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POHow do I display progress bars from a shell command over ssh
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  1. POHow do I display progress bars from a shell command over ssh
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    copied!<p>I've got a script thats supposed to mimic ffmpeg on my local machine, by sending the command of to a remote machine, running it there and then returning the results. (see <a href="https://stackoverflow.com/questions/871296/how-do-i-use-ffmpeg-on-a-remote-machine-via-ssh">previous <em>stack<strong>overflow</em></strong> question.</a>)</p> <pre><code>#!/usr/bin/env ruby require 'rubygems' require 'net/ssh' require 'net/sftp' require 'highline/import' file = ARGV[ ARGV.index( '-i' ) + 1] if ARGV.include?( '-i' ) puts 'No input file specified' unless file; host = "10.0.0.10" user = "user" prod = "new-#{file}" # product filename (call it &lt;file&gt;-new) rpath = "/home/#{user}/.rffmpeg" # remote computer operating directory rfile = "#{rpath}/#{file}" # remote filename rprod = "#{rpath}/#{prod}" # remote product cmd = "ffmpeg -i #{rfile} #{rprod}"# remote command, constructed pass = ask("Password: ") { |q| q.echo = false } # password from stdin Net::SSH.start(host, user ) do |ssh| ssh.sftp.connect do |sftp| # upload local 'file' to remote 'rfile' sftp.upload!(file, rfile) # run remote command 'cmd' to produce 'rprod' ssh.exec!(cmd) # download remote 'rprod' to local 'prod' sftp.download!(rprod, prod) end end </code></pre> <hr> <p><strong>now my problem is at</strong></p> <pre><code>ssh.exec!(cmd) </code></pre> <p>I want to display the cmd's output to the local user in <strong>real-time</strong>. But making it</p> <pre><code>puts ssh.exec!(cmd) </code></pre> <p>I only get the resulting output after the command has finished running. How would I have to change the code to make this work?</p>
 

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