Shell Programming and Scripting

HI all,

I have file in the below format

1111111111_222222222_3333333
111111_22222_33333
11111111_222222_33333333333

i need to display this file like this

2222222_1111111111
22222_11111111
22222222222_1111111111111

can anyone help me with this

Thanks in advance

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Code:

awk -F"_" '{print $2,$1}' OFS="_" infile