Recipe: Concatenate with cat


cat
===
$ cat file1 file2 file3 ..
# Provides concatenation of many files provided in argument as output


$ echo 'Text through stdin' | cat - file
# - acts as filename for stdin text

Squeeze blank
=============
$ cat -s file

$ cat file | tr -s '\n'

Display tab
===========
$ cat -T file.py

Line numbers
============
$ cat -n file.txt



