Basic Escaped-Character Usage

#!/bin/bash # escaped.sh: escaped characters ############################################################# ### First, let's show some basic escaped-character usage. ### ############################################################# # Escaping a newline. # ------------------ echo "" echo "This will print as two lines." # This will print # as two lines. echo "This will print \ as one line." # This will print as one line. echo; echo echo "=============" echo "\v\v\v\v" # Prints \v\v\v\v literally. # Use the -e option with 'echo' to print escaped characters. echo "=============" echo "VERTICAL TABS" echo -e "\v\v\v\v" # Prints 4 vertical tabs. echo "==============" echo "QUOTATION MARK" echo -e "\042" # Prints " (quote, octal ASCII character 42). echo "==============" # The $'\X' construct makes the -e option unnecessary. echo; echo "NEWLINE and (maybe) BEEP" echo $'\n' # Newline. echo $'\a' # Alert (beep). # May only flash, not beep, depending on terminal. # We have seen $'\nnn" string expansion, and now . . . # =================================================================== # # Version 2 of Bash introduced the $'\nnn' string expansion construct.