#!/usr/bin/bash ################################################################################ # Generate temporary file safely temp_file=$(mktemp) ppt "$1" > "$temp_file" # Count lines directly line_count=$(wc -l < "$temp_file") # Calculate image height (e.g., 20 pixels per line, with a minimum height) line_height=20 image_height=$((line_count * line_height)) [ "$image_height" -lt 70 ] && image_height=70 # Ensure a minimum height of 70 pixels # Generate image with dynamic height and fixed-width font convert \ -size 165x${image_height} \ xc:lightblue \ -font Courier \ -pointsize 12 \ -fill blue \ -gravity center \ -draw "text 0,0 '$(cat "$temp_file")'" \ image.png # Clean up temporary file gwenview image.png rm $temp_file ################################################################################