Using programs and commands that do not have a graphical user interface (GUI) but are rather controlled by typing text commands into a terminal program, or shell.

learn more… | top users | synonyms (2)

0
votes
1answer
51 views

Why BSD eval cannot run gtime?

I am considering this answer with GNU time which I installed by brew. data.txt hello amigo this line 3 and here we go 4 and 5 is here Code in BSD time time eval $(echo sed $(for i in 1 2 3 5; do ...
1
vote
2answers
139 views

How to use the flag -p of BSD split?

Manual -p pattern The file is split whenever an input line matches pattern, which is interpreted as an extended regular expression. The matching line will be the first ...
1
vote
1answer
352 views

Terminal Command Line to find corrupted files

I do have just one corrupted photo into my Photos Library. Is there is any UNIX command line that I can use in terminal in order to scan my Photos Library Folder and find out which file is corrupted?
2
votes
1answer
997 views

How can I echo shell script in Automator?

I have an Automator service which runs a shell script (ffmpeg command). I'm looking for a way to see the output of the terminal while ffmpeg does it's thing. Adding echo to the ffmpeg command doesn't ...
0
votes
0answers
91 views

Script - Audio Files - Find, Count and Sort by type

I have a very large audio collection I have to sort. It's a mixture of M4A, FLAC, AIFF, WAV and MP3. It's the result of years of work by a now deceased person who sat in their garage ripping their own ...
1
vote
0answers
96 views

Command Line Tools update description of changes

When Apple provides updates for OS X and other software it typically also describes the changes introduced in that version, as displayed in the App Store application's Updates tab or in a separate ...
0
votes
0answers
21 views

Terminal: “command not found” [duplicate]

I have issues with my Terminal, after every command I try to run, it returns something like "command not found" or "No such file or directory exists" I think I caused it when I tried to run MineCraft ...
1
vote
3answers
151 views

Problem: How to clear all remnants of random.py, random.pyc, and random.pyo that isn't part of Python's standard library?

I wrote an import random code, and unfortunately saved it as the module's name I was trying to call. eg. random.py I believe, but am not sure, that I created the random.py file twice and thus I ...
0
votes
1answer
190 views

Get terminal application name from shell

I am used to my osascript aliases. In particular, I have nx for opening new tab and closing the old one. However, my scripts use application name to send keyboard signals to it. Instead of writing it ...
6
votes
2answers
4k views

Update bash to version 4.0 on OSX

Is it possible to actually update bash to version 4.0 in OSX Yosemite? echo $BASH_VERSION 3.2.57(1)-release This article and this thread refer to the same question, but they install a new shell ...
0
votes
1answer
34 views

Paste tool for OSX

There is paste tool in Linux but have not found for OSX. Its name was probably dpaste or something in Linux. Assume you run xxd -ps r328.raw | head -n2430 and you want to paste it to your friend. ...
0
votes
1answer
597 views

Warnings when installing pip

I just installed pip and got a few warning messages. Should I be concerned? Is there a way to check that pip was installed properly? Here's what I did: [mchenja@mycomp ~]$ sudo easy_install pip ...
2
votes
1answer
103 views

Does homebrew store tar.gz after package installation is complete?

If so, where? If not, where does it downloads it for the time of installation? I interrupted a package installation (brew install) and then restarted it. Do I have two tar.gz archives now? I thought, ...
0
votes
2answers
410 views

Is there a way or a tweak to make Siri execute shell commands

Indeed I have a home automation system, I would like to integrate a voice control system and for that I need to be able to call shell commands like curl. I have seen many Siri tweaks but none of ...
0
votes
0answers
133 views

os.Popen command is not working

I'm writing a python script that is suppose to change default display settings for all users. I run the script as sudo because it needs to change every display. This line is suppose to change the ...
5
votes
2answers
130 views

Why does preview change the ctime of a pdf, and how can I disable it?

When I open a file in Preview, preview updates the ctime of the file. This seems to only happen once however, and as far as I can tell, nothing other than the ctime is changing. This is very ...
4
votes
5answers
2k views

How to find the currently connected network service from the command line?

