Questions tagged [command-line]

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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list files by date added in terminal with function or script or another

I found this in another post but would like to be able to call a script of function to reduce the amount of typing. ls -a | \ grep -v '^\.$\|^\.\.$' | \ xargs -I {} mdls -name kMDItemFSName -name ...
trainmanlied's user avatar
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Equivalent of objcopy -0 binary for Mach-O object files in macOS?

Equivalent of objcopy -O binary <FILE> <FILE>.bin for Mach-O object files in macOS? I want to dump the executable code in the __TEXT segment to a flat binary file on macOS. This can be ...
Shuzheng's user avatar
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Unable to open a UDP port with nc

On ubuntu, I can open a UDP port: nc -lu 5555 Then in another terminal window, send a message: echo "hello" | nc -u localhost 5555 The message is received at the listener side, as expected. ...
Digital Trauma's user avatar
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How can I download files from Linux to macOS only using the existing SSH connection?

How can I download files from Linux to my Mac OS using only the existing ssh connection? I know if I use the Windows System, I can use lrzsz to down files: yum install lrzsz sz file // there can ...
aircraft's user avatar
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result returns just new line \n not whats printed after command is run

Ultimately I'm trying to catch some errors that are popping up but aren't getting returned. Here's the command I'm trying to run. /usr/bin/dscl . -change /Users/admin NFSHomeDirectory /Users/admin ...
TheCainSauce's user avatar
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How to make `sudo su` run startup scripts?

Supposedly the bin/sh shell that is the default root shell is not strictly a "bash" shell, but is a POSIX compliant equivalent. According to this site, when you invoke the shell executable of a "...
James M. Lay's user avatar
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How to activate Recoverit when 'csrutil' doesn't *on macbk pro 10.13.6

Terminal messaged 'failed to modify system integrity configuration. This tool needs to be executed from the Recovery OS.' Where is Recovery OS.Objective to recover data from Emptied Trash...precious ...
John Graham's user avatar
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How to read mail via command on Mac?

I set my mail agent tool to send and to receive mails with many accounts such as a gmail account. I want to read the mail via command line for triggering cronjob purpose. For example, | grep "...
jefferyear's user avatar
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Network proxy setup in terminal

I am trying to create a bash script that will update the mac's proxy settings and a few other places when a user changes their password every 60 days. So far I am trying to use this command for the ...
Spencer1456's user avatar
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What is this title in the watch command? android-

Running the watch command I see this title: Every 2.0s: ls android-94348784d7dfd533: Mon Feb 4 08:59:54 2019 The android portion is confusing me. I don't understand what it is ...
The Who's user avatar
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Modifying `whatis` to return error code for missing commands

Followup to "whatis" returns 0 for missing commands, I am trying to modify /usr/bin/whatis to return a non-zero exit code after an inappropriate command has been entered. My approach to ...
Max Coplan's user avatar
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How to get the Disk Image property using terminal?

Let's say I have the volume path. Normally I can right-click and 'Get info' to get its Disk image. I want to replicate the same on terminal (basically need to code it in objective C) mdls doesn't seem ...
Shruti Gupta's user avatar
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Why isn't xargs running one command per line for this use case?

My overall task is to ping each EC2 server I happen to be connected to. I am using this command to do that: netstat -W | grep ec2 | cut -d " " -f 18 | sort -u | cut -d "." -f 1,2,3,4 | xargs -0 -p "...
Freiheit's user avatar
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bsdtar gives (Empty error message) when trying to extract an ISO

On High Sierra 10.13.6 (17G65), trying to bsdtar -xf something.iso fails with: bsdtar: (Empty error message) bsdtar: Error exit delayed from previous errors. I have plenty of disk space left and ...
Bailey Parker's user avatar
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Atom editor no longer opens from command line

I've been using the Atom editor on my iMac running High Sierra. I usually run it from the terminal by typing atom. I moved many of my apps to an external drive to free up disk space. I originally ...
Natsfan's user avatar
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How to list all /dev/disks, not partitions ending in s1, s2, ...?

