troubleshooting Question

delete duplicate rows in a file as well as all commas, and values that are -999 or 999 using perl

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libertyforall2Flag for United States of America asked on
PerlShell ScriptingPowershell
8 Comments1 Solution286 ViewsLast Modified:
I have a file below. It has duplicate files for each day. I only want a single file for each day so it should
1. keep the first of each new original row then delete all the duplicates.

Then I want to

2. Delete commas & 

3. Delete negative values or values -999 or 999
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