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Operating Systems Linux Add file's date at beginning of every line in file Post 302459063 by Neo on Sunday 3rd of October 2010 01:56:16 PM
Old 10-03-2010
Quote:
Originally Posted by kurumi
Code:
$ ruby -ne 'BEGIN{s=File.mtime("file").to_s.gsub(/\s+/,"")};print "#{s} #{$_}" ' file

FYI, on OSX:

Code:
apple:~ neo$ vi aaa
apple:~ neo$ ruby -ne 'BEGIN{s=File.mtime("file").to_s.gsub(/\s+/,"")};print "#{s} #{$_}" ' aaa
-e:1:in `mtime': No such file or directory - file (Errno::ENOENT)
        from -e:1

 

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RUBY-PROF(1)						      General Commands Manual						      RUBY-PROF(1)

NAME
ruby-prof - A fast ruby profiler SYNOPSIS
ruby-prof [options] <script.rb> [ script-options ] DESCRIPTION
ruby-prof is a fast profiler for ruby. It can be used as a stand-alone program (that this man page documents) or as a ruby library. Simply run the ruby program you want to profile using ruby-prof : ruby-prof script.rb At the end of execution the time spent in each method is displayed. OPTIONS
-p, --printer=printer Select a printer: flat - Prints a flat profile as text (default). graph - Prints a graph profile as text. graph_html - Prints a graph profile as html. call_tree - format for KCacheGrind -m, --min_percent=min_percent The minimum percent a method must take before being included in output reports. This option is not supported for call tree. -f, --file=path Output results to a file instead of standard out. --mode=measure_mode Select what ruby-prof should measure process - Use process time (default). wall - Use wall time. cpu - Use the CPU clock counter (only supported on Pentium and PowerPCs). --replace-progname Replace $0 when loading the ruby source file. -h, --help Show help message. -v, --version Show version. SEE ALSO
The ruby-prof website, http://ruby-prof.rubyforge.org/ AUTHOR
ruby-prof was written by Shugo Maeda <shugo@ruby-lang.org>. This manual page was written by Arnaud Cornet <arnaud.cornet@gmail.com> for the Debian project (but may be used by others). 14 October 2006 RUBY-PROF(1)
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