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Hello everyone,
I am doing file handling using Lua programming. But I need some help where I got stuck.
I want to read particular line from the file.
consider the following file:-

problem description
title="3d Beam Sample Problem (Logan ex. 6.8, p.248)" nodes=4 elements=3

1 x=0   y=0        constraint=fixed
2 x=0   y=120    constraint=free    force=side_sway
3 x=120 y=120                              force=twist
4 x=120 y=0       constraint=fixed

beam elements
1 nodes=[1,2] material=column
2 nodes=[2,3] material=beam
3 nodes=[3,4] material=column

I want to read 'x',and 'y' values whenever I pass argument to read 'nodes' and similarly for other contents(like constraint,forces etc) too.
After then I want to pass all these things directly into database,to gather all the similar things from number of files.
Please help me in syntax. I am a beginner in Lua Programming.
Thank you in advance.

Sandeep Ghai