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.

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2k views

Using locate.updatedb doesn't work in Lion

A week ago I upgraded to Lion from Snow Leopard. I want to use the locate command, but the locate database has not been built yet. So I tried running sudo launchctl -w ...
3
votes
1answer
603 views

Why setting image as its own icon with sips result a blurred icon? Are there any alternatives?

I've successfully changed icons using the procedure described in an another question: Changing or setting a file or folder icon programmatically. Either my sips (or Finder) got broken afterwards or I ...
3
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0answers
6k views

How do I force a partition and format on a USB key in OS X Mountain Lion Disk Utility or from CLI diskutil?

I have a brand new Memorex TravelDrive 64GB USB disk which is being troublesome. It's formatted FAT16 on MBR, which is not so nice, and I'd like to put it on HFS+. I've tried to do this through ...
2
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3answers
3k views

Can grep highlight matching text without hiding file content?

I frequently use grep's context command line options (-A, -B, and -C), but occasionally I want to view the whole file with matching expressions highlighted. To accomplish this currently I simply ...
2
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4answers
3k views

How to correctly pipe output into “say” in terminal

I realized that the say command can be great when combined with another command/program because it can read you the output. I tried to pipe the output from leave to say by typing the following in ...
2
votes
3answers
300 views

How to determine out what Wi-Fi channel is used from the command line?

If I hold Alt/Option and click the Airport icon at the top, I get a bunch of extra data about the access point I'm connected to. Most interestingly for me right now is the Wi-Fi channel. ifconfig ...
2
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2answers
3k views

Getting launchd to read program arguments correctly

I have a launchd script where the command I'm trying to run is erroring (apparently that's not a word, it is now), complaining of improper usage. The specific error I'm getting is the command's usage ...
2
votes
3answers
2k views

Find/Unrar/Delete Script

I'm a PC convert, and quite novice when it comes to shell/bash scripting, but I really want to learn/understand more. My need: I need to be able to scan a folder, find any .rar files, extract the ...
2
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4answers
6k views

How to find all files that are larger than 1GB on the Mac HD?

It seems that either one of these commands can be used: sudo find / -size +1G sudo find / -type f -size +1G But when it gets to /Volumes, it actually look at all the back up files by Time Machine ...
2
votes
1answer
450 views

Mac Terminal: emacs-style command editing messed up

This has been a "quality of life" issue for me for a while now- command-line editing in the Mac terminal is messed up for me. If I type a few chars, and then hit CTRL-A to move to the beginning of ...
2
votes
4answers
3k views

How to run Wireshark in the background without the GUI?

I am trying to run Wireshark on Mac OS X in the background. I installed the command line utilities, and so I am able to start Wireshark and capture packets using the command line. The only thing I ...
2
votes
2answers
239 views

Troubleshooting “Unexpected argument” error when running defaults write

Trying to change the default screenshot directory to a specific folder in my google drive, but when I try the following command defaults write com.apple.screencapture location ‘~/Users/tommy\Google ...
2
votes
1answer
62 views

Size in bytes is significantly less ( half the size) then size in MB in get info window

In the get info window it says 387,037,139 bytes which is 387 MB whereas the size on disk is 716.9MB which is 716,900,000 bytes. du -sh paramgen result (in MiB) 684M paramgen Why is there such ...
2
votes
3answers
26k views

How to run .exe files on Mac without virtual machine?

I do have one software(.exe) file which I need to run on my macbook pro. For that I need cross platform application just like wine in Ubuntu. Can anyone suggest me the application?
2
votes
3answers
1k views

How to manually trigger background image change?

I have set the wallpaper to change every hour and have enabled it to cycle them in a random order. Sometimes the background image changes to an image that was set just few rounds ago and I'd like to ...
2
votes
3answers
142 views

Why are my command line utilities running so slowly on my Mac?

