append first line

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# 1  
Old 10-27-2009
append first line

I like to append the first line of a file with some value.


2111111111 23498ljljkj
2222222222 234kjkjs9
2333333333 98234lkjs
2444444444 0923skdfj

i want to append some value eg: 1200910270040625 to the file1.dat how to do this in KSH

I should have the outfile file2.txt

2111111111 23498ljljkj
2222222222 234kjkjs9
2333333333 98234lkjs
2444444444 0923skdfj

# 2  
Old 10-27-2009
echo "1200910270040625" > file2.txt
cat file1.dat >> file2.txt

# 3  
Old 10-27-2009
echo "1200910270040625"| cat - file1.dat > file2.txt

cat - file1.dat <<< "1200910270040625" > file2.txt

{ echo "1200910270040625";cat file1.dat; }>file2.txt

(echo "1200910270040625";cat file1.dat)>file2.txt

Last edited by Scrutinizer; 10-27-2009 at 05:20 PM..
# 4  
Old 10-27-2009
Originally Posted by kshuser
I like to append the first line of a file with some value.
see an example here Ex 2.
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