I would like to find out which of the available network services (e.g. Ethernet or Wi-Fi) is currently active. In this screenshot from the Network Preferences, you can see that Wi-Fi is currently ...
3
votes
3answers
524 views

Downscale a iMac 5K screenshot to 50% using commandline

Open the Screenshot in Preview Select “Adjust Size…” from the Tools menu Change the Width and Height to 50 percent of the original Change the Resolution to 72 pixels/inch I wish to do this on CLI ...
1
vote
0answers
685 views

mkfs.jffs2 or equivalence on Mac Os X

I need to use mkfs.jffs2 command on Mac OS X. On Linux, the command is installed with mtd-tools package, but I can't find it from homebrew. I tried to build from the source, but I have numerous ...
0
votes
0answers
117 views

How can I programatically remove folder from Finder's Favorites?

I installed one app which adds special folder to my Favorites sidebar in Finder. I like the app, but I don't like polluting the sidebar. Unfortunately, the app doesn't allow me to turn off the ...
2
votes
2answers
186 views

“open or reload” html doc from command line?

I have a program which generates some html documentation. At the end of the script, I use the open command to automatically view the page in the browser. generate-document > index.html open index....
1
vote
1answer
53 views

What is wrong in this command about grepping and pandocing?

I am thinking this answer which returns a broken PDF document in OSX 10.10.3. The file test_dummy.tex is here. pandoc test_dummy.tex -f markdown -t html | grep -E '(^<|^$|^ *$)' \ | grep -v "^&...
2
votes
1answer
333 views

cannot locate app, locate not working

I have an app (gv) where I can run it from the terminal, but when I click on it, I get errors. This makes me think there are multiple instances of it or something. I tried which and got nothing... ...
1
vote
0answers
256 views

Changing color of text in terminal for program output

This might be answered already but I could not figure out a good way to phrase it to look for an answer so I hope you'll bear with me. I want to change the color of the text output on Terminal if it ...
8
votes
1answer
953 views

How can I take selfie by running a console command on Mac? [duplicate]

I know I can take a selfie with the built-in camera via the Photo Booth app. However, is there a way capture an image via command line, in sort of lolcommits style?
2
votes
1answer
66 views

Terminal backslash input repeated in output

I'm using zsh on a MacBook Pro, OS X 10.10. When I type in certain commands, such as this one: cat myfile | awk -F $'\t' '{print $8, $9}' | sort | uniq -c | sort -k1,1n | awk '{if ($1 > 50) sum += ...
6
votes
3answers
1k views

Can I use GNU ps on OS X?

We can install GNU coreutils via brew. But there's no ps in the utils. Can we use gnu ps in OS X? I'd like to use GNU ps as it has more options and features.
-2
votes
2answers
52 views

How do I make this terminal script work properly?

I want it to appear like I'm contacting a bunch of ip-adresses and it works fine until the third line in the code and I want to be able to fix it. Also the 4 bottom lines don't work. So this is ...
5
votes
1answer
281 views

Command line to disconnect or connect 802.1x authentication

I have been searching for a terminal command line to disconnect or connect 802.1x authentication, but not the network interface. I was searching some help pages and it showed command lines to export ...
0
votes
1answer
36 views

Where is GNU info files stored on Mac OSX?

For example, where could I find the info document of bash on mac OSX. I only know the man page is stored at /usr/share/man/ but doesn't know where to find the info file.
0
votes
1answer
40 views

Modifing a preference via applescript changes file group

I recently request help about modifying firewall settings via command-line (see my previous question). Everything is working, but I have noticed that whenever I use this command in an applescript, the ...
1
vote
2answers
378 views

Automated screensaver configuration in command line/shell script

So I'm configuring some Default User Template LaunchAgents to configure a default screensaver for some of my company's most popular fan art. (It's actually been really well received by the team). They'...
3
votes
2answers
543 views

How to renice by process name?

I am trying to Launch a process using NICE but this process is starting other process by itself and they are not affected by the priority of the main process ( main process has the correct nice but ...
0
votes
2answers
312 views

Howto run a Terminal command using shortcut or a button

I always have the problem in my dock, where the download bar just stops and stays froze. I know you can do a killall -KILL Dock and it will fix the issue. Is there a way to click a button or do a ...
4
votes
2answers
2k views

How to dump the content of keychain from the shell?

