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 <redacted>
Signed-off-by: Kristoffer Haugsbakk <redacted>
---

Notes (series):
    Junio suggested expanding the commit message:
    https://lore.kernel.org/git/xmqqjzyg7qdw.fsf@gitster.g/ (local)

 Documentation/git-interpret-trailers.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt
index 4f4eb7a7fc..4ff8be7f2e 100644
--- 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

-- 
2.40.1