thx a lot Slava, it works! lastly, does the pipe_out does not 'store' data in RAM - and streams straight to disk? like collecting response from 'capture' in an array? rgds, Rajeev
________________________________ From: Salvador Fandino <sfand...@yahoo.com> To: Rajeev Prasad <rp.ne...@yahoo.com> Cc: perl list <beginners@perl.org> Sent: Monday, December 17, 2012 11:15 AM Subject: Re: Net::Openssh not fetching data On 12/17/2012 05:21 PM, Rajeev Prasad wrote: > > the following is _i think_ timing out. when it is run from within my script > > > ( @cmdresult, $cmderr ) = $ssh->capture($CMD); > > > where $CMD is: egrep "data_to_grep" *.data_file.txt > > the output is about 300Mb of data. > > further, the command when run on the remote system directly (after logging > in), takes only about 30 seconds. > > also, when we run from my localhost (bash shell) ssh "$CMD" > local.file.save > it completes within 2 minutes... > > please advice. > > ty. > Rajeev > 300MB of data may be too much for capturing and unless you are very carefully you will end with an script requiring several GBs of memory to run. Try saving the output to a file and process it afterwards line by line, or use Net::OpenSSH pipe_in method to read and process the data on the fly without storing it all in memory at once.
