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Grepping the data between 2 date ranges

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Top Forums Shell Programming and Scripting Grepping the data between 2 date ranges
# 8  
Old 03-14-2018
Why (i.e. by WHAT logic) is 3/4/2016 file2 part of the result output when end date is 1/1/2016?
# 9  
Old 03-14-2018
I am sorry..I have typed wrongly.

The output should be

Code:
4/3/2014  file4
6/6/2015  file5

# 10  
Old 03-14-2018
Why the reversal of lines?

Try
Code:
awk -F"[ /]" -vSTART="1/1/2014" -vENDDT="1/1/2016" '
function MLDT(D, M, Y)  {return Y * 1E4 + M * 100 + D
                        }
BEGIN   {split (START, TMP)
         ST = MLDT(TMP[1], TMP[2], TMP[3])
         split (ENDDT, TMP)
         EN = MLDT(TMP[1], TMP[2], TMP[3])
        }
MLDT($1, $2, $3) >= ST &&
MLDT($1, $2, $3) <= EN
' file
6/6/2015  file5
4/3/2014  file4

# 11  
Old 03-14-2018
Hi RudiC,

Thank you. I will try this code. and keep you posted further.
# 12  
Old 03-14-2018
A bit simplified:
Code:
awk -vSTART="1/1/2014" -vENDDT="1/1/2016" '
function MLDT(DT)       {split (DT, TMP, "/")   
                         return TMP[3] * 1E4 + TMP[2] * 100 + TMP[1]
                        }
BEGIN   {ST = MLDT(START)
         EN = MLDT(ENDDT)
        }
MLDT($1) >= ST &&
MLDT($1) <= EN
' file

This User Gave Thanks to RudiC For This Post:
kumar85shiv
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