I'm testing the following command-line in the Terminal: sudo security dump-keychain -d login.keychain which I'd like to use to save all my passwords into a file. However when I run it, it keep ...
11
votes
1answer
784 views

OS X terminal “open” command and keeping focus on the command line

I appreciate the "open" terminal command to launch OS X apps. When invoking the open command for any purpose, it is overwhelmingly likely that I will have at least one other command I would like to ...
2
votes
1answer
3k views

Can I open a file in Preview from the Terminal?

I know that I can open a file with an external program from the Terminal with open, and that works for most applications. However, when I try to use a command like open -a Preview info.txt, it ...
1
vote
1answer
1k views

Lock Screen from Command Line? [duplicate]

I have activated the Keychain Menu Bar icon so I can relatively easily click Lock Screen to lock the screen of my MacBook. Is there a way to do this with a shortcut or via the command line? I know you ...
0
votes
1answer
98 views

bash- command not fount error

I tried to install omnet++ on my Macbook pro (OS 10.10) yesterday. I got an error so I delete path in my bash-profile. Now, every command I try to run in my terminal shows an error of command not ...
0
votes
1answer
293 views

grepping /Library and “Too many levels of symbolic links”

I'm trying to clean up remnants of an application that was removed: $ sudo grep -R "iNet Network" /Library ... grep: /Library//Frameworks/Mono.framework/Home/lib/libmono-2.0.1.dylib.dSYM/libmonoboehm-...
1
vote
2answers
46 views

generic approach to finding the correct name to run an app from the command line

Whenever I am not in a browser or in my text editor, most of my time on my mac is spent on the terminal. What's a quick, generic way to figure out how to run a gui program from the bash shell? It ...
1
vote
0answers
2k views

Command line tool installed, but gcc/g++ compiler not working

Heads up, I have a similar problem such as in this question, but it wasn't resolved: how to debug configure.sh errors when compiling rsync on Yosemite So basically I am looking to compile code via ...
1
vote
3answers
380 views

Is there a command similar to Linux's command-not-found?

Most Linux operating systems have a package like command-not-found (http://packages.ubuntu.com/utopic/command-not-found), which provides suggestions when a shell command was not found, e.g. because ...
3
votes
2answers
6k views

How to find .bashrc or .zshrc?

I just got a MacBook Pro and am in the process of trying to get GNU commands installed. I'm following this guide, but I don't know how to do: Then add the following line to your .bashrc or .zshrc: ...
1
vote
1answer
258 views

How to list audio card IDs from terminal

I am developing a script which deals with sound recording. As user potentially can have multiple sound cards attached, I would like to give him/her a chance to select desired one. The software I use ...
3
votes
4answers
1k views

How to go to alias from terminal?

By alias, I mean the folder shortcut created when you right-click a folder in Finder and select "Make Alias". I can traverse symbolic links in Terminal with cd, but it doesn't work on aliases: bash: ...
-1
votes
1answer
166 views

Command to find out the version number of a .pkg file

Does anyone know how to retrieve the version number of a .pkg file which isn't installed yet? I'd like to use something like pkgutil --pkg-info, but that only works for installed packages. I've ...
0
votes
0answers
88 views

-bash: /Users/[me]/.rvm/scripts/initialize: No such file or directory

I was in a directory where I had a ~ and I went to remove it by doing rm -f ~ for which it said it was a directory. So I made the really silly move of doing rm -rf ~ and suddenly I get the error -...
0
votes
2answers
98 views

How can I create a script with multi command

I tried to create a script on OS X. I do something wrong. I want to execute 2 command: defaults write com.apple.finder CreateDesktop -bool true and killall Finder I saved and chmod the file but ...
0
votes
1answer
198 views

Shell set environment variables for command

I want to run a program in Terminal and set its environment variables. According to my research one can do this using: VARIABLE="value" VARIABLE2="value2" run_program Now I'd like to set a variety ...