Changes

• csvtk v0.31.0
  • csvtk sort/join:
    • faster speed and lower memory.
  • csvtk sort:
    • do not panic for empty input. #287
  • csvtk summary:
    • fix the order of columns. #282
  • csvtk rename2:
    • fix -n/--start-num. #286
    • add flag --nr-width.
  • csvtk replace:
    • fix implementing {nr}. #286
  • csvtk csv2json:
    • fix values with double quotes and new line symbols.
  • csvtk split:
    • support customize output file prefix and subdirectory from prefix of keys. #288
  • csvtk spread:
    • add a new alias "scatter" to "spread". #265
  • csvtk grep:
    • do not show progress.
  • csvtk fix-quotes:
    • new flag -b, --buffer-size.
  • csvtk plot:
    • new flag --scale for scaling the image width/height, tick, axes, line/point and font sizes proportionally, adviced by @tseemann.
  • csvtk plot line:
    • only add legend for more than one group. #279
    • sort points by X for plotting lines. #280
  • csvtk hist:
    • new flags: --line-width.
  • csvtk box:
    • plots of different groups have different colors now.
    • new flags: --line-width, --point-size, and color-index.