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== Description The ptools (power tools) library is an additional set of commands for the File class based on Unix command line tools. == Prerequisites On MS Windows you will need the win32-file gem. == Installation gem install ptools == Synopsis require "ptools" File.which("ruby") # '/usr/local/bin/ruby' File.whereis("ruby") # ['/usr/local/bin/ruby','/opt/bin/ruby'] File.head("myfile") # Returns first 10 lines of 'myfile' File.tail("myfile",3) # Returns last 3 lines of 'myfile' File.wc("myfile",'words') # Returns the number of words in 'myfile' File.touch("newfile") # "newfile" now exists File.null # '/dev/null' on Unix, 'NUL' on Windows File.binary?('some_file') # true or false File.sparse?('some_file') # true or false # Creates a copy of 'myfile' called 'newfile', in DOS format File.nl_convert("myfile", "newfile", "dos") == Known Bugs The File.which and File.whereis methods may fail when using JRuby on Windows. See https://github.com/jruby/jruby/issues/2291 for details. Please report any other issues on the github project page. http://www.github.com/djberg96/ptools == Acknowledgements The File.which method was originally adopted from the FileWhich code posted by Michael Granger on the now defunct rubygarden.org website. That code was later replaced by a version based on the ruby-which library. The File.nl_convert method is based on the nlcvt program found at http://www.perl.com/language/ppt/src/nlcvt/nlcvt, written by Tom Christiansen. The binary?() method was based almost entirely on a blog post by Ryan Davis (who, in turn, based his code on Perl's -B switch). Thanks go to Matt Hoyle for help with the File.tail method. == Future Plans Add whatever other tools people think might be useful. == License Artistic 2.0 == Copyright (C) 2003-2014 Daniel J. Berger All Rights Reserved. == Warranty This package is provided "as is" and without any express or implied warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose. == Author Daniel J. Berger