2016年9月27日 · 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 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 …

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 …

2019年2月27日 · The original sh sourced .profile on startup. bash will try to source .bash_profile first, but if that doesn't exist, it will source .profile. Note that if bash is started as sh (e.g. /bin/sh …

2020年7月30日 · 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 …

I found the .bashrc file and I want to know the purpose/function of it. Also how and when is it used?

2013年8月18日 · I suddenly came across the term "ephemeral port" in a Linux article that I was reading, but the author did not mention what it is. What is an ephemeral port in UNIX?

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 …

2016年6月21日 · However, when you source something, it is run in your current shell which, because it is interactive, has already loaded the aliases and therefore the fi alias is recognized …

2019年7月28日 · You could source the new file, which would work for some changes, possibly including updating the PATH variable (depending on other lines). However, sourcing it would …