Note to self: when someone has helpfully mudded up the data by adding commas and dollar signs to currency values, this can be easily undone... 

perl -ple '$_ = reverse; s/(\d{3})\,(?=[\d,]+\$)/$1/g; s/\$//g; $_ = r
+everse' < data.in > data.out

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In reply to un-format currency by hossman

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