ping with timestamp

• Text graphing ping output filter

  Nasty perl one-liner that provides a sparkline of ping times. If you want a different history than the last 30, just put that value in. It (ab)uses unicode to draw the bars, inspired by https://github.com/joemiller/spark-ping . It's not the most bug-free piece of code, but what it lacks in robustness it makes up for in capability. :) If anyone has any ideas on how to make it more compact or better, I'd love to hear them. I included a ping to google in the command just as an example (and burned up 10 chars doing it!). You should use it with: $ ping example.com | $SPARKLINE_PING_COMMAND Show Sample Output

  This is sample output - yours may be different.

  bgrantham$ ping g.co|perl -ne'$|=/e=(\S+)/||next;(push@_,$1)>30&&shift@_;print"\r",(map{"\xe2\x96".chr(128+7*$_/(sort{$b<=>$a}@_)[0])." "}@_),"$1ms"'
  &#9604; &#9606; &#9605; &#9606; &#9605; &#9606; &#9605; &#9605; &#9605; &#9605; &#9605; &#9605; &#9605; &#9605; &#9605; &#9605; &#9604; &#9605; &#9605; &#9605; &#9606; &#9605; &#9604; &#9604; &#9606; &#9605; &#9607; &#9605; &#9605; &#9605; 87.458ms^C
  bgrantham$

  
  

  2
  ping g.co|perl -ne'$|=/e=(\S+)/||next;(push@_,$1)>30&&shift@_;print"\r",(map{"\xe2\x96".chr(128+7*$_/(sort{$b<=>$a}@_)[0])." "}@_),"$1ms"'
  bartgrantham · 2012-07-06 22:42:06 0
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• Touch a file using a timestamp embedded in the file name.

  tstouch takes two arguments: a filename containing a timestamp, and an extended regular expression with the parenthesized section matching a timestamp of the form YYYYMMDDhhmm or YYYYMMDDhhmm.ss. It then touches the file with that timestamp. Show Sample Output

  This is sample output - yours may be different.

  $ touch foo201309012305.zip; ls -l foo201309012305.zip
  -rw-r--r-- 1 bartonski bartonski 0 Oct  1 15:50 foo201309012305.zip
  
  $ tstouch foo201309012305.zip 'foo([0-9]{12}).zip'; ls -l foo201309012305.zip
  -rw-r--r-- 1 bartonsk bartonsk 0 Sep  1 23:05 foo201309012305.zip
  

  
  

  2
  tstouch() { [[ $1 =~ $2 ]] && touch -t ${BASH_REMATCH[1]} $1; }
  bartonski · 2013-10-01 20:00:34 0
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• multimedia ping

  If you're very busy and don't want to wait for a ping response, use it. This command will be waiting for a successful ping response, to play a sound file to warn you that the target host is available.

  This is sample output - yours may be different.

  
  

  0
  continuar=true; while $continuar; do if ping -c 3 [target_IP_address] 2>&1> /dev/null ; then mplayer [sound_file]; continuar=false; break; fi; done
  mack · 2011-04-25 21:44:05 4
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• Ping sweep without NMAP

  This version combines the best of the other suggestions and adds these features: 1. It scans a /16 subnet 2. It is very fast by running the ping commands in the background, running them in parallel. 3. Does not use the "-W" option as that's not available in older ping versions (I needed this for OS X 10.5)

  This is sample output - yours may be different.

  
  

  0
  prefix="169.254" && for i in {0..254}; do echo $prefix.$i/8; for j in {1..254}; do sh -c "ping -m 1 -c 1 -t 1 $prefix.$i.$j | grep \"icmp\" &" ; done; done
  tempelorg · 2012-07-25 12:07:15 0
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