**XmGrace from command-line, i.e. a perl wrapper of the xmgrace plotting tool. **
(c) Adriano Amaricci 2015
Version 2.1 [17.Aug.2015]
xplot [options] [files/stdin]
[TOC]
-x<min:max>[specify x-interval as xmin:xmin, e.g. `-x0:10a]-y<min:max>[specify y-interval as ymin:ymin, e.g.-y-2:1]-lx[set the x log-scale]-ly[set the y log-scale]-lw<#>[set line width at #, e.g.-lw3]-uX:Yn/F(Yn)[set the x,y nth-columns, e.g.-u1:3;-u1:2,1:3;-uall;-uone/-u1;-u1:'cos($2)']-m[w:h][set fixed window format (default free) optional[wdith:height]]-show[print cmd line on std.out]-s<file>[save output to file.agr]-t<string>[set title]-xt<string>[set x-label]-yt<string>[set y-label]-l[turn legend on]-d[turn legend on using directories]-k[put a string on the y-axis stride for each data sets]-w<l,p,lp>[set line type (gnuplot style) with line (default), with points, both]-c<C1:C2>[use a gradient between color C1 [default black] and color C2 [default red]-h[this help]
####Usage [... | ] xplot [options] ==[files/stdin]==
$ xplot data
$ xplot -u1:3 -x-1:1 data.1* -u1:2 data.0
$ cat data | xplot -uall
$ seq -f%1.4f 0 0.01 6.28 | xplot -u1:'cos($1)' -show