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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 the same reason
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 the command line
How can I make a script in etc init. d start at boot? 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 I remember i
How can I reduce a videos size with ffmpeg? 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 available space)?
bash: ‘export: command not found - Unix Linux Stack Exchange There is a mistake every time a new terminal is opened, error: "bash: ‘export: command not found" I only copy export all_proxy="" and export ALL_PROXY="" to terminal,then when I open a new termi
How to export variables from a file? - Unix Linux Stack Exchange 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 example It may unintentionally expand glob patterns into files if they match by any chance It's a bit dangerous because it passes the lines through bash expansion, but it has been useful to me when I
How do I apply the changes to the . zshrc file after editing it? 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 simply run zshrc again, and you might execute unexpected duplicate commands Moreover, if there were deleted lines from the old zshrc, then they wouldn't be "erased" from the
What is the difference between building from source and using an . . . I e , unpack the source package from your distribution, replace the source with the upstream version, check if any of the distribution's patches or configuration tweaks still apply, build the binary package (make sure you changed the version of the packaged stuff!) and install that one Yes, it is more work than just building and installing