sed '/^[HS]/ d' command will delete all the lines from a file which starts with 'H' or 'S'. But I want to delete all the lines that start with 'H' or 'SLSC' . Can anyone please let me know how to do it?

Thanks.

You can combine different expressions in one sed command. Check your man pages for the exact syntax. In Linux e.g. for a command with several expressions every expression has to be preceded by the -e flag.

Regards

Thanks.
I cant get it to work. My actual purpose is different. I want to copy all the lines starting with 'H' or 'SLSC' to a new file.

if it is 'H' or 'S', sed '/^[HS]/ !d' file1 > file2 will do.
but i dont know how to do 'H' and 'SLSC' together. I dont want 'S' alone .
I want to copy all the lines starting with 'H' or 'SLSC' to the second file.

In that case forget my previous example and try:This works in Linux and AIX and probably in all the other flavours...

Regards

Thanks. It works.

Hi .. just to add on this ..

i need to find a word example:coys111 once this string is found .. need to delete the lines which are 5 lines above and 4 lines which are below !!!

Can anyone help me on this >>>