Answer by January for What's the difference between set, export and env and...
Let us consider a specific example. The grep command uses an environment variable called GREP_OPTIONS to set default options. Now. Given that the file test.txt contains the following lines: line one...
View ArticleWhat's the difference between set, export and env and when should I use each?
Every so often I'll bash out a bash script and it strikes me there are a few ways of setting a variable: key=value env key=value export key=value When you're inside a script or a single command (for...
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