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parallel.pod: Elaborated more on dangers with -u.

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Ole Tange 2012-05-06 12:54:51 +02:00
parent 29726eee6e
commit aad8d689ba
2 changed files with 4 additions and 3 deletions
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2
src/parallel
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@ -537,7 +537,7 @@ sub get_options_from_array {
sub parse_options { sub parse_options {
# Returns: N/A # Returns: N/A
# Defaults: # Defaults:
$Global::version = 20120422; $Global::version = 20120503;
$Global::progname = 'parallel'; $Global::progname = 'parallel';
$Global::infinity = 2**31; $Global::infinity = 2**31;
$Global::debug = 0; $Global::debug = 0;

5
src/parallel.pod
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@ -1305,8 +1305,9 @@ a bc " -> "a bc". This is the default if B<--colsep> is used.
=item B<-u> =item B<-u>
Ungroup output. Output is printed as soon as possible and by passes Ungroup output. Output is printed as soon as possible and by passes
GNU B<parallel> internal processing. This may cause GNU B<parallel> internal processing. This may cause output from
output from different commands to be mixed. Compare these: different commands to be mixed thus should only be used if you do not
care about the output. Compare these:
B<parallel -j0 'sleep {};echo -n start{};sleep {};echo {}end' ::: 1 2 3 4> B<parallel -j0 'sleep {};echo -n start{};sleep {};echo {}end' ::: 1 2 3 4>