Questions tagged [join]

Join several lines in a single one, inside a single file or from several files.

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7
votes
1answer
6k views

intersection of two files according to the first column

I have two files in file A, there are sequence_numbers in the other file B, there are many columns, and the first column is sequnce numbers, I want to get a files with all the lines in the B with the ...
3
votes
3answers
10k views

Find common elements in a given column from two files and output the column values from each file

I have two files with tab-separated values that look like this: file1: A 1 B 3 C 1 D 4 file2: E 1 B 3 C 2 A 9 I would like to find rows between files 1 and 2 where the ...
2
votes
2answers
3k views

Join problem: throwing error, join extra operand

I want to join 3 files on a column which has sorted unique numeric values (those files have only one column of values though) and starts with same prefix for an example "usi". Now, while I am doing ...
3
votes
3answers
3k views

How to sort and join at the same time?

I have 2 files, one having 2 columns, another having 1 column. The second file is sorted using sort -u. Now the task is I need to join this column with the first column of the first file, which is not ...
4
votes
2answers
5k views

How to find out common elements between two files?

For an example, I have 2 files having following info: File #1: 12 13 14 15 File #2: 12 1 13 2 14 2 15 6 16 7 17 8 Output File: 1 2 2 6 In the output file, I want only the second column values ...
1
vote
6answers
15k views

compare two files get identical list

file1.txt (50 lines) TERYUFV00000010753 TERYUFV00000009526 file2.txt (500 lines) TERYUFV00000009526 refids_739_known_8/10_target TERYUFV00000018907 refids_12023_known_21/22_target ...
2
votes
1answer
169 views

Using join with two files fails on larger file sizes

I am having some issues with a script that is using join to join two files. Eaxmple input files contains lines like this: Here are the input file and the output of the join command: D:\work\...
6
votes
4answers
8k views

Compare two files: lines present in one, not in the other, by one column comparison

I need to compare 2 files. Column 1 is the same in both files. Column 2 is what I want to compare: I want all lines in file 1 that are not in file 2 when comparing column 2. Column 3 is different in ...
11
votes
2answers
43k views

Join two files with matching columns

File1.txt id No gi|371443199|gb|JH556661.1| 7907290 gi|371443198|gb|JH556662.1| 7573913 gi|371443197|gb|JH556663.1| 7384412 gi|371440577|gb|JH559283.1| ...
6
votes
2answers
16k views

Compare two file columns

I have long text files with space-delimited fields: cat file1.txt Id leng sal mon 25671 34343 56565 5565 44888 56565 45554 6868 23343 23423 26226 6224 77765 88688 87464 6848 66776 23343 63463 ...
5
votes
3answers
10k views

Join, filling in missing key values

I have two files having a primary key value as a first field, and a corresponding value(s) as the remaining fields, and some primary key values are missing in one of them but are present in another, ...
8
votes
2answers
6k views

A shell script for joining two files

I want to write a shell script that get two files A and B, and get a result like this: File A: user_a tel_a addr_a user_b tel_b addr_b File B: process_1 user_a process_2 user_a process_3 user_b ...
3
votes
1answer
1k views

merging files and getting column values based on id field

bash-3.2$ cat sample.log sample.log.1 sample.log.2 ID COL1 COL2 COL4 1 col1 col2 col4 2 c1 c2 c4 3 co1 co2 co4 ID COL3 COL1 1 col3 col1 2 c3 c1 3 co3 co1 ID COL1 COL2 COL3 1 col1 ...
3
votes
2answers
341 views

join files with numbered index

I am trying this command: join -a1 -11 file1 file2 > file3 file1 looks like: 1 2 3 4 5 6 7 8 9 10 11 file2: 1 lkj klj lkj 2 lkj lkj lkj 3 7 lkj lkj lkj 8 9 11 lkk ...
7
votes
5answers
2k views

Compare an old file and new file, but ignore lines which only exist in new file?

I have two files: oldlist - This contains a list of files and a md5 hash for each file. This was generated one year ago. newlist - This also contains a list of files and a md5 hash for each file. ...
15
votes
7answers
45k views

join : “File 2 not in sorted order”

I've got two files _jeter3.txt and _jeter1.txt I've checked they are both sorted on the 20th column using sort -c sort -t ' ' -c -k20,20 _jeter3.txt sort -t ' ' -c -k20,20 _jeter1.txt #no ...

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