Linked Questions
14 questions linked to/from Which one is better: using ; or && to execute multiple commands in one line?
3
votes
1
answer
11k
views
Semicolon or double ampersand for chaining commands? [duplicate]
When writing a bash script, which is better to chain commands, a semicolon ; or double ampersand &&?
2
votes
1
answer
3k
views
How to chain make command with git clone? [duplicate]
I want to automate pulling git repo and building that repo unattended.
Is there any way I can clone repository and run make immediately after running git clone?
Something like:
git clone << ...
0
votes
1
answer
1k
views
Script with commands split & cat [duplicate]
I want to split an image.jpg into parts and merge it again.
I used the following commands:
split -b 1440 image.jpg # It divides it into 6 parts.
cat xaa.jpg xab.jpg xac.jpg xad.jpg xae.jpg xaf.jpg &...
0
votes
0
answers
44
views
choice of command-line operator and running a bunch of command line commands one after another [duplicate]
I wrote a simple python script that outputs a bunch of linux commands for a custom image manipulation command-line tool.
As an example, here is what the python script creates:
img_dae_create /d /t /19 ...
40
votes
8
answers
25k
views
Why combine commands on a single line in a Bash script?
I am new to Linux and Bash scripting. At work, I've seen Bash scripts with constructions similar to this:
mkdir build && cd build && touch blank.txt
Or:
mkdir build; cd build; touch ...
31
votes
3
answers
83k
views
How to execute several commands after each other with one request to the terminal (without using a file)?
I could (1) prepare a file with typed commands separated by end-line, (2) make it executable, (3) run it from a file-system manager or the terminal.
But this is ridiculous for not repeatable and ...
36
votes
2
answers
85k
views
How to combine multiple commands in terminal?
I have the following commands.
cd import
zcat urls1.sql.gz | mysql -u root -p urls
cd /var/www/project1/
nano 1.php
As of now I'm executing it one by one.
Is there a way to combine those commands ...
19
votes
1
answer
14k
views
Run two commands in case of || or &&
I have read about && and || and I'd like to run two commands in the false case.
I have tried ; but that is running always. I have tried putting it in curly braces { command1; command2 } but ...
8
votes
4
answers
6k
views
How to start two Ubuntu applications in one go?
Lets suppose that there are two binary files, e.g. XXX and YYY, at destination /usr/bin/. I want to start them at once, always! In other words, when I type the name of either of those in unity, I want ...
4
votes
1
answer
4k
views
How do I recursively zip all subfolders in a directory?
Currently, I have this directory structure:
/Downloads
/Download 1/
/Download 2/
/Download 3/
...
I would like to have this directory structure:
/Downloads
Download 1.zip
...
2
votes
1
answer
753
views
What are the steps of this command using ; || and &&
Note: A B C are commands.....
Please tell what the step process would be of these commands
A || B && C =
A && B ; C =
What I am really after is something like this (but would like ...
1
vote
1
answer
821
views
How to restore my Firebird database and modify owner settings in a single command line?
I am using Ubuntu 18.04.4 LTS and I've recently upgraded from Firebird 2.5 to Firebird 3.0.
Prior to upgrading, I was restoring my local database with the following unzip&replace command:
zcat /...
0
votes
1
answer
155
views
Two commands at once in Bash
I want to add a bash command that does the following:
Currently, I need to run this:
$ pdflatex <filename>.tex | open <filename>.pdf
Is there any way to convert that into something like
...
0
votes
0
answers
176
views
need a single repository as argument
Help need to fix this problem, Error: need a single repository as argument
I wrote this
sudo add-apt-repository ppa:ondrej/php sudo apt-get update
I am about to add php7 ppa: