| Cobra | Inline Programs | predefined values | ||
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NAMEpredefined valuesDESCRIPTIONThe following integer and boolean values are predefined:cpu # the id of the currently executing core core # a synonym for cpu ncpu # the total number of cores being used ncore # a synonym for ncpu terse # nonzero if terse mode is enabled verbose # nonzero if verbose mode is enabled true # a synonym for 1 false # a synonym for 0All these values and references are read-only, so they cannot be modified inside inline programs. The number of cores used and the choice between terse and verbose execution can be modified with standard query commands outside inline programs. EXAMPLESA typical use of the terse and ncore values is:
: ncore 1 # ncore can be changed with a query command
%{
if (@ident)
{ .mark++;
if (!terse && ncore == 1)
{ print .fnm ":" .lnr " " .txt "\n";
} }
%}
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Inline Programs Manual Tutorial |
(Last Updated: 17 August 2023) | |||