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I have a file like


1 0
2 0
3 1
3 0
4 0
6 1
6 0
. .
. .
. .

i need to eliminate values 3 0 and 6 0 in the same way there are such values in the whole file....but 3 1 and 6 1 shuld...

I have file like
1 0 0 2 0 0 4 0 0....
2 0 1 3 0 0 0 1 0....

i need to find the max value of a row and store it in a file...similarly of all the rows to file..
and also minimum value except...

BUT i need to compare more than one file..around thousands....so need to compare one file with thousand files...

I have few files which have two columns in each.
like

e2
1 1 2694
2 4 2485
3 2 2098
5 1 2079
6 5 2022
9 4 1734
11 5 1585
13 2 1461
18 1 1092
21 2 1019
24 1 915
25 3 907
27 1 891...

I have to files
File1

1 23
2 34
3 7
4 56
5 61
6 22
7 65

File2

2 21
4 32
7 22

Now i need to compare column1 of both the files and generate a third file which should contain all...