63
votes
7
answers
2.7K
views
Run R script from command line
I have a file, called a.r, it has a chmod of 755, sayHello <- function(){ print('hello') } s
56
votes
18
answers
1.3K
views
How do I edit a file after I shell to a Docker container?
I successfully shelled to a Docker container using: docker exec -i -t 69f1711a205e bash Now I need to edit
54
votes
15
answers
1.7K
views
How can I get a list of user accounts using the command line in MySQL?
I'm using the MySQL command-line utility and can navigate through a database. Now I need to see a list of
60
votes
29
answers
1.5K
views
Argument list too long error for rm, cp, mv commands
I have several hundred PDFs under a directory in UNIX. The names of the PDFs are really long (approx. 60 chars
55
votes
16
answers
1.7K
views
How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite. I have tried cp -rf /foo/* /bar, but I am still
56
votes
27
answers
504
views
How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have... 09:16:39 AM all 2.00 0.0
58
votes
30
answers
736
views
How to change the output color of echo in Linux
I am trying to print a text in the terminal using echo command. I want to print the text in a red color. How
57
votes
10
answers
1.5K
views
Matlab: Running an m-file from command-line
Suppose that; I have an m-file at location:C:\M1\M2\M3\mfile.m And exe file of the matlab is at this locatio
62
votes
22
answers
750
views
Use grep --exclude/--include syntax to not grep through certain files
I'm looking for the string foo= in text files in a directory tree. It's on a common Linux machine, I
61
votes
14
answers
783
views
How to reload .bash_profile from the command line?
How can I reload .bash_profile from the command line? I can get the shell to recognize changes to .bas
59
votes
14
answers
1.1K
views
How do I set a variable to the output of a command in Bash?
I have a pretty simple script that is something like the following: #!/bin/bash VAR1="$1" MOREF='sudo r
52
votes
12
answers
1.3K
views
How do I copy a folder from remote to local using scp?
How do I copy a folder from remote to local host using scp? I use ssh to log in my server. Then, I would like
57
votes
9
answers
3K
views
POST XML file using cURL command line
How can I POST an XML file to a local server http://localhost:8080 using cURL from the command line? What comm
67
votes
11
answers
2.1K
views
How to pretty print XML from the command line?
Related: How can I pretty-print JSON in (unix) shell script? Is there a (unix) shell script to format XML in
65
votes
30
answers
1K
views
How do I pass command line arguments to a Node.js program?
I have a web server written in Node.js and I would like to launch with a specific folder. I'm not sure ho
52
votes
8
answers
546
views
Pretty print in MongoDB shell as default
Is there a way to tell Mongo to pretty print output? Currently, everything is output to a single line and it&a
50
votes
30
answers
1.3K
views
How do I import an SQL file using the command line in MySQL?
I have a .sql file with an export from phpMyAdmin. I want to import it into a different server using the comma
