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hi. how do i get the duration of 1 week then perform a specific action within that week.

20120619 - start
20120626 - 1 week

then perform specific action within that week.

i wanna replace an "X" to column that equals 10. say,

file1.txt

aaa 12
yyy 10
www 12

Output should be:

aaa 12
yyy X
www 12


Thanks in advance.

hello everyone.

in connection with this thread. i would like to ask if it is possible that I use sed in replacing a string in an entire column? how do i incorporate a specific column, like $2 to...

awk '{if (match($1,"uvm") == 0 && match($1, "dev") == 0){print $0}}' File

Thanks for this but I tried it but still it includes the line even it skips a certain file. That is to say,

File 1 - aaa
File 2 - aaa
File 3 - no "aaa"
File 4 - aaa

The output was:

3 aaa...

File 1

aaa
ccc
fff

File 2

aaa
bbb
ddd

File 3

aaa
bbb
eee

File 4

sort File* | uniq -c

i get it. XD

File 1

aaa
bbb
ccc

File 2

aaa
xxx
zzz
bbb

File 3

aaa
bbb
xxx

Output: