[SOLVED] Command or script for printing only file names that do NOT contain a specific string in the first line in current catalog

Issue

I'm trying to write script or command that will go through all files in the current catalog and print only those file names that NOT contain lines starting with specific string only in the first line.

Tried this grep -i "echo" * command to fetch all occurrences of the "echo" string but how add to it checking this first line and returning only file names?

Solution

Using GNU grep:

grep -LD skip -d skip -i '^echo' *

-L lists non matching files, -D skip skips device, FIFO and socket files, -d skip skips directories.

Answered By - dan

Answer Checked By - Senaida (WPSolving Volunteer)