* [PATCH 4/6] Only invoke pager if there's any output
@ 2005-06-09 11:21 Dan Holmsand
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From: Dan Holmsand @ 2005-06-09 11:21 UTC (permalink / raw)
To: git; +Cc: Petr Baudis
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This avoids annoying empty "less" window if there's no output
from cg-diff, for example.
Signed-off-by: Dan Holmsand <holmsand@gmail.com>
---
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cg-Xlib | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/cg-Xlib b/cg-Xlib
--- a/cg-Xlib
+++ b/cg-Xlib
@@ -22,7 +22,11 @@ usage() {
}
pager () {
- LESS="R$LESS" ${PAGER:-less} $PAGER_FLAGS
+ # Invoke $PAGER if there is any output
+ local line
+ if read -r line; then
+ ( echo "$line"; cat ) | LESS="-R $LESS" ${PAGER:-less}
+ fi
}
mktemp () {
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2005-06-09 11:21 [PATCH 4/6] Only invoke pager if there's any output Dan Holmsand
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