# \[Bug:1.9\] rake --help $B$N=PNO$,ITB-$7$F$$$k(B

**URL:** <https://www.ruby-forum.com/t/bug-1-9-rake-help-b-n-pno-itb-7-f-k-b/147275>\
**Category:** Development\
**Created:** [August 30, 2008, 3:13am UTC](https://www.ruby-forum.com/t/bug-1-9-rake-help-b-n-pno-itb-7-f-k-b/147275 "2008-08-30T03:13:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![okkez](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/8edcca/32.png) [@okkez](https://www.ruby-forum.com/u/okkez)\
**Post date:** [August 30, 2008, 3:13am UTC](https://www.ruby-forum.com/t/bug-1-9-rake-help-b-n-pno-itb-7-f-k-b/147275/1 "2008-08-30T03:13:25Z")

</div>

okkez e$B$G$9!#e(B

e$B0J2\<$N$h$&$Ke(B rake --help e$B$N@bL@$,IT==J,$G$9!#e(B

–help e$B$O@bL@$,$J$$!#e(B  
–rakefile e$B$O0z?t$r\<h$k$N$KB\>$N0z?t$H0c$C$F%\*%W%7%g%s$N9T$Ke(B FILE  
e$B$N5-=R$,$J$$!#e(B

e$B$J$I$G$9!#e(B

$ ./ruby -v  
ruby 1.9.0 (2008-08-26 revision 16261) [i686-linux]  
$ ./rake --help  
rake [-f rakefile] {options} targets…

Options are …

–classic-namespace (-C)  
Put Task and FileTask in the top level namespace  
–describe (-D)  
Describe the tasks (matching optional PATTERN), then exit.  
–dry-run (-n)  
Do a dry run without executing actions.  
–help (-h)  
0  
–libdir=LIBDIR (-I)  
Include LIBDIR in the search path for required modules.  
–nosearch (-N)  
Do not search parent directories for the Rakefile.  
–prereqs (-P)  
Display the tasks and dependencies, then exit.  
–quiet (-q)  
Do not log messages to standard output.  
–rakefile (-f)  
Use FILE as the rakefile.  
–rakelibdir=RAKELIBDIR (-R)  
Auto-import any .rake files in RAKELIBDIR. (default is ‘rakelib’)  
–require=MODULE (-r)  
Require MODULE before executing rakefile.  
–silent (-s)  
Like --quiet, but also suppresses the ‘in directory’ announcement.  
–tasks (-T)  
Display the tasks (matching optional PATTERN) with descriptions,  
then exit.  
–trace (-t)  
Turn on invoke/execute tracing, enable full backtrace.  
–verbose (-v)  
Log message to standard output (default).  
–version (-V)  
Display the program version.

e$B$h$m$7$/$\*4j$$$7$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![okkez](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/8edcca/32.png) [@okkez](https://www.ruby-forum.com/u/okkez)\
**Post date:** [August 30, 2008, 3:47am UTC](https://www.ruby-forum.com/t/bug-1-9-rake-help-b-n-pno-itb-7-f-k-b/147275/2 "2008-08-30T03:47:57Z")

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e$B%A%1%C%He(B #519 e$B$,99?7$5$l$^$7$?!#e(B (by Nobuyoshi N.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B  
e$B?JD=e(B % 0e$B$+$ie(B100e$B$KJQ99e(B

## Applied in changeset r18936.

[http://redmine.ruby-lang.org/issues/show/519](http://redmine.ruby-lang.org/issues/show/519)