Securely redacting and stripping metadata

Current versions

pdf-redact-tools requires the following formulae to be installed:
imagemagick 7.0.7-11 Tools and libraries to manipulate images in many formats
exiftool 10.55_1 Perl lib for reading and writing EXIF metadata
ghostscript 9.22 Interpreter for PostScript and PDF

Formula history

ilovezfs pdf-redact-tools: use assert_predicate instead of File.exist?
Micah Lee pdf-redact-tools 0.1.2
Mike McQuaid Use hash rockets again. (#5177)
Mike McQuaid Use Ruby 1.9+ symbol hash keys in all formulae. (#4942)
Viktor Szakats pdf-redact-tools: update homepage as well (#978)
Micah Lee pdf-redact-tools 0.1.1
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Dominyk Tiller pdf-redact-tools 0.1 (new formula)