I have just noticed that command line utilities such as ls (/bin/ls), touch (/usr/bin/touch), cat (/bin/cat), etc. are very slow when I run them from Terminal or iTerm on my MacBook. For example: ...
2
votes
4answers
144 views

Get Info of a hidden file (to change its default app)

I have a hidden file (.htaccess). When I double click it I would like it to open with a certain app (Sublime Text for this particular file type). In order to set the default app I have to open the ...
2
votes
2answers
196 views

make it easier to call often used terminal commands

I have a java tool that I use quite often from the command line but to use it I have to type java -jar dsim.jar. I want to make it so that I can call it just by typing dsim regardless of what ...
2
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3answers
23k views

How Do I Use 'cp' to Overwrite Files?

Using a shell script or Terminal, how do I overwrite files that may or may not be present. I looked at man page for cp, it said use the -f argument to force overwrite. But, it does nothing. $ cp -f ...
2
votes
2answers
516 views

Terminal : needs full path to execute a command

Let's suppose i have an application in /Applications/MacPorts/KDE4/myapp.app/Contents/MacOS/myapp. When i use cd to reach the directory 'MacOS' and then issue the command myapp it says command not ...
2
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2answers
3k views

Is there a free command line program for converting PDF files to SVG?

Once upon a time I used Corel Draw to edit vector graphics. Now I'm looking at using Sketch. I previously converted all my old CDR files to PDF but Sketch doesn't seem to like to open PDFs containing ...
2
votes
1answer
989 views

How to repair Homebrew permissions after installing as root?

I run brew as root, now it's defunct. No updates anymore. How to fix? $ brew update && brew upgrade error: Unable to append to .git/logs/HEAD: Permission denied error: Unable to append to ...
2
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2answers
74 views

Terminal window title rapidly changes when first opening

When I open a fresh terminal window, the title at the top has this format: [house icon][username]-[command]-[terminal size] The command portion of the title initially says login, then it very quickly ...
2
votes
1answer
826 views

How to boot OSX into desktop from single mode?

Is there any possibility to boot graphical mode once I'm in single mode (CMD+S on boot time) logged as root? Related: http://www.mactalk.com.au/11/90219-boot-into-desktop-single-user-mode.html ...
2
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2answers
736 views

Unix command to recursively copy JPG files in a complex directory tree

I have a large directory tree structure that contains multiple JPG files in each directory root and their subsequent subdirectories. I need to recursively extract a single JPG file from each directory ...
2
votes
1answer
484 views

Play .ogg on command line

How can I play a .ogg music file on the command line? On Linux I can use ogg123, but what about on Mac?
2
votes
2answers
1k views

How to enable Maven autocomplete on Mac OS X command-line?

When using Maven (mvn) on OS X Terminal, how can I get tab-completion for Maven goals, plugin names, etc? Things like this: mvn pa [TAB] -> mvn package mvn je [TAB][TAB] -> mvn jetty:run
2
votes
3answers
1k views

How to determine the absolute path to a file in a shell script

I am writing a generic script that can get passed both absolute and relative (to the current working dir) paths to existing files. I need a fail-safe way to turn all those passed paths into absolute ...
2
votes
1answer
115 views

Installing gcc without admin?

Is there a place to install command line programs on OSX without an admin password? I've tried /bin and /usr/bin, and I have permission for neither. Like a ~/Applications, but for the command line.
2
votes
2answers
261 views

How to investigate fragmentation of one file?

I'd like to see if one of my file is "all over the place", ie fragmented in little pieces at different locations on my hard drive. I'm not looking for a software like iDefrag but rather a command ...
2
votes
1answer
867 views

How can I kill or refresh Desktop Wallpaper with a Terminal command?

Is there a command for refreshing the Display Settings? Or, in specific, refreshing the Desktop Wallpaper?
2
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4answers
25k views

How to send text with telnet in Terminal?

