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parallel.pod: --results example.

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Ole Tange 2012-10-16 01:24:35 +02:00
parent 4623995286
commit 42d4c35270
1 changed files with 28 additions and 18 deletions
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src/parallel.pod
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@ -988,9 +988,9 @@ Only used with B<--pipe>.
Results in files named by tab separated arguments. Save the output
into files. The file names will be prefixed with I<prefix> which can
contain a path with a prefix string. The file with output from stdout
(standard output) will prefixed with 'I<prefix>stdout_'. The file
(standard output) will prefixed with 'I<prefix>stdout'. The file
with output from stderr (standard error) will prefixed with
'I<prefix>stderr_'.
'I<prefix>stderr'.
The postfix is the header of the input source (if using B<--header :>)
or the number of the input source followed by the value of the input
@ -1003,14 +1003,14 @@ E.g:
will generate:
foo/barstderr_a I b III
foo/barstderr_a I b IIII
foo/barstderr_a II b III
foo/barstderr_a II b IIII
foo/barstdout_a I b III
foo/barstdout_a I b IIII
foo/barstdout_a II b III
foo/barstdout_a II b IIII
foo/barstderr a I b III
foo/barstderr a I b IIII
foo/barstderr a II b III
foo/barstderr a II b IIII
foo/barstdout a I b III
foo/barstdout a I b IIII
foo/barstdout a II b III
foo/barstdout a II b IIII
and
@ -1018,14 +1018,14 @@ and
will generate:
foo/barstderr_1 I 2 III
foo/barstderr_1 I 2 IIII
foo/barstderr_1 II 2 III
foo/barstderr_1 II 2 IIII
foo/barstdout_1 I 2 III
foo/barstdout_1 I 2 IIII
foo/barstdout_1 II 2 III
foo/barstdout_1 II 2 IIII
foo/barstderr 1 I 2 III
foo/barstderr 1 I 2 IIII
foo/barstderr 1 II 2 III
foo/barstderr 1 II 2 IIII
foo/barstdout 1 I 2 III
foo/barstdout 1 I 2 IIII
foo/barstdout 1 II 2 III
foo/barstdout 1 II 2 IIII
where all spaces are TABs (\t);.
@ -1859,6 +1859,16 @@ This also works if the input file is a file with columns:
cat addressbook.tsv | parallel --colsep '\t' --header : echo {Name} {E-mail address}
=head1 EXAMPLE: Count the differences between all files in a dir
Using B<--results> the results are saved in /tmp/diffcount*.
parallel --results /tmp/diffcount "diff -U 0 {1} {2} |tail -n +3 |grep -v '^@'|wc -l" ::: * ::: *
To see the difference between file A and file B look at the file
'/tmp/diffcount 1 A 2 B' where spaces are TABs (\t).
=head1 EXAMPLE: Speeding up fast jobs
Starting a job on the local machine takes around 3 ms. This can be a