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example file:
col1,col2,col3,col4,col5......col62
1,a1,a2,a3,a4...................a61
2,b1,b2,b3,b4...................b61

expected file lets say:
Col62,col61,col60...................col1...

Hi,
I am new to shell scripting, i have requirement can any one help me out in this regrads,
in directory i have file like invoice1.txt, invoice2.txt in each file i have fixed number of columns, 62...