Brace yourself, I’m in an expansive mood (2019)

3 comments

• pkrumins 1517 days ago
  I once saw and saved this snippet that prints 30 English words:

      echo {w,t,}h{e{n{,ce{,forth}},re{,in,fore,with{,al}}},ither,at}
• hyperpallium 1517 days ago
  brace expansion is also useful for renaming/changing hierarchies:

    mv topo{lo,raph}ical.data
    mv proj/src/{main,test}/com/org/proj/Test.java

  [-]
  • lonelappde 1517 days ago
    How can that work?
    [-]
    • hyperpallium 1517 days ago
      Actually, the first one does need the g, should be

        mv topo{log,graph}ical.data
      

      It works because it expands to

        mv topological.data topographical.data
      

      try it with echo instead of mv to see how it expands. Other uses:

        mv myfile.txt{,.tmp}   # add extension
        mv mymusic.{mp3,mp4}   # change extension
        mv myarchive.{zip,jar}
• smitty1e 1517 days ago
  Outstanding title, both topical and unexpected.