Untitled

#!/bin/sh

EXPECTED_ARGS=2
E_BADARGS=65
if [ $# -gt $EXPECTED_ARGS ]
then
  echo "Usage: ./extract [starting_directory] [search_directory]" >&2
  exit $E_BADARGS
fi

# By default, start in the current working directory, but if they provide an argument, use that instead.
if [ $# -eq $EXPECTED_ARGS ]
then
    startingDir=$1
  search_dir=$2
else
    startingDir="./output"
  search_dir="./images"
fi

file="$startingDir/index.html"

if [ -f $file ] ; then
    rm $file
fi

# Start creating the HTML document
echo "<DOCTYPE html>" >> $file
echo "<html>" >> $file
echo "<head>" >> $file
echo "<title>Images Task</title>" >> $file
echo "</head>" >> $file
echo "<body>" >> $file
echo "<div><ul>" >> $file
for entry in "$search_dir"/*.jpg
do
  echo "<li><a download href=\"$entry\">" >> $file
  echo "<img src=\"$entry\" width=\"150px\" height=\"150px\"></img>" >> $file
  echo "</a></li>" >> $file
done
# Finish off the HTML document
echo "</ul></div>" >> $file
echo "</body></html>" >> $file

echo "Good job!"
echo "Images found at $search_dir"
echo "File is located at $file";
exit 1;