Bash script to copy all .md in the current directory. Useful to have Claude summarize notes from Obsidian

concat_md.sh

#!/bin/bash

# Create a temporary file
temp_file=$(mktemp)

# Concatenate all non-empty .md files in the current directory, adding titles and separators
for file in *.md; do
    if [ -f "$file" ] && [ -s "$file" ] && ! [ -z "$(grep -v '^[[:space:]]*$' "$file")" ]; then
        echo -e "\n====== $file ======\n" >> "$temp_file"
        cat "$file" >> "$temp_file"
        echo -e "\n" >> "$temp_file"
    fi
done

# Function to check if running in WSL
is_wsl() {
    if [ -f /proc/version ]; then
        if grep -qi microsoft /proc/version; then
            return 0
        fi
    fi
    return 1
}

# Copy the concatenated content to clipboard
if is_wsl; then
    # Running in WSL, use clip.exe
    cat "$temp_file" | clip.exe
    echo "Copied to Windows clipboard using clip.exe"
elif command -v xclip > /dev/null; then
    xclip -selection clipboard < "$temp_file"
    echo "Copied to clipboard using xclip"
elif command -v pbcopy > /dev/null; then
    pbcopy < "$temp_file"
    echo "Copied to clipboard using pbcopy"
elif command -v clip > /dev/null; then
    clip < "$temp_file"
    echo "Copied to clipboard using clip"
else
    echo "Error: No suitable clipboard command found."
    rm "$temp_file"
    exit 1
fi

# Remove the temporary file
rm "$temp_file"

echo "All non-empty .md files have been concatenated with titles, and the result has been copied to the clipboard."