jveillet / go-cat Goto Github PK

Add the possibility to use the -s option to remove empty lines

-s, --squeeze-blank      suppress repeated empty output lines
``

In cmd/root.go, write a unit test for the readFile func.

Add the possibility to use the -e option to display the "$" character at the end of each line.

-E, --show-ends          display $ at end of each line

Add the possibility to use the -b option to display numbers on non empty lines (overrides option -n).

-b, --number-nonblank    number nonempty output lines, overrides -n
``

Similar to the Linux cat command, add the "-" argument or "empty" argument to read from STDIN.

As the doc states:

cat --help
Usage: cat [OPTION]... [FILE]...
Concatenate FILE(s) to standard output.

With no FILE, or when FILE is -, read standard input.