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exigrep: use a pager if stdout is connected to a terminal
[exim.git]
/
src
/
src
/
exigrep.src
diff --git
a/src/src/exigrep.src
b/src/src/exigrep.src
index b678c058472b897b3b44db4a0a436e8a970b5000..abc6f3a31323d1e7d2e7906ee704999818b4ca10 100644
(file)
--- a/
src/src/exigrep.src
+++ b/
src/src/exigrep.src
@@
-220,6
+220,16
@@
pod2usage if not @ARGV;
$pattern = shift @ARGV;
$pattern = quotemeta $pattern if $args{l};
$pattern = shift @ARGV;
$pattern = quotemeta $pattern if $args{l};
+# Start a pager if output goes to a terminal
+if (-t 1)
+ {
+ foreach ($ENV{PAGER}//(), 'less', 'more')
+ {
+ open(my $pager, '|-', $_) or next;
+ select $pager;
+ last;
+ }
+}
# If file arguments are given, open each one and process according as it is
# is compressed or not.
# If file arguments are given, open each one and process according as it is
# is compressed or not.