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A NeXT consultant showed me this:
mv /some/long/path/{old,new}file.blah
The {,} notation expands the containing word to a space-separated list obtained by substituting in each thing in the {}, giving for the above:
mv /some/long/path/oldfile.blah /some/long/path/newfile.blah
Great for mv, cp, ln, diff, cmp.
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A NeXT consultant showed me this:
mv /some/long/path/{old,new}file.blah
The {,} notation expands the containing word to a space-separated list obtained by substituting in each thing in the {}, giving for the above:
mv /some/long/path/oldfile.blah /some/long/path/newfile.blah
Great for mv, cp, ln, diff, cmp.