Delete first line of all files in a folder (on ubuntu)

Question

I have a folder that has 2800 .txt files in it and I need to delete the first line of every files. The names of the files are all different except for that fact that they end with .txt .

would it be possible to do that while keeping the same file name (instead of sending the output (file without the first line) to another file)...

Answer 1

something like this does the trick

sed -i '1d' *.txt

where -i is inplace editing

edit: adition

pls try also this

time sed -i '1d' *.txt

and compare with other solutions (just add time before)[trying certainly with some backup files]

Answer 2

You could do a bash script. Something like this:

#!/bin/bash
for filename in *; 
do 
    tail -n +2 "${filename}"
done

The run it from command line: $ <script_file.sh>

Take this with a grain of salt. I'm not actually running on a *nix machine. See here for a variety of ways of deleting the first line of a file. Also note that tail is supposed to be much faster than sed, if performance is important to you.