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Released as alpha-20110607.

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parallel.pod: added --nonall man
This commit is contained in:
Ole Tange 2011-06-07 22:57:50 +02:00
parent 0a1d43bbda
commit f28cda7a19
1 changed files with 16 additions and 2 deletions
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src/parallel.pod
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@ -631,12 +631,24 @@ This is useful for scripts that depend on features only available from
a certain version of GNU B<parallel>. a certain version of GNU B<parallel>.
=item B<--nonall> (alpha testing)
B<--onall> with no arguments. Run the command on all computers given
with B<--sshlogin> but take no arguments. GNU B<parallel> will log
into B<--jobs> number of computers in parallel and run the job on the
computer. B<-j> adjusts how many computers to log into in parallel.
This is useful for running the same command (e.g. uptime) on a list of
servers.
=item B<--onall> (alpha testing) =item B<--onall> (alpha testing)
Run all the jobs on all computers given with B<--sshlogin>. GNU Run all the jobs on all computers given with B<--sshlogin>. GNU
B<parallel> will log into B<--jobs> number of computers in parallel B<parallel> will log into B<--jobs> number of computers in parallel
and run one job at a time on the computer. The order of the jobs will and run one job at a time on the computer. The order of the jobs will
not be changed, but some computers may finish before others. not be changed, but some computers may finish before others. B<-j>
adjusts how many computers to log into in parallel.
When using B<--group> the output will be grouped by each server, so When using B<--group> the output will be grouped by each server, so
all the output from one server will be grouped together. all the output from one server will be grouped together.
@ -1716,7 +1728,7 @@ Convert *.mp3 to *.ogg running one process per CPU core on local computer and se
'mpg321 -w - {} | oggenc -q0 - -o {.}.ogg' ::: *.mp3 'mpg321 -w - {} | oggenc -q0 - -o {.}.ogg' ::: *.mp3
=head1 EXAMPLE: Running the same command on remote computers (unimplemented) =head1 EXAMPLE: Running the same command on remote computers
To run the command B<uptime> on remote computers you can do: To run the command B<uptime> on remote computers you can do:
@ -1727,6 +1739,8 @@ run on each computer you can do:
B<parallel --onall -S server1,server2 echo ::: 1 2 3> B<parallel --onall -S server1,server2 echo ::: 1 2 3>
If you have a lot of hosts use '-j0' to access more hosts in parallel.
=head1 EXAMPLE: Use multiple inputs in one command =head1 EXAMPLE: Use multiple inputs in one command