1. Programming

So, this is my first C++ program under linux. My OS is Red Hat 8.0, and my codes are like following: $vi hello.cpp #include <iostream> using namespace std; int main() { cout << "Hello World!" << endl; return 0; } $ g++ -o hello hello.cpp the error message are: ... (3 Replies)

2. UNIX for Dummies Questions & Answers

Hi Friends, Can any of you explain me about the below line of code? mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'` Im not able to understand, what exactly it is doing :confused: Any help would be useful for me. Lokesha (4 Replies)

3. UNIX for Dummies Questions & Answers

Hi: How can I remove my own post? Thanks. (2 Replies)

4. Shell Programming and Scripting

I need to sort the following file by the rhdiskpower devices in the last column: Total_MB Free_MB OS_MB Name Failgroup Library Label UDID Product Redund Path 1024 851 1024 OCRVOT1_0000 OCRVOT1_0000 System UNKNOWN ... (3 Replies)

5. Shell Programming and Scripting

Hi, I have line in input file as below: 3G_CENTRAL;INDONESIA_(M)_TELKOMSEL;SPECIAL_WORLD_GRP_7_FA_2_TELKOMSEL My expected output for line in the file must be : "1-Radon1-cMOC_deg"|"LDIndex"|"3G_CENTRAL|INDONESIA_(M)_TELKOMSEL"|LAST|"SPECIAL_WORLD_GRP_7_FA_2_TELKOMSEL" Can someone... (7 Replies)

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I have read the sun-expansion scenario numerous places but I've never read any suggestion that the earth's orbit would increase to avoid being scorched. What mechanism would push it out? As for creating a black hole by the LHC, the whole concept is silly so any number of reasons would rule it... (9 Replies)

7. UNIX for Dummies Questions & Answers

How to use "mailx" command to do e-mail reading the input file containing email address, where column 1 has name and column 2 containing “To” e-mail address and column 3 contains “cc” e-mail address to include with same email. Sample input file, email.txt Below is an sample code where... (2 Replies)

8. Shell Programming and Scripting

Hello. System : opensuse leap 42.3 I have a bash script that build a text file. I would like the last command doing : print_cmd -o page-left=43 -o page-right=22 -o page-top=28 -o page-bottom=43 -o font=LatinModernMono12:regular:9 some_file.txt where : print_cmd ::= some printing... (1 Reply)