I am trying to list (output) the drive its Mac OS X name from the serial number in the Bash 3.2 shell on the command line. For this I need to loop through all block devices not being a partition. So I ...
Pro Backup's user avatar
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dd error: unknown conversion sync

I have an external drive with multiple partitions. I want to clone the entire drive. There are not any GUI apps that I can find that will clone the entire volume, so I attempted dd. My command was:...
k3vmo's user avatar
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How to access folder form a .tool application

I can create a clickable script, by changing the .sh extension to a .tool (or .command) one. However when I do this, the paths that I have in my script break. I am trying to run a dotnet core ...
Jeff Kranenburg's user avatar
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How to install a virtual environment of Python in macOS

First steps with Python, I am trying to run Python in a virtual environment in macOS. I Googled "install virtual environment python mac" and got a link for this. When I typed in Terminal: $ pip ...
MicroMachine's user avatar
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/usr/bin/open executable disappeared

I am on macOS High Sierra (Version 10.13.3) all recent updates are installed. The open executable is not in the /usr/bin folder anymore. Is there anyway to repair the system so that I can get it ...
cwoebker's user avatar
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How to remove /volumes/ from my automator service using existing shell script

I have this shell script from here. Right now it outputs something like this: File Path: afp://serveraddress.com/Volumes/Sharepoint/Folder/test.txt Parent Folder: afp://serveraddress.com/Volumes/...
Brave_Buffalo's user avatar
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bash prompt acting weird when I click UP key and then down KEY

So my bash prompt looks like this [parth:~]$ and if I go cd to Desktop, it looks like this [parth:Desktop]$. I only want to see the current directory, next to my username so if I go to a folder, in ...
Parth Bhoiwala's user avatar
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Have installed “Command line” but whenever i try to build and run my program terminal says “No such file or directory”

I have tried to build and run my project through CodeLite. I have installed Command Line but somehow it doesn't work. It says "no such file or directory" but whenever I ask it to look for gcc, it ...
kathleen ashley's user avatar
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How to start with launchd a bash script that calls fswatch with `&`

Manually it works I have a bash script called git-watch.sh (gist link) that calls fswatch in a loop like this: while read -r line; do { fswatch -r "$line" | grep --line-buffered -v '.git' | ...
kbdluv's user avatar
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How can I "Quick Look" (result of pressing Space Bar in Finder) a filename printed by "ls" in iTerm2?

Simple question: is it possible to get the "Quick Look" of images and text files by clicking the results of ls in an iTerm2 window?
Luke Davis's user avatar
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SH script calls Perl script. Works when I double click, but Perl script fails when I call from terminal

Severe newb here. I have a shell script that simply calls a perl script to create a file. It works if I double-click the SH file, but fails if I call the file in a terminal. here is the entire SH ...
John Douet's user avatar
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1 answer
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Open a terminal tab at a specified directory from command line

I am looking for a script-based solution executed in the command line. Open a new window of terminal at specified ~/desktop open -na terminal ~/desktop Open a terminal tab osascript -e 'tell ...
Wizard's user avatar
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security cms for S/MIME?

Can I use security cms for encrypting and decrypting S/MIME mails? Or is there any alternative?
user60589's user avatar
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Equivalent of Linux "service" command on Mac OS to stop a running process/service

I want to stop a running driver on Mac OS then overwrite it with another version then restart. The files are overwritten to the same location. When I overwrite and reboot the new driver starts as ...
TenG's user avatar
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1 answer
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Recursively change file type

I have folders, containing files and folders. Among these files, some have extension, some have no extension. I noticed that a file without extension can have a type (probably stored in some kind of ...
Santa Claus's user avatar
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1 answer
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Is there a command line utility to perform common Wi-Fi operations?

I would like to manage my Mac's Wi-Fi on the command line, but there are lots of different built-in Mac utilities that need to be called (airport, ipconfig, networksetup, netstat, security), with ...
Keith Bennett's user avatar
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1 answer
2k views

Change accessibility setting on Mac for command line program

I have built a simple command line program with Xcode, and I would like to access the NSEvent.addGlobalMonitorForEvents method. It seems like the program must be trusted for this to work. self....
Shiyason's user avatar
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Detect fn and function key simultaneously pressed

I am using ControllerMate to try to change what my volume buttons do. Unfortunately, I haven't figured out how I can detect that the F11 or F12 keys are being pressed at the same time as the fn key. ...
minseong's user avatar
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/etc/profile not being sourced for login shells

The -l flag to sh is supposed to source the contents of /etc/profile and other profile scripts like ~/.profile, which generally provide the initial set of environment variables for a login session. ...
Score_Under's user avatar
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1 answer
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Decode MacBook assembly date from system report file?

