GNU gettext utilities: eval_ngettext Invocation
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15.5.12.7 Invoking the eval_ngettext function
eval_ngettext msgid msgid-plural count
This function outputs the native language translation of a textual message whose grammatical form depends on a number, performing dollar-substitution on the result. Note that only shell variables mentioned in msgid
or msgid-plural
will be dollar-substituted in the result.