Hello,
My apologies if this has been posted elsewhere, I have had a look at several threads but I am still confused how to use these functions. I have two files, each with 5 columns:
File A: (tab-delimited)
PDB CHAIN Start End Fragment
1avq A 171 176 awyfan
1avq A 172 177 wyfany
1c7k A 2 7... (3 Replies)
I am trying to retrieve that max 'year' in a text file that is delimited by tilde (~). It is the second column and the values may be in Char format (double quoted) and have duplicate values.
Please help. (4 Replies)
Hi all,
I searched through the forum but i can't manage to find a solution. I need to join a set of files placed in a directory (~1600) by column, and obtain an output with first and second column common to each file, but following columns are taken from the file in the list (precisely the fourth... (10 Replies)
Hello all,
this should really be easy for you... I need AWK to print column maxima for each column of such input:
Input:
1 2 3 1
2 1 1 3
2 1 1 2
Output should be:
2 2 3 3
This does the sum, but i need max instead:
{ for(i=1; i<=NF; i++)
sum +=$i }
END {for(i=1; i in sum;... (3 Replies)
Hi,
I need an awk script (or whatever shell-construct) that would take data like below and get the max value of 3 column, when grouping by the 1st column.
clientname,day-of-month,max-users
-----------------------------------
client1,20120610,5
client2,20120610,2
client3,20120610,7... (3 Replies)
Hi,
I have 20 tab delimited text files that have a common column (column 1). The files are named GSM1.txt through GSM20.txt. Each file has 3 columns (2 other columns in addition to the first common column).
I want to write a script to join the files by the first common column so that in the... (5 Replies)
I've the following data set. I would like to look at the column 3 and only use the rows which has the max value for column 3
Can we use the awk or sed to achieve it.
10 2 10 100
11 2 20 100
12 2 30 100
13 2 30 100
14 ... (7 Replies)
hi guys,
i need help
I need to join file2 to file1 when column 3 in my file1 and column 1 in my file2 in the same string
file1
AA|RR|ESKIM
RE|DD|RED
WE|WW|SUPSS
file2
ESKIM|ES
SUPSS|SS
Output
AA|RR|ESKIM|ES
RE|DD|RED|
WE|WW|SUPSS|SS (3 Replies)
Hello,
This post is already here but want to do this with another way
Merge multiples files with multiples duplicates keys by filling "NULL" the void columns for anothers joinning files
file1.csv:
1|abc
1|def
2|ghi
2|jkl
3|mno
3|pqr
file2.csv:
1|123|jojo
1|NULL|bibi... (2 Replies)