Added script to convert ASCII art to a C string.

convert_ascii_2_string.sh

@@ -0,0 +1,84 @@
+#!/bin/sh
+
+#################################################################
+# Script to convert ASCII art to a C string.                    #
+#                                                               #
+# Author:           Maximilian Stiefel                          #
+# Last modified:    13. December 2017                           #
+# CLI usage:        ./convert_ascii_2_string.sh file string     #
+# Required PKGs:                                                #
+#                                                               #
+#################################################################
+
+#################################################################
+# Vars                                                          #
+#################################################################
+OUTPUT="$1_converted"
+NU_PARAMS=2
+STR=$2
+CHARS=0
+LINES=0
+
+#################################################################
+# Action                                                        #
+#################################################################
+
+# Check if the expected number of parameters is given.  
+if [ $# != $NU_PARAMS ]
+  then
+  echo "Error: Illegal number of parameters."
+  echo "Correct usage is:"
+  echo "./convert_ascii_2_string.sh filename stingname"  
+  exit 1; 
+fi
+
+# Check if file already exists. 
+if [ ! -f "$OUTPUT" ] ; then
+  # if not create the file
+  touch "$OUTPUT"
+else
+  while true; do
+    read -p "File already exists. Overrite? (y/n) " yn
+    case $yn in
+      [Yy]* ) break;;
+      [Nn]* ) exit 1;;
+          * ) echo "Please answer yes (y) or no (n).";;
+    esac
+  done 
+fi
+
+# Loop through every line to get size of array to produce
+while IFS='' read -r LINE || [[ -n "$LINE" ]]; do
+  LENGTH=${#LINE}
+  # Add one \n every line
+  CHARS=$((CHARS+LENGTH+1))
+  LINES=$((LINES+1))
+done < "$1"
+
+# Create C stuff.
+echo -n "const char $STR[$CHARS] = {" > "$OUTPUT"
+
+echo "About the input file"
+echo "--------------------"
+echo "Lines: $LINES"
+echo "About the output string"
+echo "--------------------"
+echo "Chars: $CHARS"
+
+# Loop through every line
+j=0
+while IFS='' read -r LINE || [[ -n "$LINE" ]]; do
+  LENGTH=${#LINE}
+  for i in $(seq "$((LENGTH-1))")
+  do 
+    echo -n "'${LINE:$i:1}', " >> "$OUTPUT"
+  done
+  j=$((j+1))
+  if [ $j -eq $LINES ]
+  then
+    # Finish with \0
+    echo "'\n', '\0'};" >> "$OUTPUT"
+  else
+    echo "'\n', " >> "$OUTPUT"
+  fi
+done < "$1"