perl – 如何解决以下错误“未定义的子程序&main :: resetCo
发布时间:2020-12-16 06:12:53 所属栏目:大数据 来源:网络整理
导读:我如何解决以下错误“Undefined subroutine main :: resetCounters”?该子程序已经原型化,但Perl仍然抱怨.以下代码是我遇到的问题: #!/usr/bin/perluse strict;use warnings;...sub reportStats();sub resetCounters(); #HERE IS THE PROTOTYPEsub getUppe
我如何解决以下错误“Undefined subroutine& main :: resetCounters”?该子程序已经原型化,但Perl仍然抱怨.以下代码是我遇到的问题:
#!/usr/bin/perl use strict; use warnings; ... sub reportStats(); sub resetCounters(); #HERE IS THE PROTOTYPE sub getUpperBusTimeStampAndBatchSize($); sub toMs($); sub tibTimeToMs(); sub calcStdDev(); ... print "nTimeStamp TPS MPS MaxBat AvgBat MaxLat AvgLat StdLat >5ms %>5msn"; resetCounters(); #THIS IS THE LINE CONTAINING THE ERROR ... sub resetCounters() # ----------------------------------------------------------- # resets all metrics counters # ----------------------------------------------------------- { $tps = 0; $mps = 0; $batch = 0; $maxBatch = 0; $avgBatch = 0; $latency = 0; $latencySum = 0; $maxLatency = 0; $avgLatency = 0; $overThreshold = 0; $percentOver = 0; $currentSecond = $second; @latencies = (); } 解决方法
我不能肯定这是问题所在,但您可能会查看
subs 编译指示以预先确定您的函数.
快一点…… #!/usr/bin/env perl use strict; use warnings; use subs "myclear"; my $var = 1; myclear; print $var; sub myclear () { $var = 0; } 此外,由于这种程序命令很可能作为自己的语句发生,因此它实际上不需要空原型或任何原型. #!/usr/bin/env perl use strict; use warnings; use subs "myclear"; my $var = 1; myclear; print $var; sub myclear { $var = 0; } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |