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mtr: force-flush stderr and stdout

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prevents buffering in cases like

  ./mtr | tee log
This commit is contained in:
Sergei Golubchik
2018-02-24 09:32:50 +01:00
parent a04e4f531a
commit e49c1d1cef
1 changed files with 2 additions and 0 deletions
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2
mysql-test/lib/My/Tee.pm
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@@ -1,4 +1,5 @@
package My::Tee; package My::Tee;
use IO::Handle;
# see PerlIO::via # see PerlIO::via
@@ -16,6 +17,7 @@ sub WRITE
{ {
my ($obj, $buf, $fh) = @_; my ($obj, $buf, $fh) = @_;
print $fh $buf; print $fh $buf;
$fh->flush;
print $copyfh $buf; print $copyfh $buf;
return length($buf); return length($buf);
} }