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Generate an XKCD #936 style 4 word passphrase (fast)
This restricts things 3 ways: 1. No capitalized words, hence no proper names. 2. No apostrophes. 3. Restricts size to range (3,7)

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Yet Another Large Screen Clock

Join the content of a bash array with commas
$ DOCKER_APP_VARS=(DATABASE_USER=dbuserro, DATABASE_PASSWORD=maipass) [jeff@omniscience container] (master)$ echo docker run $(printf -- " -e %s" ${DOCKER_APP_VARS[*]}) -name 12factorapp mattdm/fedora-small docker run -e DATABASE_USER=dbuserro, -e DATABASE_PASSWORD=maipass -name 12factorapp mattdm/fedora-small Note that the printf method by itsself doesn't include a newline (\n), so you'll need to embed it into an echo statement or something that does.

Sort the size usage of a directory tree by gigabytes, kilobytes, megabytes, then bytes.
Probably only works with GNU du and modern perls.

Alternative size (human readable) of files and directories (biggest last)

small CPU benchmark with PI, bc and time.
$ # 4 cores with 2500 pi digits $ CPUBENCH 4 2500 $. $ every core will use 100% cpu and you can see how fast they calculate it. $ if you do 50000 digitits and more it can take hours or days

Rename files in batch

Sprunge.us - CLI alternative to PasteBin.com
NAME sprunge: command line pastebin: SYNOPSIS | curl -F 'sprunge=

Ruby - nslookup against a list of IP`s or FQDN`s
This version uses host and no ruby.


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