If you want those fields removed in every record, not just the header, try:
This approach does not seem to work. The input and output files still have the same number of columns. The values dxv1 and k2 have been removed from the third row, but it looks like for the rest of the file, one column has been removed from every third row instead of the entire column being removed.
I have attached the original file, original_f0_RSV_1912_A_S1v6_RI7_1916_15-01-10.txt
the file as modified by the code above, modified_f0_RSV_1912_A_S1v6_RI7_1916_15-01-10.txt
and the output I was trying to create, intended_f0_RSV_1912_A_S1v6_RI7_1916_15-01-10.txt
The method posted by RavinderSingh13 modifies the third row, but not the rest of the file.
This code does what I want,
This does not currently allow for more than one column to be removed, though the code could be called separately for each column.
Hi there,
I'm trying to merge two files and make a third file.
However, two of the columns need to match exactly in both files AND I want everything from both files in the output if the two columns match in that row.
First file looks like this:
chr1 10001980 T A
Second... (12 Replies)
I have this text file with a very large number of columns (10,000+) and I want to move the first column to the position of the six column so that the text file looks like this:
Before cutting and pasting
ID Family Mother Father Trait Phenotype
aaa bbb ... (5 Replies)
Hi,
I have a tab delimited text file with multiple columns. The second and third columns include numbers that have not been sorted. I want to extract rows where the second column includes a value between -0.01 and 0.01 (including both numbers) and the first third column includes a value between... (1 Reply)
Hi,
I am not so familiar with bash scripting and would appreciate your help here.
I have a text file 'input.txt' like this:
2 3 4
5 6 7
8 9 10
I want to store each column in an array like this
a ={2 5 8}, b={3 6 9}, c={4 7 10}
so that i can access any element, e.g b=6 for the later use. (1 Reply)
Hi to all,
I have two files. File1 has no header, two columns:
sample1 A
sample2 B
sample3 B
sample4 C
sample5 A
sample6 D
sample7 D
File2 has a header, except for the first 3 columns (chr,start,end). "sample1" is the header for the 4th ,5th ,6th columns, "sample2" is the header... (4 Replies)
Hi Friends,
I have files with columns like this. This sample input below is partial.
Please check below for main file link. Each file will have only two rows.
... (8 Replies)
I have this code below that only prints out certain columns from the first two rows (doesn't affect rows 3 and beyond). How can I do the same on a partial header pattern “G_TP” instead of having to know specific column numbers (e.g. 374-479)? I've tried many other commands within this pipe with no... (4 Replies)
Hello,
I have to fish out some specific columns from a file based on the header value. I have the list of columns I need in a different file. I thought I could read in the list of headers I need,
# file with header names of required columns in required order
headers_file=$2
# read contents... (11 Replies)
I've been struggling with this one for quite a while and cannot seem to find a solution for this find/replace scenario. Perhaps I'm getting rusty.
I have a file that contains a number of metrics (exactly 3 fields per line) from a few appliances that are collected in parallel. To identify the... (3 Replies)