LinuxQuestions.org - [SOLVED] How to concatanate two files

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vj776

10-06-2013 10:46 AM

How to concatanate two files

Hi i have just started learning Linux.
Please help me by answering below question

file1

ABCDEF
GHIJKLM
NOPQRST
UVWXYZ

file2
12345
6789

i want to have file3 as

ABCDEF
GHIJKLM
12345
6789
NOPQRST
UVWXYZ
Regards
Vijay

colucix

10-06-2013 11:03 AM

Do you want to insert the content of file 2 after the second line of file 1? Here are three solutions using sed, awk and pure bash respectively:

Code:

sed '2rfile2' file1

Code:

awk '!(NR % 3){while ( getline line < "file2" ) print line}1' file1

Code:

while read line

do

  echo "$line"

  if [[ $((++c)) -eq 2 ]]

  then

    cat file2

  fi

done < file1

Hope this helps.

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