My requirement is combine yday and today csv file and create final output file. taking consideration of common columns 1,2,3,5,6 in both yday and today file .
sometimes today file counts are greater than the file counts of yday one.
So merging would only take 1st row of (combined column of 1,2,3,5,6 ) lowest count file (yady) to the first row (combined column of 1,2,3,5,6 ) of highest count file (today) and the very same records (combined column of 1,2,3,5,6 ) for next one in the highest count file (today) should have NA NA NA as there is no record matching for lowest count since 1st row of (combined column of 1,2,3,5,6 ) lowset count file matched above.
please refer below input file for different cases
PS: All field separator is , instead of "TAB". My mistake.
case one
today.csv
Code:
36000807 A 123 78 0 1 0.1 0.2 0.3
36000807 A 123 79 0 1 -0.1 0.2 -0.3
36000807 A 123 78 0 5 0.1 0.2 0.3
36000807 A 123 79 0 5 -0.1 0.2 -0.3
36000807 A 123 78 0 10 0.1 0.2 0.3
36000807 A 123 79 0 10 -0.1 0.2 -0.3
yday.csv
Code:
36000807 A 123 76 0 1 0.56 0.47 0.39
36000807 A 123 76 0 5 -0.34 0.27 -0.38
36000807 A 123 76 0 10 -0.14 0.25 -0.53
merged file
Code:
f1.1 f1.2 f1.3 f1.4 f1.5 f1.6 f1.7 f1.8 f1.9 f2.4 f2.7 f2.8 f2.9
36000807 A 123 78 0 1 0.1 0.2 0.3 76 0.56 0.47 0.39
36000807 A 123 79 0 1 -0.1 0.2 -0.3 76 NA NA NA
36000807 A 123 78 0 5 0.1 0.2 0.3 76 -0.34 0.27 -0.38
36000807 A 123 79 0 5 -0.1 0.2 -0.3 76 NA NA NA
36000807 A 123 78 0 10 0.1 0.2 0.3 76 -0.14 0.25 -0.53
36000807 A 123 79 0 10 -0.1 0.2 -0.3 76 NA NA NA
--------------------------today.csv------------------------------------------****-----------yday.csv------------
option two
Code:
today.csv
36000807 A 123 78 0 1 0.1 0.2 0.3
36000807 A 123 79 0 1 -0.1 0.2 -0.3
36000807 A 123 78 0 5 0.1 0.2 0.3
36000807 A 123 79 0 5 -0.1 0.2 -0.3
36000807 A 123 78 0 10 0.1 0.2 0.3
36000807 A 123 79 0 10 -0.1 0.2 -0.3
yday.csv
Code:
36000807 A 123 76 0 5 -0.34 0.27 -0.38
36000807 A 123 76 0 10 -0.14 0.25 -0.53
final merged file
Code:
f1.1 f1.2 f1.3 f1.4 f1.5 f1.6 f1.7 f1.8 f1.9 f2.4 f2.7 f2.8 f2.9
36000807 A 123 78 0 1 0.1 0.2 0.3 NA NA NA NA
36000807 A 123 79 0 1 -0.1 0.2 -0.3 NA NA NA NA
36000807 A 123 78 0 5 0.1 0.2 0.3 76 -0.34 0.27 -0.38
36000807 A 123 79 0 5 -0.1 0.2 -0.3 76 NA NA NA
36000807 A 123 78 0 10 0.1 0.2 0.3 76 -0.14 0.25 -0.53
36000807 A 123 79 0 10 -0.1 0.2 -0.3 76 NA NA NA
--------------------------today.csv-----------------------------------------***-----------yday.csv------------
case three
today.csv
Code:
36000807 A 123 78 0 1 0.1 0.2 0.3
36000807 A 123 78 0 5 0.1 0.2 0.3
36000807 A 123 79 0 10 -0.1 0.2 -0.3
yday.csv
Code:
36000807 A 123 76 0 1 0.56 0.47 0.39
36000807 A 123 76 0 5 -0.34 0.27 -0.38
36000807 A 123 76 0 10 -0.14 0.25 -0.53
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08-09-2012
