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由 Adam Roben 提交于
Many functions and operators in perl set $_, so its value cannot be relied upon after calling arbitrary functions. The solution is simply to copy the value of $_ into a local variable that will not get overwritten. Signed-off-by: NAdam Roben <aroben@apple.com> Acked-by: NEric Wong <normalperson@yhbt.net> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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