One of the missions of an export tool I have in my application, is to clean all .svn directories from my application directory tree. I am looking for a recursive command in the Linux shell that will traverse the entire tree and delete the .svn files. I am not using export, as this script will … Read more
I had Screen running inside an SSH session. Terminal froze. After restarting Terminal, that Screen session still thinks it’s attached. Maybe it is. Perhaps I don’t really know what that means. I’d like to attach to that Screen session from a fresh SSH login. I do not want to kill that Screen session as important … Read more
Closed. This question is off-topic. It is not currently accepting answers. Questions that are too localized (such as syntax errors, code with restricted access, hacked sites, hosting or support issues) are not in scope. See how do I ask a good question? Closed 6 years ago. Improve this question experts, UPDATE: hello dear experts UPDATE. … Read more
when I run ps -aux command on my linux server, to which I connected using putty, few processes are too long to fit in my current window width. Is there an alternative? — Update — I am sorry for downgrading,I thought others won’t find the answer useful too, so I downgraded. Here is the info … Read more
Is something like this: cat “Some text here.” > myfile.txt Possible? Such that the contents of myfile.txt would now be overwritten to: Some text here. This doesn’t work for me, but also doesn’t throw any errors. Specifically interested in a cat-based solution (not vim/vi/emacs, etc.). All examples online show cat used in conjunction with file … Read more
I need to add a cron job thru a script I run to set up a server. I am currently using Ubuntu. I can use crontab -e but that will open an editor to edit the current crontab. I want to do this programmatically. Is it possible to do so? 14 Answers 14
I have a bash script that looks like this: #!/bin/bash wget LINK1 >/dev/null 2>&1 wget LINK2 >/dev/null 2>&1 wget LINK3 >/dev/null 2>&1 wget LINK4 >/dev/null 2>&1 # .. # .. wget LINK4000 >/dev/null 2>&1 But processing each line until the command is finished then moving to the next one is very time consuming, I want … Read more
I have a large file A (consisting of emails), one line for each mail. I also have another file B that contains another set of mails. Which command would I use to remove all the addresses that appear in file B from the file A. So, if file A contained: A B C and file … Read more
There are two files called “a.txt” and “b.txt” both have a list of words. Now I want to check which words are extra in “a.txt” and are not in “b.txt”. I need a efficient algorithm as I need to compare two dictionaries. 12 Answers 12
I have a FILE *, returned by a call to fopen(). I need to get a file descriptor from it, to make calls like fsync(fd) on it. What’s the function to get a file descriptor from a file pointer? 3 Answers 3
