Moves canvas files into student folders

hw1_autograde.sh

# TODO:
# change this to the folder where your jar files are
# you can download it from https://github.com/junit-team/junit4/wiki/Download-and-Install
# just change /usr/share/java to wherever you downloaded stuff (downloads, maybe)
jar_lib_folder_path="junit_libs"

# TODO:
# change these to the correct filenames for the jars you have
jarname_junit="junit-4.12.jar"
jarname_hamcrest="hamcrest-core-1.3.jar"

filename="WordGuess.java"
grader_filename="Grader2"



# begin script

student_folder=$1
our_grading_folder="grader"

function showusage {
    echo "First, you'll need to open this file in a text editor and set the"
    echo "filepath where the script can find your junit and hamcrest-core"
    echo "jarfiles. The variable to modify is at the top of the file."
    echo "You'll also need to put the autograder files "
    echo "(AutograderSA.java, expected_out/, and all the csv files) "
    echo "into the folder as well, just like they are given "
    echo "in the grader zip file."
    echo "Url to library downloads: https://github.com/junit-team/junit4/wiki/Download-and-Install"
    echo
    echo "You run this script from the hw1 grading root folder, which "
    echo "should contain all the hw-straightAs-xxxstudentxxx/ folders, as well "
    echo "as the newly created $our_grading_folder."
    echo
    echo "Usage: ./hw1_autograder.sh <student_folder_path>"
    echo "or:    ./hw1_autograder.sh nocopy     (to just run compile and run without copying)"
    echo
    echo "To repeat this message, run the program with invalid args or no args."
    exit 1
}

if [[ $# != 1 ]]; then
    showusage
elif [[ $# == 1 ]]; then
    if [[ "$student_folder" != "nocopy" ]]; then
        if [[ ! -d "$student_folder" ]]; then
            showusage
        fi
        cp "$student_folder/$filename" "$our_grading_folder/"
    fi
fi

pushd $our_grading_folder
rm *.class

# you will have to change the filenames around if you're using different versions of hamcrest and junit
javac -cp ".:$jar_lib_folder_path/$jarname_junit:$jar_lib_folder_path/$jarname_hamcrest" \
    *.java

javac WordGuess.java && java WordGuess 0 < input/cats.in > actual/cats.out && java WordGuess 0 < input/catf.in > actual/catf.out && java WordGuess 1 < input/dads.in > actual/dads.out && java WordGuess 1 < input/dadf.in > actual/dadf.out && java WordGuess 2 < input/dogs.in > actual/dogs.out && java WordGuess 2 < input/dogf.in > actual/dogf.out && java WordGuess 3 < input/moms.in > actual/moms.out && java WordGuess 3 < input/momf.in > actual/momf.out && java WordGuess 4 < input/rats.in > actual/rats.out && java WordGuess 4 < input/ratf.in > actual/ratf.out

for file in expected/*.out; do
    echo "Stripping file $file"
    mv $file "$file.old"
    tr -d '\r' < "$file.old" > $file
done

java -cp ".:$jar_lib_folder_path/$jarname_junit:$jar_lib_folder_path/$jarname_hamcrest" \
    org.junit.runner.JUnitCore \
    "$grader_filename" | sed -e /\\tat/d  # hey, if you're getting weird errors with the runner and would like to see the stack trace, comment out the
#                                   # | sed -e ... because that's piping things to sed to hide java stack traces...


popd

echo "Press any key to open vim (CTRL+C to quit)."
echo "Also, if you want to run their submission directly, cd into $our_grading_folder"
echo "and just run it with java <filename> <args>. It should already be compiled."
read
vi $our_grading_folder/$filename

java_xtract.rb

#!/usr/bin/env ruby
# please direct all questions to @ahirschberg on slack

require 'fileutils'


CANVAS_REGEX = /
  (?<canvas_info>[A-Za-z]+_\d+_\d+)
  _
  (?<filename>\w+)
  (?:-\d*)?
  (?<fileext>(\.\w+)?)/x
submissions=Dir['*.java']
submissions.each do |name|
  md = CANVAS_REGEX.match name
  FileUtils.mkdir_p(md['canvas_info'])
  FileUtils.mv(name, "./#{md['canvas_info']}/#{md['filename']}#{md['fileext']}")
end
puts "Done (#{submissions.length})"