10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
I am trying to write a script to find some files in a directory
Example: if i have files like
2014-02-01_aaaa.txt
2014-02-01_bbbb.txt
2014-02-01_cccc.txt
2014-02-01_dddd.txt and some other files how can i just check to see if there four files exits or not i tried some thing like this... (5 Replies)
Discussion started by: vikatakavi
5 Replies
2. Shell Programming and Scripting
Hi I have a matrix with n rows and m columns like below example. i want to extract all the pairs with values <200.
Input
A B C D
A 100 206 51 300
B 206 100 72 48
C 351 22 100 198
D 13 989 150 100
Output format
A,A:200
A,C:51
B,B:100... (2 Replies)
Discussion started by: anurupa777
2 Replies
3. Shell Programming and Scripting
Hi all,
I have a large matrix of 720 x 25. I want to get sum of range of rows and columns. Like, I need sum of all columns and row number 2 to 21, then leaving 22nd row, again sum of all columns and row number 23 to 42 again leaving 43rd row and then sum of 44th to 63. Means I want to add all... (4 Replies)
Discussion started by: CAch
4 Replies
4. Shell Programming and Scripting
Hi All,
I have a huge (and its really huge!) matrix about 400GB in size (2 million rows by 1.5 million columns) . I am trying to optimize its space by creating a sparse representation of it.
Miniature version of the matrix looks like this (matrix.mtx):
3.4543 65.7876 54.564
2.12344... (4 Replies)
Discussion started by: shoaibjameel123
4 Replies
5. UNIX for Dummies Questions & Answers
Hi All,
I have two text files containing space delimited columns. The first file contains 9 columns and the second one contain 3 columns. I want to copy the 3 coloumns from the 2nd file and paste them in 1st file after 9 coloumns.
Ex.
File1.txt contains 9 coloumns
C1 C2 C3 C4 C5 C6 C7 C8 C9... (6 Replies)
Discussion started by: Unilearn
6 Replies
6. Ubuntu
Hi all,
Is there a way to convert full data matrix to linearised left data matrix?
e.g full data matrix
Bh1 Bh2 Bh3 Bh4 Bh5 Bh6 Bh7
Bh1 0 0.241058 0.236129 0.244397 0.237479 0.240767 0.245245
Bh2 0.241058 0 0.240594 0.241931 0.241975 ... (8 Replies)
Discussion started by: evoll
8 Replies
7. UNIX for Dummies Questions & Answers
Hi,
I've a file with some coloumns (separated by coma) and some lines, like so:
A,B,C,D
1,2,3,4
5,6,7,8
9,1,2,3
I want to print a range of coloumns: for example all coloumns between the coloumn with the charachter B in the first line, and the coloumn with the char D in the first... (5 Replies)
Discussion started by: pippo
5 Replies
8. Shell Programming and Scripting
Hello, all!
I am struggling with a short script to read a diagonal matrix for later retrieval.
1.000 0.234 0.435 0.123 0.012 0.102 0.325 0.412 0.087 0.098
1.000 0.111 0.412 0.115 0.058 0.091 0.190 0.045 0.058
1.000 0.205 0.542 0.335 0.054 0.117 0.203 0.125
1.000 0.587 0.159 0.357... (11 Replies)
Discussion started by: yifangt
11 Replies
9. Shell Programming and Scripting
Hello,
I've tried searching the forum for an answer to my question, but without any luck...
I have a datafile looking simplified as follows:
01 02 03 04 05 06
07 08 09 10 11 12
13 14 15 16 17 18
19 20 21 22 23 24
I want to reverse it by rearranging all the numbers from last to... (16 Replies)
Discussion started by: mattings
16 Replies
10. Shell Programming and Scripting
Hi,
I ahve a file where the format is as given below:
qqq dfsf gdfjkg gjdosjg jkflsjd 21
fdksdlf fsdnkfl lkdfsgjld 45
laefsdl fsdlfksl fsdklflk gfsdl 56
I need to replace the last number by space or delete the last number in each line. (by using... (6 Replies)
Discussion started by: jisha
6 Replies
