(ccxlii) stackoverflow perl report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2016-06-18 20:53:30 GMT

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1. Perl: Calculate number of days by converting to seconds - [5/3]
2. Elastic Search: use filter and should bool query - [5/2]
3. Perl: Copy file from one location to another - [5/1]
4. Perl only executes part of shell command and emits warning &'redundant argument in printf&' in command substitution - [4/1]
5. Strawberry Perl not recognising special variable for OSNAME - [4/1]
6. Prepend to Very Large File in Fixed Time or Very Fast - [3/2]
7. Hadoop streaming with mongo-hadoop connector fails - [3/1]
8. Accessing JSON decoded into a HASH and an array of hash references - [2/3]
9. Why won't AnyEvent::child callbacks ever run if interval timer events are always ready? - [2/2]
10. Why is perl saving two copies of Excel spreadsheet? - [2/2]