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Read data using Swift from files using a Fortran format specification.

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FortranFile

Read data from files using a Fortran format specification.

Fortran is great, isn't it? But do you have lots of data sitting in Fortran-formatted files that you would like to access using Swift for your own nefarious purposes? Yes, I thought so. All of the boilerplate you need is here.

How to access a Fortran formatted file.

Step 1. Create a format.

let format = try FortranFile.format(string: "1x,4i1,i5,12i3,f15.11,2f18.11,f14.11,f20.11")

Step 2. Use the format to read a line of input.

let result = try FortranFile.read(input: input, using: format)

The result is an array of any FortranValue corresponding to the values read from the input.

Supported format specifiers.

Real numbers.

  • Dw.d
  • Ew.d
  • Fw.d
  • Gw.d

Integers.

  • Iw

Logicals.

  • Lw

Text.

  • Aw

Horizontal skip.

  • nX

Blank editing.

  • B
  • BN
  • BZ

Scale factor.

  • nP

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Read data using Swift from files using a Fortran format specification.

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