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Tag: linux

Bash list datetime between two dates

How to list all datetimes in the format “+%Y-%m-%d %H:%M:%S” ? This only prints the dates, but I want the time included as well i.e. 2016-07-20 08:33:21 Answer Hope this one can help you: Output:

Bash: transform key-value lines to CSV format [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 6 years ago. Improve this question Editor’s note: I’ve clarified the problem definition, because I think the proble…

Why does msgrcv returns ENOMSG

System V message queue is created successfully, command ipcs -q outputs: But the program to receive the message returns: exit: msgrcv error, No message of desired type This is my code: Answer Transferring comments to an answer. I suggested: Maybe there isn’t a message waiting? Where did you write the co…

How Do I Fix This SED Command to Find & Replace a String

Good-day, I’m working on a Bash script for Debian Jessie and in this line; I am trying to find base_dir}/scripts and replace it with script_dir} so that my new line will read as: This is what I have tried so far; which results in this error; I am confused as to how to resolve this and would appreciate s…

Use of -g and -o options in gcc command in c programming

Suppose there are 2 c program named abc.c and xyz.c . Now we want to work with the 2 executables at a time. So we change the name of the ./a.out using Even gcc -o abc abc.c works. What does the -g and -o in the above commands specify or describe? What is the significance of -g and -o in

Colour code files based on extension in linux

I was wondering if in linux there were a way to coulor files by extension, so that, for example a .py or a .C file would have a different color. So far, all I managed to do is to change the colouring scheme in the ~/.bashrc file to distinguish directories, executables etc. but no way to colour code the files