How to include file in a bash shell script
Simply put inside your script : Or
bash
How to configure git bash command line completion?
On Linux On most distributions, git completion script is installed into /etc/bash_completion.d/ (or /usr/share/bash-completion/completions/git) when you install git, no need to go to github. You just need to use it – add this line to your .bashrc: In some versions of Ubuntu, git autocomplete may be broken by default, reinstalling by running this command should fix it: On Mac … Read more
How do I write stderr to a file while using “tee” with a pipe?
I’m assuming you want to still see STDERR and STDOUT on the terminal. You could go for Josh Kelley’s answer, but I find keeping a tail around in the background which outputs your log file very hackish and cludgy. Notice how you need to keep an exra FD and do cleanup afterward by killing it and technically … Read more
What is a simple explanation for how pipes work in Bash?
A Unix pipe connects the STDOUT (standard output) file descriptor of the first process to the STDIN (standard input) of the second. What happens then is that when the first process writes to its STDOUT, that output can be immediately read (from STDIN) by the second process. Using multiple pipes is no different than using … Read more
Difference between sh and Bash
What is sh? sh (or the Shell Command Language) is a programming language described by the POSIX standard. It has many implementations (ksh88, Dash, …). Bash can also be considered an implementation of sh (see below). Because sh is a specification, not an implementation, /bin/sh is a symlink (or a hard link) to an actual implementation on most POSIX systems. What is Bash? Bash … Read more
Print array elements on separate lines in Bash?
Try doing this : The difference between $@ and $*: Unquoted, the results are unspecified. In Bash, both expand to separate args and then wordsplit and globbed. Quoted, “$@” expands each element as a separate argument, while “$*” expands to the args merged into one argument: “$1c$2c…” (where c is the first char of IFS). You almost always want “$@”. Same goes for “${arr[@]}”. Always quote them!
Extract filename and extension in Bash
First, get file name without the path: Alternatively, you can focus on the last ‘/’ of the path instead of the ‘.’ which should work even if you have unpredictable file extensions: You may want to check the documentation : On the web at section “3.5.3 Shell Parameter Expansion“ In the bash manpage at section … Read more
How to get the first line of a file in a bash script?
head takes the first lines from a file, and the -n parameter can be used to specify how many lines should be extracted:
Linux Bash: Move multiple different files into same directory
You can do (Note that the / above is unnecessary, I include it merely to ensure that vehicle is a directory.) You can test this as follows:
Bash mkdir and subfolders
You can: The -p flag causes any parent directories to be created if necessary.