonmat.net/bash-one-liners-explained-part-four
https://catonmat.net/bash-one-liners-explained-part-five
# rsync hidden files from remote host
rsync -avzP 10.78.203.183:/root/.[^.]* .