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Full Discussion: Adding character and append last element of second column
Top Forums Shell Programming and Scripting Adding character and append last element of second column Post 302998009 by f_o_555 on Wednesday 24th of May 2017 08:18:54 AM
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
 

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LEARN ABOUT MOJAVE

colrm

COLRM(1)						    BSD General Commands Manual 						  COLRM(1)

NAME

     colrm -- remove columns from a file

SYNOPSIS

     colrm [start [stop]]

DESCRIPTION

     The colrm utility removes selected columns from the lines of a file.  A column is defined as a single character in a line.  Input is read
     from the standard input.  Output is written to the standard output.

     If only the start column is specified, columns numbered less than the start column will be written.  If both start and stop columns are spec-
     ified, columns numbered less than the start column or greater than the stop column will be written.  Column numbering starts with one, not
     zero.

     Tab characters increment the column count to the next multiple of eight.  Backspace characters decrement the column count by one.

ENVIRONMENT

     The LANG, LC_ALL and LC_CTYPE environment variables affect the execution of colrm as described in environ(7).

EXIT STATUS

     The colrm utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     awk(1), column(1), cut(1), paste(1)

HISTORY

     The colrm command appeared in 3.0BSD.

BSD
								  August 4, 2004							       BSD
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