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Thank you RudiC . That's a cool solution, which is also suitable for more complex situations.

I have a large csv dataset like this : A value1
A value2
A value3
B value1
B value2
B value3
C value1
C value2
C value3

what I expected output is :A value1 value2 value3...

Thank you Singh, I will try it next time.

--- Post updated at 03:55 AM ---

Thank you, nezabudka it also worked for me.

I have a csv dataset like this :

C,rs18768
G,rs13785
GA,rs1065
G,rs1801279
T,rs9274407
A,rs730012

I'm thinking of use like awk, sed to covert the dataset to this format: (if it's two...

Great, that's an elegant solution.

Thank you all, Yoda and RavinderSingh13' s code works for me.

---------- Post updated at 01:42 PM ---------- Previous update was at 01:32 PM ----------



Thank you, Yoda, this works great. ...

Hi, all

I have a field in a file looks like this(hundreds of lines):


inf
1.24101
-0.185947
-0.349179
inf
0.126597
0.240142
-0.12031And what I expect is:

inf
1.241
-0.186
-0.349...

Thanks for your advice, I understand what you mean. Frankly speaking, I majoring biology and need to analyze some datasets. If I used the scripts in my paper, maybe I could list your name as...

Ok, I searched Google and tried python:
import itertools
paralog = ['a','b','c','d']
for L in range(2, len(paralog)-1):
for subset in itertools.combinations(paralog, L):
print(subset)
...

Hi, everyone

I have a group lists like this (more lines are omitted:
a b c d
E F G H
....

I want to generate all combinations of two elements in each group line. What I expected is this:
a...

wow, that's great, very appreciated. :)

Hi, everyone
I have a dataset like this:
A B C D
A C
C D E
F G H
F D K
Y
X A
K K C Gsome of columns have no values in each line. I want to print all lines that have 1/2/3/4...

great, thanks very much.

Hello, everyone

I have two files like this:

File 1: A
B
C
D
E
FFile 2:A B 1
A C 2
A K 3
B A 4
D E 3
W X 2
A B 2I want to print all lines (file2) that...

Hello everyone,
I have a sample data like this:
Glyma.10G051100 Glyma.02G036000 89.91 228 23 0 1 228 1 228 1e-78 294
Glyma.10G051100 Glyma.09G023700 87.28 228 29 0 1 228 1 228 1e-68 261...

I upload a very small sample size. 19 in total. The command gives the 11, 6 , respectively. I don't know what's wrong. Maybe something wrong with my format?


oh, I realized that I didn't remove...

How could I upload my sample? It's a large dateset, more than 10 Mb.

Thank you for the information. The question is that the number of matched and unmatched lines are not equal to the total lines. I don't know where is wrong. I think the problem is that many A-B,...

Hello,

I am new beginner, and just got help from this forum. The command line is :awk '($1, $2) in x {
print x[$1, $2]
print
delete x[$1, $2]
next
}
{ x[$2, $1] = $0...

That's great, thank you. could I ask you one more question? I am a beginner. so, How do I output the rest lines from this dataset? I mean reverse selection and output.

Hello,
I have a sample data like this:
A1 B1 100.00
B1 A1 100.00
A2 B2 90.80
B2 A2 90.80
A3 B3 99.07
B3 A3 99.07
A4 B4 99.00
B4 A4 99.00
A5 B5 97.13
B5 A5 99.53
.
....

yeah, it's not the same as my sample dataset. but the format is similar and it works perfect for my dataset as I applied it into my dataset. Output is like this:
Glyma.10G001700 Glyma.10G179600...

Thanks very much! I add more details. so far, I think your answer gives the result I expected. [1] 173372
I am beginner, one more question, How do I output the rest of the lines from my file.

I have a dateset like this:
Gly1 Gly2 2 1 0
Gly3 Gly4 3 4 5
Gly3 Gly5 1 3 2
Gly2 Gly1 3 6 2
Gly4 Gly3 2 2 1
Gly6 Gly4 4 2 1what I expected is:

Gly1 Gly2 2 1 0...

Great, Thank you so much.:b: You know, It's very difficult for a beginner like to me to figure out even it's a very simple command.