[Paraview] question on using python programmable source

[Sreejith Kuttanikkad]

Dear,
I have number of  files with each file contains  many points (x,y,z
coordinates) of a line/curve. I use python programmable source to visualize
those lines  (like the example given to generates a Helix curve in the
paraview Wiki.)
I use file=fopen("file1",'r') and extract the coordinates of each point from
the file  and visualize that line.. and it is working great.
now the problem is,  i have so many files (many lines) and i want to see all
the lines at once.
so i could use like

FILES=["file1.dat","file2.dat", ..... ]
for filename in FILES:
   file=open(filename,'r')

but i would like to know more elegant way than writing each filenames in an
array (difficult in the case when i have say 100 files)

any tips and tricks..?
thank you
Sreejith
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