10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
I have 1000 text files in a folder that are labeled data1.txt all the way to data1000.txt. I want to write a small script that manipulates the text files in this way:
(1) cut the 2nd and 9th columns of the text files
(2) sort by the numerical value in the 9th column
(3) then save the rows... (3 Replies)
Discussion started by: evelibertine
3 Replies
2. Shell Programming and Scripting
Hello all!
This is my first post and I'm very new to programming. I would like help creating a simple perl or bash script that I will be using in my work as a junior bioinformatician.
Essentially, I would like to take a tab-delimted or .csv text with 3 columns and write them to a "3D" matrix:
... (16 Replies)
Discussion started by: torchij
16 Replies
3. Shell Programming and Scripting
Hi,
I am very new to scripting and I wanted to write a unix shell script which can give me,
1)number of cpu's in a box
2)number of cores per cpu
3)total number of cores in abox (ie multiplying 1&2)
I am also trying to figure out how to check if hyper-threading is enabled in the... (8 Replies)
Discussion started by: steven12
8 Replies
4. Shell Programming and Scripting
#!/bin/csh
echo hello world
this is what i got in a text file called ss1.
i type "chmod 755 ss1.txt" to make it executable.
then when i type
ss1
or
ss1.txt
it says
"ss1 command not found"
what am i doing wrong? (19 Replies)
Discussion started by: pantelis
19 Replies
5. Shell Programming and Scripting
I want to write a bash script to:
1. Send an email from localhost to an external gmail account. (gmail then automatically forwards the message back to a pop account on the same server.
2. Script waits 3 minutes then checks to see if the email arrived, and if not, it sends an email to... (9 Replies)
Discussion started by: sallyanne
9 Replies
6. Red Hat
Building software in most languages is a pain. Remember ant build.xml, maven2 pom files, and multi-level makefiles?
Python has a simple solution for building modules, applications, and extensions called distutils. Disutils comes as part of the Python distribution so there are no other packages... (0 Replies)
Discussion started by: Linux Bot
0 Replies
7. Programming
I'm trying to write a small utility for syntax checking. I've tried using Flex/Bison, but these seem too advanced for my task. A simpler tool would be appreciated. (1 Reply)
Discussion started by: Ilja
1 Replies
8. UNIX for Dummies Questions & Answers
how would i write a shell script to show the number of lines in which int variable appears in a c++ program. (3 Replies)
Discussion started by: deadleg
3 Replies
9. UNIX for Dummies Questions & Answers
I have a loop which will go round "i" number of times and return a value each time. Is there a way to set a variable(i) such that I will end up with variable(1), variable(2), variable(3) etc. for however many times the loop went round?
eg:
for (i=1;i<=3;i++)
--do some sums--... (0 Replies)
Discussion started by: Sniper Pixie
0 Replies
10. UNIX for Dummies Questions & Answers
I'm trying to write a simple unix script that will delete files after 30 days of being created. I've never done this before but conceptually it sounds easy. Here is what I'm trying to do:
Get System Date
Get File Date
If (sysdate-filedate>30days)
rm file
All of these files are contained... (1 Reply)
Discussion started by: tamdoankc
1 Replies