Append text at end of the first line in a file

catgovind · #1 (**permalink**) 05-01-2008

Hi

I need to append some text @ end of the first line in a file.
like
myfile.txt
list = a,b,c
list.a=some..

I give the arg "d" . now it append at end of first line
list=a,b,c,d
list.a=some...

Please help me out this

matrixmadhan · #2 (**permalink**) 05-01-2008

Code:

awk ' NR == 1 { print $0,"sometext" } else { print }' filename

catgovind · #3 (**permalink**) 05-01-2008

Hi madhan

Thanks , when i did this.It will print on the console.But what i need is it changed on the fie.

Franklin52 · #4 (**permalink**) 05-01-2008

Quote:

Originally Posted by catgovind

Hi madhan

Thanks , when i did this.It will print on the console.But what i need is it changed on the fie.

This is the same question you've asked here:

Removing specific lines

Regards

matrixmadhan · #5 (**permalink**) 05-01-2008

As said by Frank

use a temporary file and rename it

or do an in-place edit using sed

catgovind · #6 (**permalink**) 05-01-2008

Hi Madhan

Thanks for the help
I found the soln

awk '{if(NR==1){print $0,"sometext"}else{print }}' output_filename > somu

matrixmadhan · #7 (**permalink**) 05-01-2008

Quote:

Originally Posted by catgovind

Hi Madhan

Thanks for the help
I found the soln

awk '{if(NR==1){print $0,"sometext"}else{print }}' output_filename > somu

My bad

It ran off like that.

Thanks for correcting it

after you redirect; rename it

Code:

mv somu output_filename

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