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 …

A dangerous one-liner that doesn't require source: export $(xargs <file) It can't handle comments, frequently used in environment files It can't handle values with whitespace, like in the question …

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 …

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 …

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 1. Note that if bash is started as sh (e.g. …

How can I use ffmpeg to reduce the size of a video by lowering the quality (as minimally as possible, naturally, because I need it to run on a mobile device that doesn't have much …

2015年4月4日 · How can I automatically source a particular shell script when I open a terminal window by right clicking somewhere and choosing "open in terminal"? For example, every time …

2017年4月20日 · I think I read something a while back about this, but I can't remember how it's done. Essentially, I have a service in /etc/init.d which I'd like to start automatically at boot time. …

2016年7月5日 · And most allow multiple sources before the final target if it makes sense to do so. That includes scp. Some commands (like the GNU versions of cp and mv) have an option (e.g. …