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best_editor.sh

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+#!/bin/bash
+#
+# Best Editor is only for the best typists, and is written assuming
+#   that real coders and writers don't need to see what they type 
+#   to know how perfect it is.
+#
+# But honestly this program is just a piece of satire written due to
+#   a joke between three friends about the opposite of self-documenting
+#   code, which we decided is self-obfuscating code (Perl).
+#
+# Date:       2019-04-20
+# Programmer: HyperVegan
+# Purpose:    Amuse friends.
+#
+# Parameters:
+#   $0 - Program name.
+#   $1 - File to edit, does not need to exist already.
+#
+#######################################################################
+
+PROG=${0##*/}
+
+## Functions ##
+function usage {
+   echo "Usage:"
+   cat << EOF 
+   $PROG name_of_file_to_edit_or_create
+EOF
+   exit 1
+}
+
+function display {
+   contents="$1"
+   clear
+   # Hidden
+   #contents=$(echo -e $contents | sed -e 's/[a-zA-Z0-9]/*/g')
+   # More Hidden
+   contents="$(echo -e $contents | sed -e 's/[^ \n\t\r]/*/g')"
+   # Most Hidden
+   #contents="$(echo -e $contents | sed -e 's/[^\`]/*/g')"
+   cat << EOF
+$contents
+
+   Editing $filename
+
+   Press \` to create a newline.
+   Press Enter or Return to backspace.
+   Press ~ to escape from the best editor.
+EOF
+
+   if [[ $debug == "1" ]]; then
+   cat << EOF 
+
+
+-= DEBUG:  Real contents of the file are below =-
+$(cat $filename)
+EOF
+   fi
+}
+
+
+## Validations ##
+if [[ -z "$1" ]]; then
+   echo "ERROR:  No file name passed!"
+   usage
+fi
+
+if [[ $2 == "debug" ]]; then
+   debug=1
+   echo "Debug mode enabled... cheater."
+elif [[ ! -z "$2" ]]; then
+   echo "ERROR:  Hey, only one parameter allowed. Let's not over-complicate this."
+fi
+
+if [[ "$1" == *" "* ]]; then
+   echo "ERROR:  Seriously, spaces in a filename? You aren't one of us, get out."
+fi
+
+filename=$1
+
+
+## Main ##
+# Put the file into a variable
+touch $filename
+file="$(cat $filename)"
+display "$file"
+# No idea why but there is a bug here. This first display shows the obfuscated file
+#   all in one line, but after entering a character it all gets adjusted correctly.
+
+# Edit the file, but only from the end. :)
+IFS=''
+while read -e -n1 letter; do
+   # Allow an escape
+   if [[ "$letter" == '~' ]]; then
+      break
+   fi
+
+   # Allow newlines
+   if [[ "$letter" == '`' ]]; then
+      letter="\n"
+   fi
+
+   # Allow backspacing
+   if [[ "$letter" == '' ]]; then
+      file="${file%?}"
+   fi
+
+   # Add the letter to the end and save the file
+   file="$file""$letter"
+   echo -e "$file" > $filename
+
+   # Obfuscate and display file
+   display "$file"
+done
+
+
+exit 0