doc: interpret-trailers: use input redirection

Use input redirection instead of invoking cat(1) on a single file. This
is more straightforward, saves a process, and often makes the line
shorter.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt
index 4f4eb7a7fc9a600ff33283604e8a841e2edc1180..4ff8be7f2e7d7e30e5a08df82690f421c83f82d5 100644 (file)
--- a/Documentation/git-interpret-trailers.txt
+++ b/Documentation/git-interpret-trailers.txt
@@ -280,7 +280,7 @@ $ cat msg.txt
 subject
 
 message
-$ cat msg.txt | git interpret-trailers --trailer 'sign: Alice <alice@example.com>' --trailer 'sign: Bob <bob@example.com>'
+$ git interpret-trailers --trailer 'sign: Alice <alice@example.com>' --trailer 'sign: Bob <bob@example.com>' <msg.txt
 subject
 
 message