Combine multiple text files into one file
Solution 1:
To have empty lines betwen files:
cat file1 newline file2 newline file3 > newfile
Where 'newline' is file with empty line.
Solution 2:
You can use the AWK utility:
awk 'FNR==1{print ""}{print}' *files > newfile
Source: https://stackoverflow.com/questions/1653063/how-do-i-include-a-blank-line-between-files-im-concatenating-with-cat
Solution 3:
for file in *.txt; do (cat "${file}"; echo) >> concatenated.txt; done
The above will append the contents of eacb txt file into concatenated.txt adding a new line between them.