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Adding character and append last element of second column

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# 1  
Old 05-24-2017
Adding character and append last element of second column
Hi,
could you help me in processing this file under bash?
I need to add some text to the first line and then append the last element of the second columns.
The input file is tab separated while the output should be space separated.

input file is
Code:
1.00E-02 2.00E-02 4.465E+17
2.00E-02 3.00E-02 5.423E+16
3.00E-02 4.50E-02 1.218E+17
4.50E-02 6.00E-02 2.600E+16
6.00E-02 7.00E-02 9.135E+15
7.00E-02 7.50E-02 1.238E+14
...
9.00E-01	1.00E+00	6.238E+14

desired output
Code:
TEXT     A
1.00E-02 A
2.00E-02 A
3.00E-02 A
4.50E-02 A
6.00E-02 A
7.00E-02 A
...      A
1.00E+00

Thanks in advance,
S
# 2  
Old 05-24-2017
Hello f_o_555,

Not 100% clear to me, could you please try following and let me know if this helps you.
Code:
awk 'BEGIN{print "TEXT     A"} {print $1 FS "A"}'   Input_file

Thanks,
R. Singh
# 3  
Old 05-24-2017
Hi,
thank you. it almost what I need.
In the very last row there should be the second column entry of the last row of the input.
the output should end as

Code:
9.00E-01	A
1.00E+00

# 4  
Old 05-24-2017
Hello f_o_555,

Could you please try following and let me know if this helps you.
Code:
awk 'BEGIN{print "TEXT     A"} {print $1 FS "A"} END{print $2}'   Input_file

Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
f_o_555
# 5  
Old 05-24-2017
Yes, thanks
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