asciier

#!/bin/bash

# Character to ASCII number converter.
# Let's make it nice and easy.

# VARIABLES.
EXIT="$HOME/output" # Place to store the ASCII sequence.


# Let's make the user choose if he/she wants a string
# or maybe parse a text file.

echo "Hello, and welcome to this ASCII converter."
echo "What do you want to translate? A string or a full file?"
echo "1) A string."
echo "2) Content of a text file."

echo -n "Please, select option by number: "
read ENTRY

# Option 1: a string.
if [ $ENTRY -eq 1 ]; then
	echo -n "Ok, tell me your string: "
	read STRING
# Option 2: translate the content of a file.
elif [ $ENTRY -eq 2 ]; then
	echo -n "Ok, tell me the full route to the file: "
	read ROUTE
	STRING=$(<$ROUTE)
fi


# Parsing the characters, one at a time.
for ((i=0; i<${#STRING}; i++)); do # Advance if there is still characters.
	printf "%03d " \'${STRING:$i:1} >> $EXIT # Piping them to the file.
	j=$i+1 # Auxiliar.
	if [[ $((j%8)) -eq 0 ]]; then # Each 8 characters...
		printf "\n" >> $EXIT # ... Insert a new line.
	fi
done
printf "\n" >> $EXIT # To insert a new line at the end.