10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi All,
I have records in unix file like below. In this file, we have empty fields from 4th Column to 22nd Column. I have some 200000 records in a file. I want to extract records only which have empty fields from 4th field to 22nd filed. This file is comma separated file. what is the unix... (2 Replies)
Discussion started by: rakeshp
2 Replies
2. Shell Programming and Scripting
Dear folks
I have a large data set which contains 400K columns. I decide to select 50K determined columns from the whole 400K columns. Is there any command in unix which could do this process for me? I need to also mention that I store all of the columns id in one file which may help to select... (5 Replies)
Discussion started by: sajmar
5 Replies
3. Shell Programming and Scripting
Hi,
i need a single command to create multiple empty files(no trailing lines as well) and empty the files if already existing.
please let me know or if this has been ansered, if some ocan share the link please, thanks
> newfile.txt
or
:> newfile.txt
do not work (4 Replies)
Discussion started by: Onkar Banerjee
4 Replies
4. BSD
I am trying to test simple zfs functionality on a FreeBSD 8.2 VM. When I try to run a 'zpool create' I receive the following error:
# zpool create zfspool /dev/da0s1a
cannot create 'zfspool': no such pool or dataset
# zpool create zfspool /dev/da0
cannot create 'zfspool': no such pool or... (3 Replies)
Discussion started by: bstring
3 Replies
5. UNIX Desktop Questions & Answers
Dear All,
Kindly explain me a command in unix to create a empty wav file with example.
Thanks in Advance! (1 Reply)
Discussion started by: thillai_selvan
1 Replies
6. Solaris
Hi All,
I want to write a script to create flar images on multiple servers. In non zfs filesystem I am using -X option to refer a file to exclude mounts on different servers.
but on ZFS -X option is not working. I want multiple mounts to be ignore on ZFS base system during flarecreate.
I... (0 Replies)
Discussion started by: uxravi
0 Replies
7. Programming
I have C++ exe file( no source code) and need to run many large dataset under unix, but how to know the memeroy usage for one dataset?http://www.codeproject.com/script/Forums/Images/New.gif
I think "top" is not good and if using the profiler, it seems no free download, any ideas? (1 Reply)
Discussion started by: Danielwang1986
1 Replies
8. Programming
Hi,
I have a table in my sqlite, here is an example (tab separated)
585 name1 chr1 + 1872 3533 3533 3533 6 1872,2041,2475,2837,3083,3315, 1920,2090,2560,2915,3237,3533, name2
The 10th and 11th columns have information in a comma separated format (not tab).... (0 Replies)
Discussion started by: labrazil
0 Replies
9. Shell Programming and Scripting
I can't get touch to simultaneously create three empty files file1, file2, file3. I tried:$ touch filebut all I got was one file:$ fileWhat did I do wrong? (4 Replies)
Discussion started by: na5m
4 Replies
10. Shell Programming and Scripting
I need to pass an empty space in the command ="java ......... "
as one of the arguments where java calls some java command....
(It accepts it in windows as " ")
Thanks in advance
SD (2 Replies)
Discussion started by: shweta_d
2 Replies
