5
votes
2answers
133 views

Detect if running in a virtual terminal?

I'd like to autologin to tty1 on login and then use vlock to lock it. How can I detect from Bash if the current terminal is a console virtual terminal (e.g. tty1), so that I can put the vlock line ...
5
votes
1answer
202 views

A program that runs in a shell (e.g. pine) vs. a shell script

Having a bit of trouble finding the answer to my question, perhaps because I may be asking the wrong question. I understand bash scripts. I write them all the time to do little helpful things ...
0
votes
1answer
45 views

List of 'if' switches anywhere? [closed]

Is there a list of all the if switches for use in bash scripting? Sometimes I see someone using it and I wonder what the switch they're using actually does. Example is the -z in this one. I know how ...
1
vote
1answer
38 views

Scrot command - how to save only thumbnail

I'm using scrot to take screenshots from terminal. However when I want to generate thumbnailed version using parameter -t, I got two files: screenshot.png and screenshot-thumbnail.png. How can I ...
5
votes
3answers
120 views

“Friendly” terminal color names in shell scripts?

I'm aware of libraries in languages such as Ruby and Javascript to make colorizing your terminal scripts easier by using color names like "red". But is there something like this for shell scripts in ...
1
vote
4answers
67 views

Show video files with its size

I need all the .mp4 files' dimensions to be printed with the file name. For example: 1_VIDEO.mp4 1204x680
1
vote
3answers
153 views

How to execute more than one command in a newly opened terminal?

I have a script that I want to use to open new terminals and type commands in them. A command like gnome-terminal opens a new terminal. Also, if I do gnome-terminal -e myprogram1 it will ...
2
votes
1answer
133 views

Use the terminal's autocomplete path feature for input to a shell script

I want to make a script that: (1) Gets a path giving the user the ability to use tab to autocomplete, then (2) gets a filename from the user, and then (3) creates a file at that path with extension ...
4
votes
1answer
155 views

output while reading keyboard input

I'm trying to write a script that will ssh into a box, start a processes that needs to be monitored (by a human) for success or failure then move onto the next box and repeat. I've been trying to use ...
-1
votes
2answers
1k views

How to append multiple lines to a file with bash

I am writing a bash script to look for a file if it doesn't exist then create it and append this to it: Host localhost ForwardAgent yes So "line then new line 'tab' then text" I think its a ...
7
votes
1answer
183 views

“w | tail” chops text at right margin (78 characters)

Summary: w | tail chops rows after 78th column. When I run the "w" command, it works as expected. However, when I pipe the output to "tail", it chops the output to 78 columns wide (truncates anything ...
1
vote
1answer
213 views

Is there some sort of “no newline at eof” rules for bash scripts?

I have two files, an env file and a run file. When I deploy them to my Ubuntu Server box I get the error: ./start-admin: line 10: syntax error: unexpected end of file If I deploy and then add a ...
1
vote
3answers
109 views

UNIX be-spoke Shell-Script / Commands

Sorry in advanced if this question would be better suited on SO. Basically, I'm getting used to using the command line interface (linux etc..) and I come across commands like: git [command] .. ...
5
votes
2answers
724 views

How to tweet using terminal?

I would like to tweet a message using terminal. I tried something like: curl -u 'TwitterUsername':'TwitterPassword' -d status=”Your Message Here” https://twitter.com/statuses/update.xml but seems ...
0
votes
1answer
202 views

Run a script after some command were executed

I have a list of scripts ./myscript <param> | grep "asd" ./myotherscript <param> <param> > file ... How can I automaticaly run another script when one of these command in the ...

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