{"id":595,"date":"2017-04-24T22:19:12","date_gmt":"2017-04-24T22:19:12","guid":{"rendered":"http:\/\/www.piglets.org\/blog\/?p=595"},"modified":"2017-04-24T22:31:28","modified_gmt":"2017-04-24T22:31:28","slug":"pretty-printing-c-archives-from-emails","status":"publish","type":"post","link":"https:\/\/www.piglets.org\/blog\/2017\/04\/24\/pretty-printing-c-archives-from-emails\/","title":{"rendered":"Pretty Printing C++ Archives from Emails"},"content":{"rendered":"

I'm just putting this here because I nearly managed to lose it. This is a part of a pretty unvarnished BASH script for a very specific purpose, taking an email file containing a ZIP of submitted C++ code from students. This script produces pretty printed PDFs of the source files named after each author to facilitate marking and annotation. It's not a thing of beauty. I think I'll probably write a new cleaner version in future.<\/p>\n

#!\/bin\/bash\r\n# \r\n# A script to take C++ files in coursework and produce pretty printed PDF\r\n# listings named with the author information.\r\n#\r\n# It takes a ZIP file of .cpp and .h files and produces a ZIP file of PDFs\r\n#\r\n\r\n# Requires\r\n#   enscript\r\n#   ps2pdf\r\n#   munpack\r\n\r\n#\r\n# Called for each file to be encoded\r\n#\r\npretty_print_file()\r\n{\r\n  # Extract the Author JavaDoc information\r\n  author=\"(cat\"1 | sed -n -e 's\/^.*@[Aa]uthor \".*\"\"/\1/gp')(cat \"1 | sed -n -e 's/^.*@[Aa]uthor.*<<img src="https://www.piglets.org/blog/wp-content/ql-cache/quicklatex.com-6bbee176f5e99b093ce5754610f65df6_l3.png" class="ql-img-inline-formula quicklatex-auto-format" alt=".*" title="Rendered by QuickLaTeX.com" height="9" width="12" style="vertical-align: 0px;"/>@.*\"\/\\1\/gp')\r\n\r\n  # How many lines did we get back?\r\n  lines=\"(echo "\"author_snip\" | wc -l)\r\n\r\n  # If we got no author info\r\n  if [ \"lines -eq "0" ]author_snip\" ]\r\n    then\r\n      author=\"no-author\"\r\n      author_snip=\"no-author\"\r\n  fi\r\n\r\n  # if we got too many\r\n  if [ \"lines -ge "2" ]1, Author \"author (\"author_snip)\"\r\n  output=\"author_snip-\"1\r\n  output+=\".pdf\"\r\n  echo \"Encoding \"output..."1 | ps2pdf - parsed-output\/\"output1 ]\r\n  then\r\n    echo \"Usage: unpack_coursework <email_file>\"\r\n    exit\r\nfi\r\n\r\n# Make a temporary directory and copy the email file into it.\r\necho \"Creating temporary directory...\"\r\ndir=`mktemp -d`\r\necho \"dir1 \"dirdir\r\n\r\n# Unpack the email\r\necho \"Unpacking email...\"\r\nmunpack \"1f *.cpp\r\n  unzip -Cj \"f *.hf\r\ndone\r\n\r\n# And the same for source files\r\necho \"Parse .cpp files...\"\r\nfor f in *.cpp\r\ndo\r\n  pretty_print_file \"fdir\/parsed-output\r\nzip parsed-output *.pdf\r\ncd ..\r\n\r\n# Back to the directory we started in.\r\npopd\r\n\r\n# Copy the parsed ZIP to the current directory for inspection and marking\r\ncp \"dir/parsed-output/parsed-output.zip .dir\r\nrm -rf $dir\r\n<\/pre>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
I'm just putting this here because I nearly managed to lose it. This is a part of a pretty unvarnished BASH script for a very specific purpose, taking an email file containing a ZIP of submitted C++ code from students. This script produces pretty printed PDFs of the source files named after each author to […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"vkexunit_cta_each_option":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[7,125],"tags":[218,217,222,219,16,126,220,221],"class_list":["post-595","post","type-post","status-publish","format-standard","hentry","category-11-free-software","category-higher-education","tag-bash","tag-c","tag-coursework","tag-enscript","tag-free-software","tag-higher-education","tag-pretty-print","tag-students"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/p52I4w-9B","_links":{"self":[{"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/posts\/595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/comments?post=595"}],"version-history":[{"count":1,"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/posts\/595\/revisions"}],"predecessor-version":[{"id":596,"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/posts\/595\/revisions\/596"}],"wp:attachment":[{"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/media?parent=595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/categories?post=595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.piglets.org\/blog\/wp-json\/wp\/v2\/tags?post=595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}