
What is the difference between "." "./" and "source"? [duplicate]
Sep 27, 2016 · When the script is done, any changes that it made to the environment are discarded. . script The above sources the script. It is as if the commands had been typed in …
Source vs . why different behaviour? - Unix & Linux Stack Exchange
source is a shell keyword that is supposed to be used like this: source file where file contains valid shell commands. These shell commands will be executed in the current shell as if typed from …
Can't use `source` from cron? - Unix & Linux Stack Exchange
Oct 14, 2017 · When I try to use source from the cron job (I have tried both directly in crontab and in a script called by crontab) it doesn't seem to work. I made a simplified version of my project …
bash - Revert '.' or 'source' - Unix & Linux Stack Exchange
Nov 7, 2017 · I accidentally sourced the wrong environment from a script. Is there any way to 'unsource' it or in other words to revert it and restore the previous environment? The obvious …
" sudo: source: command not found" - Unix & Linux Stack Exchange
May 9, 2015 · 34 source is a shell builtin, so it cannot be executed without the shell. However, by default, sudo do not run shell. From sudo Process model When sudo runs a command, it calls …
What is the difference between "eval" and "source /dev/stdin"?
Your example provides the same result, but the purpose of eval and source is different. source is usually used for providing a library for other scripts, while eval is used only to evaluate …
What is the difference between '.' and 'source' in shells?
2 source is there for readability and self-documentation, . exists because it is quick to type. The commands are identical. Perl has long and short versions of many of its control variables for …
bash script error: source: not found - Unix & Linux Stack Exchange
You have an alias which is overriding the builtin source (fix with unalias source) You have a function which is overriding source (fix with unset -f source) You are somehow not using bash …
Why can `BASH_SOURCE` be used to obtain the current directory …
Jul 30, 2020 · I've read that BASH_SOURCE should be populated with the name of the executing script (and it works!). But why does BASH_SOURCE hold the name of the executing script, …
Is there a way to print the commands that the shell builtin `source` …
Sep 26, 2021 · See also: emulate sh -xc 'source ./my_source.sh' or emulate sh -o xtrace -c 'source ./my_source.sh' in zsh to source the file in sh emulation (the .sh extension suggests …