Combine ICS Files. This shell script combines multiple .ics calendar files into a single .ics file. It checks for existing .ics files in the directory, extracts the events from each file, and compiles them into one output file named combined.ics. Features: Automatically detects and processes all .ics files in the current directory. Retains the h…

combine_ics.sh

#!/bin/bash

# Output file where all .ics files will be combined
OUTPUT_FILE="combined.ics"

# Check if any .ics files exist in the directory
if ls *.ics 1> /dev/null 2>&1; then
    echo "Combining all .ics files into $OUTPUT_FILE..."
    
    # Start with an empty output file (or create a new one)
    > "$OUTPUT_FILE"

    # Add the header from the first .ics file up to (but not including) the first BEGIN:VEVENT
    first_file=$(ls *.ics | grep -v "$OUTPUT_FILE" | head -n 1)
    sed -n '1,/BEGIN:VEVENT/ p' "$first_file" | grep -v "BEGIN:VEVENT" >> "$OUTPUT_FILE"

    # Loop through each .ics file (excluding the combined output file) and combine them
    for file in *.ics; do
        # Exclude the output file from being processed
        if [ "$file" != "$OUTPUT_FILE" ]; then
            echo "Processing $file"
            # Extract the events only
            sed -n '/BEGIN:VEVENT/,/END:VEVENT/p' "$file" >> "$OUTPUT_FILE"
        fi
    done

    # Add the footer lines at the end of the combined file
    echo "END:VCALENDAR" >> "$OUTPUT_FILE"

    echo "All .ics files combined successfully into $OUTPUT_FILE"
else
    echo "No .ics files found in the directory."
fi

Thank you!
Worked beautifully!

Thank you! Worked beautifully!

You are welcome. Merry Christmas!

I used this to combine a bunch of random calendar/ICS to populate a daily scribe calendar. Thx

• https://recalendar.me/