My task is to create a simple database containing information about the MacBooks my company owns. In order not to do it manually, I decided to ask everyone using a Mac to send me a system report file ...
Erathiel's user avatar
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Text file line order messed up in terminal

I was writing a simple bash script for a small task. echo starting URL="10.10.0.1/api/monitoring/traffic-statistics" curl -b cookie $URL When I executed it using bash script.sh , it just prints ...
chamod's user avatar
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Run Xcode `git pull` and `git Push` commands in terminal

The question is clear: How do I perform Xcode's commands for git pull and git push via terminal? Reason: I've set up multiple git accounts and ssh (Reference). Someone told me the reason why one of ...
Eddie's user avatar
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2 answers
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`dd`command: ISO to USB Changes Partition Table to APM

I am trying to dd an ISO to a USB so I can install Linux on another computer, but the USB changes from any partition table (GPM or MBR) to APM when it finishes. I'm using the following command: sudo ...
Noob101's user avatar
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1 answer
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Cannot get duplication of screens to work with mini display between iMac & Macbook

Have an iMac 21", 2.5, Mid 2011 and a MacBook Pro Mid 2012 and I just bought a Mini display to connect them through the Thunderbolt. I cannot see that they are connected or the choice to connect it in ...
Hummerdreng's user avatar
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1 answer
452 views

how to use hpn ssh with sftp command

I've installed hpn ssh using this command: sudo port install openssh +hpn I want to transfer lost data (100GB at least) using sftp command terminal command. I am wondering, is installing hpn ssh ...
sanjihan's user avatar
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Issue when trying to convert the month number to word form in AppleScript (but only when that month contains 31 days)

I have a piece of AppleScript code that converts a numerical date to that date in words. The code accepts a variable that contains a date in the following format: 2017_04_01 The code converts ...
rubik's sphere's user avatar
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1 answer
2k views

Trying to script partitioning Macintosh HD in command line?

I am trying to script partitioning the Macintosh HD. I am running diskutil partitionDisk /dev/disk0 GPT JHFS+ New 100g in command line and I'm getting this error. Started partitioning on disk0 ...
Bob's user avatar
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1 answer
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How does this AWK script work?

I have 2 data files each containing one column. I want to make another data file by merging both the columns. I have the command line in shell but I don't know how it works. Please explain ...
Pragyant Prada Behera's user avatar
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1 answer
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check if storage is available and if it is execute a backup routine with passwordphrase

i installed restic backup program with homebrew and tested its performance. Its great. So i wold like to set up a automated routine. I tried to do it in automator with a workflow but because of the ...
novski's user avatar
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Which `vboxmanage clonehd` variant corresponds to the GUI selection `dynamically allocated`?

I wanted to resize a VMDK, which VBoxManage can't resize directly, so I used the Convert to VDI → Resize VDI → Convert to VMDK procedure described here. For the last step, I could not find clear ...
ShadSterling's user avatar
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1 answer
173 views

.cshrc got empitied, aliases are loaded in opened terminal, how to retrieve them?

accidentally my .cshrc file got deleted, which had many aliases. I have terminal tab opened in my linux machine, which has all these aliases loaded in it. How can i retrieve it so that i could write ...
VikasPushkar's user avatar
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2 answers
1k views

What steps can be taken to recover from rm -rf ~

Asking for a friend. Imagine that one has accidentally created a file named ~ and in the process of deleting it, foolishly types: rm -rf ~ Luckily, I have active terminal windows open, so all is ...
enderland's user avatar
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1 answer
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How do I save terminal output to a file?

How do I save the output of a command to a file from terminal? That is if my command gives some output and it is printed directly on terminal but I want it in some text file or may be other kind of ...
Nikhil Manapure's user avatar
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1 answer
572 views

AppleScript / Shell Script to read 'curl -L' data

I have Dropbox file with two lines of data that I'd like to parse into two variables. The following function should have the right logic but doesn't seem to work: set versionFile to do shell script ("...
ProGrammer's user avatar
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About Mac histories of programs?

My friend asked me a question about "Is it possible to check what programs you open and you made" and I didn't know if its possible or not so I want to ask you if its possible or not. Like how can ...
jepjep40's user avatar

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