csvtk v0.25.0

Changes

• csvtk v0.25.0
  • csvtk: report empty files.
  • csvtk join: fix loading file with no records.
  • csvtk filter2/muate2:
    • support variable format of ${var} with special charactors including commas, spaces, and parentheses, e.g., ${a,b}, ${a b}, or ${a (b)}. #186
  • csvtk sort: fix checking non-existed fileds.
  • csvtk plot box/hist/line: new flag --skip-na for skipping missing data. #188
  • csvtk csv2xlsx: stores number as float. #192
  • csvtk summary: new functions argmin and argmax. #181