cat file.sql | sql database -uUsername -Ppassword

##</code><code>##

sql database -uUsername -Ppassword <file.sql

##</code><code>##

my $shell_cmd = 'sql database -uUsername -Ppassword <file.sql';
capture_exec_combined('sh', '-c', $shell_cmd)

##</code><code>##

my $shell_cmd = 'sql database -uUsername -Ppassword <file.sql';
capture_exec_combined($shell_cmd)