07-30-2012
how to get a subset of such a file
Dear all,
I have a file lik below: n of row=420, n of letters in each row=100000 like below: there is no space between the letters.
what I want is: the 75000th letter to the 85000th letter in each row.
how to do that? thanks a lot!
GCTAACTTCCGGGAGGGGGCTTATAATACTAGCTACGCTTTGCACACGGGAAAGGCCTTCGGAGAAAAGTCAATCATGCGCTTCCTCAGTTCCAGGAAAA GGACCTGCGGGAACCGGAGACTTCCGGGAGGGGGCTTATAATACTAGCTACGCTTTGCACACGGGAAAGGCCTTCGGAGAAAAGTCAATCATGCGCTTCC TCAGTTCCAGGAAAAGGACCTGCGGGAACCGGAGGGCT
...
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hello!
I'm trying to find out the total file size of a subset list in a directory. For example, I do not need to know the total file size of all the files in a directory, but I need to know what the total size is of say, "ls -l *FEB08*" in a directory. Is there any easy way of doing this?
... (3 Replies)
Discussion started by: tekster757
3 Replies
2. Shell Programming and Scripting
Hi All,
I need some help to effectively parse out a subset of results from a big results file.
Below is an example of the text file. Each block that I need to parse starts with "reading sequence file 10.codon" (next block starts with another number) and ends with **p-Value(s)**. I have given... (1 Reply)
Discussion started by: Lucky Ali
1 Replies
3. Shell Programming and Scripting
Hi All,
I have some 6000 text files in a directory. My files are named like 1.txt, 2.txt 3.txt and so on until 6000.txt. I want to count the "number of words" in only first 3000 of them. Any suggestions?
I know wc -w can count the number of words in a text file. I am using Red Hat Linux. (3 Replies)
Discussion started by: shoaibjameel123
3 Replies
4. UNIX for Dummies Questions & Answers
Hi,
I'd like to swap the columns 1 and 2 of a space-delimited text file but only for the first 1000 rows. How do I go about doing that? Thanks! (1 Reply)
Discussion started by: evelibertine
1 Replies
5. UNIX for Dummies Questions & Answers
Hello
Could you please help me to find a code that can randomly select 1224 lines from a file of 12240 and make tn output with 1224 line each.
my input is txt file with 12240 lines like :
13474 999003507 0 0 2 -9
13475 999003508 0 0 2 -9
13476 999003509 0 0 1 -9
13477 999003510 0 0 1 -9
... (7 Replies)
Discussion started by: biopsy
7 Replies
6. UNIX for Dummies Questions & Answers
Hi. I have a large data file. the first column has unique identifiers. I have approximately 5 of these files and they have varying number of columns in their rows. I need to extract ~300 of the rows in to a separate file. I'm not looking for something that would do all 5 files at once, but... (7 Replies)
Discussion started by: kadm
7 Replies
7. Shell Programming and Scripting
Hello Unix experts,
I need a help to create a subset file. I know with cut comand, its very easy to select many different columns, or threshold. But here I have a bit problem as in my data file is big. And I don't want to identify the column numbers or names manually. I am trying to find any... (7 Replies)
Discussion started by: smitra
7 Replies
8. UNIX for Advanced & Expert Users
Hello
I have a data set which looks like this :
progeny sire dam gender
12 1 3 M
13 2 4 F
14 2 5 F
15 6 5 ... (13 Replies)
Discussion started by: sajmar
13 Replies
9. Shell Programming and Scripting
Hi all,
I have a log file say Test.log that gets updated continuously and it has data in pipe separated format. A sample log file would look like:
<date1>|<data1>|<url1>|<result1>
<date2>|<data2>|<url2>|<result2>
<date3>|<data3>|<url3>|<result3>
<date4>|<data4>|<url4>|<result4>
What I... (3 Replies)
Discussion started by: pat_pramod
3 Replies
10. Shell Programming and Scripting
In the below awk if I use the attached file as the input, I get no results for TCF4. However, if I just copy that line from the attached file and use that as input I get results for TCF4.
Basically the gene file is a 1 column list that is used to filter $8 of the attached file. When there is a... (9 Replies)
Discussion started by: cmccabe
9 Replies