Clean ups

2024/day-9/solution-2.sh

@@ -9,7 +9,9 @@ read -r -a SPARSE_ARRAY <<< "$(
   do
     if [[ $(( INDEX % 2 )) -eq 0 ]]
     then
-      for (( i=1; i<=CHAR; i++ )) do printf "%s " "$FILE_ID"
+      for (( i=1; i<=CHAR; i++ )) 
+      do 
+        printf "%s " "$FILE_ID"
       done
       (( FILE_ID++ ))
     else
@@ -21,8 +23,8 @@ read -r -a SPARSE_ARRAY <<< "$(
     (( INDEX++ ))
   done <<< "$( sed -E 's/(.)/\1\n/g' "$FILE" | grep -v '^$' )"
 )"
-printf "%s" "${SPARSE_ARRAY[@]}" | fold -w 100
-printf "\n"
+#printf "%s" "${SPARSE_ARRAY[@]}" | fold -w 100
+#printf "\n"
 printf "Sparse array len: %s\n" "${#SPARSE_ARRAY[@]}"
 SHADOW_ARRAY=( "${SPARSE_ARRAY[@]}" )
 
@@ -86,12 +88,13 @@ do
   # Space length ok, can proceed
   if [[ $FILE_SIZE -le $CONT_SPACE ]]
   then
-    # Move the file to head of contiguous space
+    # Move cursor to head of contiguous space
     (( k-= CONT_SPACE ))
     while [[ $FILE_SIZE -gt 0 ]] && \
           [[ ${SHADOW_ARRAY[k]} -eq -1 ]] && \
           [[ ${SHADOW_ARRAY[j+FILE_SIZE]} -ne -1 ]]
     do
+      # Perform copy
       SHADOW_ARRAY[k]=$ID
       SHADOW_ARRAY[j+FILE_SIZE]=-1
       (( k++ ))
@@ -103,8 +106,9 @@ do
     continue
   fi
 done
-printf "%s " "${SHADOW_ARRAY[@]}" | fold -w 100 | tee final-result | cat
-printf "\n"
+#printf "%s " "${SHADOW_ARRAY[@]}" | fold -w 100 | tee final-result | cat
+printf "%s " "${SHADOW_ARRAY[@]}" > final-result
+#printf "\n"
 
 # Generate checksum for shadow array
 CHECKSUM=0