/media/sda-magnetic/david/david2/david2/bash/2022-09-17/catall.sh

#!/bin/bash 

l=$(ls)

for s in $l 
do
    if [ "$s" != "outall.txt" ]
    then
        echo "##########################" >> outall.txt
        echo "### file $s" >> outall.txt
        echo "##########################" >> outall.txt
        cat "$s" >> outall.txt
    fi
done