Schnippets

#
#http://codeblog.dhananjaynene.com/2011/06/10-python-one-liners-to-impress-your-friends/
#
print map(lambda x: x * 2, range(1,11))

# Sieve of Eratosthenes
n = 50 # We want to find prime numbers between 2 and 50
print sorted(set(range(2,n+1)).difference(set((p * f) for p in range(2,int(n**0.5) + 2) for f in range(2,(n/p)+1))))

# output nat gw ids and their private ips sorted by ip
#
$ aws2 ec2 describe-nat-gateways \
      --query 'sort_by(NatGateways, &NatGatewayAddresses[0].PrivateIp)[*].{GW:NatGatewayId,PrivateIP:NatGatewayAddresses[0].PrivateIp}' \
      --output table
--------------------------------------------
|            DescribeNatGateways           |
+------------------------+-----------------+
|           GW           |    PrivateIP    |
+------------------------+-----------------+
|  nat-xxxxxxxxxxx464b40 |  10.0.4.41      |
|  nat-xxxxxxxxxxx4efa7a |  10.41.0.176    |
...
...
|  nat-xxxxxxxxxxxf9e176 |  172.25.24.239  |
|  nat-xxxxxxxxxxx0ce409 |  172.31.1.212   |
+------------------------+-----------------+

# what is the last nat gw created?
$ aws2 ec2 describe-nat-gateways \
    --query 'sort_by(NatGateways, &CreateTime)[-1].{GW:NatGatewayId,PrivateIP:NatGatewayAddresses[0].PrivateIp,Created:CreateTime}' \
    --output table
-----------------------------------------------------------------------
|                         DescribeNatGateways                         |
+----------------------------+-------------------------+--------------+
|           Created          |           GW            |  PrivateIP   |
+----------------------------+-------------------------+--------------+
|  2020-08-24T13:23:05+00:00 |  nat-xxxxxxxxxxx3ac2cb  |  10.65.1.105 |
+----------------------------+-------------------------+--------------+

# convert to mp4
mkdir -p mp4
mkdir -p completed
for file in $@; do
    extension="${file##*.}"
    filename="${file%.*}"
    avconv -i ${file} -c:v libx264 -c:a copy mp4/${filename}.mp4
    mv ${file} completed/
done

# fix dangling symlinks
cd ~/bin; find . -xtype l | sed 's/\.\///' | xargs -i find /path/to/files/in/revisioncontrol -name {} | xargs -i ln -fs {} .

# sort files by last modified date
find . -type f -printf '%T@' -ls | sort | tail -n

Sub highlight
    Dim oActiveCell
    oActiveCell = ThisComponent.CurrentSelection
    oActiveCell.CellBackColor = 16777113
End Sub

input {
  couchdb_changes {
      db => "media"
      host => "192.168.0.70"
      port => 5984
      codec => "json"
      username => "rdd"
      password => "rdd1qaz2wsx"
      initial_sequence => 0 #this is only required for the an initial indexing
      #keep_revision=>true
  }
}

output {
  elasticsearch{
      #action => "%{[@metadata][action]}"
      action =>"index"
      document_id => "%{[@metadata][_id]}"
      hosts => "192.168.0.70:9200"
      #index => "monitor-%{+YYYY.MM.dd}"
      index => "media"
      document_type => "doc"
    }

  if [@metadata][action] == "delete" {
    elasticsearch{
      action => "%{[@metadata][action]}"
      #action =>"index"
      document_id => "%{[@metadata][_id]}"
      hosts => "192.168.0.70:9200"
      #index => "monitor-%{+YYYY.MM.dd}"
      index => "media"
      document_type => "doc"
    }
  }

    #stdout {} #enable this option for debugging purpose
}