delete records using line number(NR)

UNIX for Advanced & Expert Users
1

Hai

    I have a flat file which contains more than 6 crore lines or records. I want to delete only one line, using line number. For example I want to delete 414556 th line . How to do this using sed or awk command.

thanks

2

sed -n '414556!p' input.txt

3 
sed 414556d file>_file_&&mv _file_ file

GNU sed:

sed -i 414556d file
4

thank u.The script is working