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CREATE or REPLACE FUNCTION switch.df() RETURNS text AS $BODY$
use warnings;
use strict;
my $output = `df -h|awk '/\/pg/ {print \$4}'`;
return($output);
$BODY$
language 'plperlu' volatile cost 100;
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CREATE or REPLACE FUNCTION switch.df() RETURNS text AS $BODY$
use warnings;
use strict;
my $output = `df -h|awk '/\/pg/ {print \$4}'`;
return($output);
$BODY$
language 'plperlu' volatile cost 100;
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mon5g-logger:/usr/local/ky4k0b# df -h|awk '/\/pg/ {print $4}'
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WARNING: Use of uninitialized value $4 in concatenation (.) or string at line 4.
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WARNING: Use of uninitialized value $4 in concatenation (.) or string at line 4.
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