Add a function used to save data in .dat files

Author: Gabmtzz

.gitignore

@@ -1 +1,2 @@
 .ipynb_checkpoints
+*.dat

data/readme

@@ -0,0 +1 @@
+The .dat files saved by the program appear here.

src/KPpack/Project.toml

@@ -12,6 +12,7 @@ DelimitedFiles = "8bb1440f-4735-579b-a4ab-409b98df4dab"
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Match = "7eb4fadd-790c-5f42-8a69-bfa0b872bfbf"
+Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 PyCall = "438e738f-606a-5dbb-bf0a-cddfbfd45ab0"
 PyPlot = "d330b81b-6aea-500a-939a-2ce795aea3ee"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"

src/KPpack/src/KPpack.jl

@@ -8,6 +8,7 @@ using DelimitedFiles
 using SparseArrays, BlockBandedMatrices
 using Arpack
 using PyCall, PyPlot, LaTeXStrings
+using Printf
 #export Materials, parMat, DOS, DiagM, Plotbands, PlotDOS,
 
 #materials parameters

src/KPpack/src/Params.jl

@@ -170,4 +170,12 @@ end
 #  Modern Physics B, 2017
 #
 # * I. Vurgaftman and J. R. Meyer , Band parameters for III–V compound semiconductors and their alloys", Journal of Applied Physics 89, 5815-5875 # (2001)
-# =================================================================================================================
+# =================================================================================================================
+
+function writefile(data,name)
+    path="../../data/$(name).dat"
+    fout=open(path,"w")
+    datstr=(a->(@sprintf "%10.3f" a)).(data);
+    writedlm(fout, datstr, "" , quotes=false)
+    close(fout)
+end