2026-05-13

TIL: you can use `tail` to `cat` multiple files together with a filename header for each. The enchantation: tail -n +1 file1.txt file2.txt file3.txt The output: ==> file1.txt <== <contents of file1.txt> ==> file2.txt <== <contents of file2.txt> ==> file3.txt <== <contents of file3.txt> Source: [SO - Concatenate multiple files but include filename as section…