AI/GPT generated Bash script to rename and set dates with exiftool

time-fix.sh

#!/bin/bash

# Folder where your images are located
folder="./"

# Loop through each image in the folder
for filename in "$folder"/*; do
  # Extract the date and time from the filename using regex
  if [[ $filename =~ ([a-z]{3,})-([0-9]{1,2})[a-z]{2}-([0-9]{4})-at-([0-9]{1,2})([0-9]{2})-([ap]m)\.[a-z]{3,4} ]]; then
    month="${BASH_REMATCH[1]}"
    day="${BASH_REMATCH[2]}"
    year="${BASH_REMATCH[3]}"
    hour="${BASH_REMATCH[4]}"
    minute="${BASH_REMATCH[5]}"
    ampm="${BASH_REMATCH[6]}"

    # Convert month name to month number
    case "${month,,}" in
      january) month_num="01" ;;
      february) month_num="02" ;;
      march) month_num="03" ;;
      april) month_num="04" ;;
      may) month_num="05" ;;
      june) month_num="06" ;;
      july) month_num="07" ;;
      august) month_num="08" ;;
      september) month_num="09" ;;
      october) month_num="10" ;;
      november) month_num="11" ;;
      december) month_num="12" ;;
    esac

    # Adjust hour for 12-hour format (PM/AM)
    if [[ "$ampm" == "pm" && "$hour" != "12" ]]; then
      hour=$((hour + 12)) # Convert PM to 24-hour format
    elif [[ "$ampm" == "am" && "$hour" == "12" ]]; then
      hour="00" # Midnight is 00 in 24-hour format
    fi

    # Ensure hour is in two-digit format (e.g., "01" instead of "1")
    day=$(printf "%02d" "${day#0}")
    hour=$(printf "%02d" "${hour#0}")
    minute=$(printf "%02d" "${minute#0}")

    # Format the extracted data to match EXIF date format
    exif_date="${year}:${month_num}:${day} ${hour}:${minute}:00"
    extension="${filename##*.}"
    exif_filename="${year}-${month_num}-${day}_${hour}-${minute}.$extension"
    cp "$filename" "./fixxed/$exif_filename"

    # Set the DateTimeOriginal tag with exiftool
    exiftool -overwrite_original -CreateDate="$exif_date" -ModifyDate="$exif_date" -DateTimeOriginal="$exif_date" "./fixxed/$exif_filename"

    echo "Updated EXIF date for $filename to $exif_date"
  fi
done