ftp -o - https://jcs.org/move_in | sh -
bin/progress: add utility to show progress of something reading a file
Evolved from https://twitter.com/jcs/status/1384703784899825665
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bin/progress
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bin/progress
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#!/usr/bin/env ruby
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#
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# $ progress dump.sql.gz
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# gzip (68010): 56.13%, 27m52s left (1804580 bytes/sec)
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#
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if !(file = ARGV[0])
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puts "usage: #{$0} <file>"
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exit 1
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end
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diffs = []
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last_off = -1
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loop do
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fs = `fstat -o #{file}`.split("\n")
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if fs.count == 1
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puts "nothing has #{file} open"
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exit 1
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end
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fields = fs.last.split(" ")
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cmd = fields[1]
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pid = fields[2]
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size, off = fields[8].split(":")
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if off == "*"
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puts "no access to read status of pid #{pid}"
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exit 1
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end
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off = off.to_i
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if last_off > -1
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diffs.push (off - last_off)
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if diffs.count == 10
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diffs.shift
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end
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end
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last_off = off
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if diffs.any?
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avg = diffs.sum / diffs.count.to_f
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secs = ((size.to_i - off.to_i) / avg.to_f).floor
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rem = ""
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if secs > (60 * 60)
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h = (secs / (60 * 60).to_f).floor
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rem = "#{sprintf("%02d", h)}h"
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secs -= (h * 60 * 60)
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end
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if secs > 60 || rem.length > 0
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m = (secs / 60.0).floor
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rem += "#{sprintf("%02d", m)}m"
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secs -= (m * 60)
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end
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rem += "#{sprintf("%02d", secs)}s left"
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else
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avg = 0
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rem = "-"
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end
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perc = sprintf("%0.2f%%", (off / size.to_f) * 100.0)
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print "\r\e[K#{cmd} (#{pid}): #{perc}, #{rem} (#{avg.floor} bytes/sec)"
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sleep 1
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rescue Interrupt
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puts ""
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exit
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end