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Copied from a gist by christophergandrud (https://gist.github.com/christophergandrud/1eb4e095974204b12af9)
+This function is really helpfull when working on eg sst.dk-servers. You can not load packages, so you have to re-write this function. It is short, and you will manage!
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Usage
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source_lines(file, lines, ...)
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Arguments
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- file
+character string with path to the source file
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+- lines
+numeric vector of the lines to source from 'file'
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+- ...
+further arguments to be passed to source
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