10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hello all, I am having trouble with what should be an easy task, but seem to be missing something fundamental. I have two files, with File 1 consisting of a single field of many thousands of records. I also have File 2 with two fields and many thousands of records.
My goal is that when $1 of... (2 Replies)
Discussion started by: jvoot
2. Shell Programming and Scripting
Long time listener first time poster. Hope someone can advise.
I have two files, 1000+ lines in each, two fields in each file.
After performing a sort, what is the best way to find exact matches where field $1 and $2 in file1 are also present in file2 on the same line, then output only those... (6 Replies)
Discussion started by: bstaff
3. UNIX for Beginners Questions & Answers
I have 2 tab-delimited input files as follows.
green A apple
red B apple
apple - A;Z
Return $1 of file1 if,
. $1 of file2 matches $3 of file1 and,
. any single element (separated by ";") in $3 of file2 is present in $2 of file1
In order to... (3 Replies)
Discussion started by: beca123456
4. Shell Programming and Scripting
Given two files (test1 and test2) with the following contents:
80279867,PT01I need to do some... (3 Replies)
Discussion started by: gacanepa
5. Shell Programming and Scripting
Please excuse for often requesting queries and making R&D, I am trying to work out a possibility where i have two files field separated by pipe and another file containing only one field where there is no matching columns, Could you please advise how to merge two files.
$more... (3 Replies)
Discussion started by: karthikram
6. Shell Programming and Scripting
I am working with two tab-delimited files with multiple columns, formatted as follows:
>chrom 1 100 A G 20 …(10 columns)
>chrom 1 104 G C 18 …(10 columns)
>chrom 2 28 T C ... (4 Replies)
Discussion started by: mbp
7. Shell Programming and Scripting
I am newbie to unix and would please like some help to solve the task below
I have two files, file_a.text and file_b.text that I want to evaluate.
1551.83 ... (3 Replies)
Discussion started by: gameli
8. Shell Programming and Scripting
I have 2 files (file1 & file2).
File1 and File2 have m and n columns respectively
I have to compare value in column1 of file1 with file2 and find line(s) from file2 matching column1 value.
The value can be in any column in the matching lines of file2.
The output should be... (10 Replies)
Discussion started by: Swagi
9. Shell Programming and Scripting
Hi every one;
I have a 31500-line text file upon which two following tasks are to be performed:
1: Rearranging the file
2: Taking the average of each column (considering number of zeros) and output the result into a new file
This is the code I've come up with:
awk '(NR%3150<3150)... (0 Replies)
Discussion started by: nxp
10. Shell Programming and Scripting
I am writing a program to run through two large lists of data (~300,000 rows), find where rows in one file match another, and combine them based on matching fields. Due to the large file sizes, I'm guessing AWK will be the most efficient way to do this. Overall, the input and output I'm... (5 Replies)
Discussion started by: Michelangelo