+ scripts to extract images from pdfs, + scripts to rename the image files accordingly

Scripts/rename_1764.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+
+# Create a new directory for the renamed files
+mkdir -p renamed_files
+
+# Copy all jpg files to the new directory
+cp *.jpg renamed_files/
+
+# Change to the new directory
+cd renamed_files
+
+# Function to calculate days between two dates
+days_between() {
+    date1=$(date -d "$1" +%s)
+    date2=$(date -d "$2" +%s)
+    echo $(( (date2 - date1) / 86400 ))
+}
+
+# Function to check if a date is Monday or Friday
+is_monday_or_friday() {
+    day=$(date -d "$1" +%u)
+    [[ $day == 1 ]] || [[ $day == 5 ]]
+}
+
+# Function to pad numbers with leading zeros
+pad() {
+    printf "%03d" $1
+}
+
+# Initialize variables
+start_date="1764-02-03"
+
+# Sort files by name (which will sort them chronologically)
+for file in $(ls -1 1764-*.jpg | sort); do
+    # Extract date from filename
+    current_date=$(echo "$file" | grep -oP '\d{4}-\d{2}-\d{2}')
+    
+    # Calculate the issue number
+    issue_number=1
+    temp_date="$start_date"
+    while [[ "$temp_date" != "$current_date" ]]; do
+        if is_monday_or_friday "$temp_date"; then
+            ((issue_number++))
+        fi
+        temp_date=$(date -d "$temp_date + 1 day" +%Y-%m-%d)
+    done
+    
+    # Count the number of files for this date
+    pages_in_issue=$(ls -1 "$current_date"*.jpg | wc -l)
+    
+    # Determine the page number within this issue
+    page_in_issue=$(echo "$file" | grep -oP '_(\d+)\.jpg$' | cut -d'_' -f2 | cut -d'.' -f1)
+    
+    # Calculate the starting page number for this issue
+    starting_page=$((4 * (issue_number - 1) + 1))
+    
+    # Calculate the actual page number
+    actual_page=$((starting_page + page_in_issue - 1))
+    
+    # Create new filename based on number of pages in the issue
+    if [ $pages_in_issue -le 4 ]; then
+        new_name="1764-$(pad $issue_number)-$(pad $actual_page).jpg"
+    else
+        if [ $page_in_issue -le 2 ] || [ $page_in_issue -gt $((pages_in_issue - 2)) ]; then
+            new_name="1764-$(pad $issue_number)-$(pad $actual_page).jpg"
+        else
+            new_name="1764-$(pad $issue_number)b-$(pad $((page_in_issue - 2))).jpg"
+        fi
+    fi
+    
+    # Rename file
+    mv "$file" "$new_name"
+done
+
+echo "Files have been renamed in the 'renamed_files' directory."