[bug-diffutils] bug#72274: bug#72274: option to ignore leading white space

[Eric Deplagne]

  diff -w might be your friend.

  $ diff -wus <(printf "ab cd\n") <(printf " ab  cd \n")
  Les fichiers /dev/fd/63 et /dev/fd/62 sont identiques

On 2024-07-24 13:59, Vincent Lefevre wrote:
> There should be an option to ignore leading white space, like
> there is one for trailing white space, and it should probably
> be integrated in the -b option.
>
> Basically, I'd like to be able to get only lines that differ by words.
>
> Currently:
>
> cventin:~> diff -bu <(printf "ab cd\n") <(printf " ab  cd \n")
> --- /proc/self/fd/11    2024-07-24 13:58:43.515131625 +0200
> +++ /proc/self/fd/14    2024-07-24 13:58:43.515131625 +0200
> @@ -1 +1 @@
> -ab cd
> + ab  cd

--
  Eric Deplagne