timediff is asimplecommand-lineutility thatreads textprefixed with atimestamp, andprints the timedifferencebetween oneline and thenext. It wascreated for usein industrialautomationenvironments toinvestigatewhich processsteps areslowest ordetect abnormaldelays.
pv ("PipeViewer"),aterminal-basedtool formonitoring theprogress ofdata through apipeline. Itcan be insertedinto any normalpipelinebetween twoprocesses togive a visualindication ofhow quicklydata is passingthrough, howlong it hastaken, how nearto completionit is, and anestimate of howlong it will beuntilcompletion.
mlbfilt canfilter one ormore multi-linetext blocksfrom the outputof a command orfile. It can beconvenientlyused either asan error filteror to matchcomplexmulti-linesequences. mlbfilt isgeared towardsusage withininteractiveshell sessionsby handlingcolorizedoutputsensibly,flushing assoon aspossible andbeing able tohandle multiplelarge patternsefficiently.
Justniffer is araw TCP networktrafficanalyzer. Itcaptures, logsandreconstructsapplicationprotocol datato emulate webserver logfiles. It canfullyintrospect HTTPand itstransferredpayloads, alsoworks on LDAP,SMTP and SIPfrom itscapture dumps.
tcpdump forwindows iseverything youneed to run"tcpdump"on MicrosoftWindows in asingle portableexecutable. The"-i"option has beenmodified tosupport IPaddresses inaddition tointerfacenames. The IPaddress can bea local addressor a remoteone.