You can just grep out the ones you want. 
my @cols = ...;
shift @cols;  # blindy throw away first column
@cols = grep( $_ !~ /(Bandwidth|MSTCPLoopback)$/ , @cols);  # exclude 
+ones ending with "Bandwidth" or "MSTCPLoopback"

[download]
re: your code, note that delete is for hashes .. if you wanted to modify your code, you would use the slice function, but grep is much more powerful and perl-ish.

In reply to Re^5: Pre-process csv files before using by davidrw
in thread Pre-process csv files before using by DrAxeman

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