1. UNIX for Dummies Questions & Answers

I have a file called products.kp which contains, for example, 12345678,1^M 87654321,2^M 13579123,3 when I run the command cat products.kp| sed -f kp.sed where kp.sed contains s,^M,, I get the output 12345678,1 87654321,2 13579123,3 (5 Replies)

2. Shell Programming and Scripting

Dear guys; when deleting repeated lines using nawk as below ; Why the below syntax works? nawk ' !a++' infile > outfile and when using the other below syntax the nawk doesn't work? nawk ' { !a++ } ' infile > outfile or nawk ' { !a++ } ' infile > outfile BR (4 Replies)

3. Programming

I have the following program: int main(int argc, char** argv){ unsigned long int mean=0; for(int i=1;i<10;i++){ mean+=poisson(12); cout<<mean<<endl; } cout<<"Sum of poisson: "<< mean; return 0; } when I run it, I get the... (4 Replies)

4. Ubuntu

It is so till login screen. I mean that when I boot my computer, Ubuntu shows a splash screen with mouse instead of Ubuntu logo and in the login screen it shows XUbuntu login screen... It began when I upgraded to previous kernel, I suppose, but I'm not sure... I can't say that it annoys me very... (6 Replies)

5. Red Hat

Hi I have script to to take backup and send mail to a group once a day. One strange behavior I have observed recently is that most of the time the mail we receive is fine . But someday it just sends out mail without any subject with undisclosed recipients. I dont know how to find the cause... (0 Replies)

6. Shell Programming and Scripting

I am not sure what is wrong, but I have some strange behavior when printing things out. I do create a file with only one word test, no space, no new line etc. nano file<enter> test<ctrl x>y<enter> Server 1 gets (fail) awk '{print "+"$0"*"}' file *test Server 2 gets (OK) awk '{print... (9 Replies)

7. Shell Programming and Scripting

Hi All, I am facing a strange problem while grepping for a process. Here is the small script that i have written. It will look for any process running with the parameter passed to the script. If no process is running it should print appropriate message. $ cat t.ksh #!/bin/ksh set -x ... (9 Replies)

8. Shell Programming and Scripting

Hi I run the below command to find and delete *.xml files 90 or more days old. find . -type f -name '*.xml' -mtime +90 -exec rm {} \; find: stat() error ./Hello/2014_EMPTY.xml: No such file or directory ./Hello/2014_EMPTY_8011.xml: No such file or directory ..... .... If the file... (10 Replies)

9. Shell Programming and Scripting

Hello All, I have a strange issue. I've created a shell script which connects to RMAN (Oracle Recovery Manager) and executes full DB backup. I then executed this script with nohup and in the background: $ nohup my_script.sh > logfile.log 2>&1 &The issue is that when I tried to take a look into... (6 Replies)