#!/bin/sh # SPDX-License-Identifier: MPL-2.0 # Generate a html file with random contents for the given length under `/usr/local/nginx/html` # Usage: ./generate_random_html.sh LEN=$1 # Ensure LEN is numeric and reasonable if ! [ "$LEN" -eq "$LEN" ] || [ "$LEN" -lt 120 ]; then echo "Error: LEN must be a numeric value greater than or equal to 120" exit 1 fi DIRNAME=/usr/local/nginx/html FILENAME=${DIRNAME}/${LEN}bytes.html rm -f ${FILENAME} # Base HTML content HEADER_CONTENT=" Sample Page

Hello World!

" # Write initial content to the file echo "$HEADER_CONTENT" > $FILENAME # Calculate remaining length HEADER_LENGTH=${#HEADER_CONTENT} # Calculate this dynamically FOOTER_CONTENT="

" CONTENT_LENGTH=$((LEN - HEADER_LENGTH - ${#FOOTER_CONTENT}-2)) # Ensure the calculated CONTENT_LENGTH is positive if [ "$CONTENT_LENGTH" -gt 0 ]; then i=0 while [ "$i" -lt "$CONTENT_LENGTH" ] do echo -n "a" >> $FILENAME i=$((i + 1)) done fi # Write the footer content echo "$FOOTER_CONTENT" >> $FILENAME