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Bug fixes in the man page.

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Ole Tange 2012-03-15 21:23:53 +01:00
parent 202f2ec571
commit 93c5c6aaa5
2 changed files with 49 additions and 24 deletions
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32
src/parallel.pod
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@ -63,8 +63,9 @@ Command to execute. If I<command> or the following arguments contain
replacement strings (such as B<{}>) every instance will be substituted
with the input.
If I<command> is given, GNU B<parallel> will behave similar to B<xargs>. If
I<command> is not given GNU B<parallel> will behave similar to B<cat | sh>.
If I<command> is given, GNU B<parallel> solve the same tasks as
B<xargs>. If I<command> is not given GNU B<parallel> will behave
similar to B<cat | sh>.
The I<command> must be an executable, a script, a composed command, or
a function. If it is a function you need to B<export -f> the function
@ -182,6 +183,18 @@ directory (if any) removed.
To understand positional replacement strings see B<{>I<n>B<}>.
=item B<{>I<n>//B<}>
Dirname of argument from input source I<n> or the I<n>'th argument.
It is a combination of B<{>I<n>B<}> and B<{//}>.
This positional replacement string will be replaced by the dir of the
input from input source I<n> (when used with B<-a> or B<::::>) or with
the I<n>'th argument (when used with B<-N>). See B<dirname>(1).
To understand positional replacement strings see B<{>I<n>B<}>.
=item B<{>I<n>/.B<}>
Basename of argument from input source I<n> or the I<n>'th argument
@ -562,10 +575,8 @@ If B<--semaphore> is set default is 1 thus making a mutex.
=item B<-P> I<+N>
Add N to the number of CPU cores. Run this many jobs in parallel. For
compute intensive jobs B<-j> +0 is useful as it will run
number-of-cpu-cores jobs simultaneously. See also
B<--use-cpus-instead-of-cores>.
Add N to the number of CPU cores. Run this many jobs in parallel.
See also B<--use-cpus-instead-of-cores>.
=item B<--jobs> I<-N>
@ -3230,15 +3241,16 @@ fixed in that version.
A complete example that others can run that shows the problem. A
combination of B<seq>, B<cat>, B<echo>, and B<sleep> can reproduce
most errors. If your example requires large files, see if you can make
them by something like B<seq 1000000>>B<file>.
them by something like B<seq 1000000> > B<file>.
=back
If you suspect the error is dependent on your distribution, please see
if you can reproduce the error on one of these VirtualBox images:
http://sourceforge.net/projects/virtualboximage/files/ Specifying the
name of your distribution is not enough as you may have installed
software that is not the the VirtualBox images.
http://sourceforge.net/projects/virtualboximage/files/
Specifying the name of your distribution is not enough as you may have
installed software that is not in the VirtualBox images.
=head1 AUTHOR

41
src/parallel.texi
View file

@ -74,8 +74,9 @@ Command to execute. If @emph{command} or the following arguments contain
replacement strings (such as @strong{@{@}}) every instance will be substituted
with the input.
If @emph{command} is given, GNU @strong{parallel} will behave similar to @strong{xargs}. If
@emph{command} is not given GNU @strong{parallel} will behave similar to @strong{cat | sh}.
If @emph{command} is given, GNU @strong{parallel} solve the same tasks as
@strong{xargs}. If @emph{command} is not given GNU @strong{parallel} will behave
similar to @strong{cat | sh}.
The @emph{command} must be an executable, a script, a composed command, or
a function. If it is a function you need to @strong{export -f} the function
@ -192,6 +193,18 @@ directory (if any) removed.
To understand positional replacement strings see @strong{@{}@emph{n}@strong{@}}.
@item @strong{@{}@emph{n}//@strong{@}}
@anchor{@strong{@{}@emph{n}//@strong{@}}}
Dirname of argument from input source @emph{n} or the @emph{n}'th argument.
It is a combination of @strong{@{}@emph{n}@strong{@}} and @strong{@{//@}}.
This positional replacement string will be replaced by the dir of the
input from input source @emph{n} (when used with @strong{-a} or @strong{::::}) or with
the @emph{n}'th argument (when used with @strong{-N}). See @strong{dirname}(1).
To understand positional replacement strings see @strong{@{}@emph{n}@strong{@}}.
@item @strong{@{}@emph{n}/.@strong{@}}
@anchor{@strong{@{}@emph{n}/.@strong{@}}}
@ -601,10 +614,8 @@ If @strong{--semaphore} is set default is 1 thus making a mutex.
@item @strong{-P} @emph{+N}
@anchor{@strong{-P} @emph{+N}}
Add N to the number of CPU cores. Run this many jobs in parallel. For
compute intensive jobs @strong{-j} +0 is useful as it will run
number-of-cpu-cores jobs simultaneously. See also
@strong{--use-cpus-instead-of-cores}.
Add N to the number of CPU cores. Run this many jobs in parallel.
See also @strong{--use-cpus-instead-of-cores}.
@item @strong{--jobs} @emph{-N}
@anchor{@strong{--jobs} @emph{-N}}
@ -706,11 +717,12 @@ Implies @strong{-X} unless @strong{-m} is set.
Do not start new jobs on a given computer unless the load is less than
@emph{max-load}. @emph{max-load} uses the same syntax as @strong{--jobs}, so @emph{100%}
for one per CPU is a valid setting. Only difference is 0 which
actually means 0.
for one per CPU is a valid setting. Only difference is 0 which is
interpreted as 0.01.
The load average is only sampled every 10 seconds to avoid stressing
small computers.
The load average is only sampled every 10 seconds using @strong{uptime} to
avoid stressing small computers. Only the first (1 minute) load is
used.
@item @strong{--controlmaster} (experimental)
@anchor{@strong{--controlmaster} (experimental)}
@ -3439,15 +3451,16 @@ fixed in that version.
@item A complete example that others can run that shows the problem. A
combination of @strong{seq}, @strong{cat}, @strong{echo}, and @strong{sleep} can reproduce
most errors. If your example requires large files, see if you can make
them by something like @strong{seq 1000000}>@strong{file}.
them by something like @strong{seq 1000000} > @strong{file}.
@end itemize
If you suspect the error is dependent on your distribution, please see
if you can reproduce the error on one of these VirtualBox images:
http://sourceforge.net/projects/virtualboximage/files/ Specifying the
name of your distribution is not enough as you may have installed
software that is not the the VirtualBox images.
http://sourceforge.net/projects/virtualboximage/files/
Specifying the name of your distribution is not enough as you may have
installed software that is not in the VirtualBox images.
@chapter AUTHOR
@anchor{AUTHOR}