I would like to send some text to a port on my machine using telnet in the Mac OS X Terminal. I start telnet using: telnet localhost 8080 Then I type some text. Is that text send automatically or ...
2
votes
2answers
3k views

Setting a custom log

I have to get all the chromium and firefox info logs out of /var/log/system.log and into a nice quiet /var/log/{chromium,firefox}.log. However I can neither recall or find how to set that in ...
2
votes
3answers
579 views

Editing iPhoto-specific metadata

Perpetua:2011-01-16 ashley$ mdls IMAG0107.jpg ... kMDItemComment = "Cat with is tongue out." So, here's my question. xattr can be used to modify some ...
2
votes
1answer
73 views

Time Machine progress from the command line

The Time Machine control panel gives information on in-progress backups. For example Is there a way to get the information from the command line?
2
votes
1answer
182 views

How -exactly- do I remove a specific directory, from my PATH, in OSX, Mavericks?

Ok - so this issue has become somewhat of a white whale for me. I have browsed some of the questions here, but I cannot seem to figure out how to, very simply, delete a directory from my PATH. (I ...
2
votes
1answer
75 views

Adding a username alias using the command line

How do I add a username alias using the command line? I can do it fine using the preferences dialog through the "Advanced Options", but I need to do it during an installation script. Can someone ...
2
votes
1answer
249 views

UTF8 filenames and shell utilities

Try the next commands from the terminal: touch á.txt $ ls á.txt find . -name á.txt -print prints nothing. My Terminal.app settings are utf8 - see here: The question: How to achieve to work ...
2
votes
1answer
419 views

Paste <TAB> into Mac OS X command line

I want to paste <TAB> into command line, in order to execute cut command with <TAB> as the delimiter. Everytime I try to do it, it simulates clicking the tab key and completes the command ...
2
votes
1answer
262 views

Why do debuggers need an admin password?

Why does running LLDB or instruments require elevated privilages?
2
votes
2answers
701 views

Exclude files from “central metadata store”

I'm fairly familiar with the mdfind utility. I find it's very useful when I can't find a file or when I need to find a file with certain contents. The problem is that I need to exclude some files from ...
2
votes
1answer
664 views

Why doesn't the screen command source my .profile?

When I start a new screen, the aliases that I have set in my ~/.profile do not seem to be sourced. Does anyone know where I can change this or which file is actually read when starting a new screen?
2
votes
2answers
138 views

Make a file a Stationery pad via command line

Is there a way to set make a file into a Stationery pad from the command line? You can do it by clicking "Get info" on a file and checking the box, but I would like to do it without clicking. An ...
2
votes
1answer
1k views

Open source iSightCapture?

Is there an open source program like iSightCapture?
2
votes
1answer
211 views

How can I run a shell command at login time without showing a Dock entry? [duplicate]

Possible Duplicate: How to run something automatically when the system boots or a use logs on? I need to automatically run a command when I log in but I don't want to add an item to the ...
2
votes
1answer
4k views

How to list bluetooth devices from command line

I have to list all available bluetooth devices from command line. I tried to google it, but got only results like "how to turn on bluetooth from terminal". Simply: bluetooth scan Thanks for help in ...
2
votes
1answer
250 views

Which of the GNU coreutils applications are included in the MacPorts coreutils package?

In general, I would like to know if there are any discrepancies between the MacPorts coreutils and the GNU coreutils, and how I might go about answering this question myself. In particular, I don't ...
2
votes
1answer
6k views

How to open a file in Excel from the command line

Is it possible to tell Excel to open a file from the command line? In Linux, I could do this using the command libreoffice --calc test.xlsx
2
votes
1answer
76 views

How can I move fast in CLI in Mac?

In linux in CLI I can press ALT + F or ALT + B to move back and forth in terms of words and not one character at a time. Is this available in Mac? There is no ALT and I tried Control + F, Fn + F, ...
2
votes
1answer
692 views

Fixing two user groups with the same ID

Suddenly, my home directory is in the group messagebus instead of the usual staff.(I blame texlive for this, but have no evidence.) The problem is that both groups have the same ID: $ dscl . -read ...