Entradas

Mostrando entradas de 2017

WordCount

Count word using Hadoop package com.ciocomit.count; import java.io.IOException; import java.util.StringTokenizer; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.Job; import org.apache.hadoop.mapreduce.Mapper; import org.apache.hadoop.mapreduce.Reducer; import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; import org.apache.hadoop.mapreduce.lib.input.TextInputFormat; import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat; public class WordCount {     public static class Map extends Mapper {         public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {             String line = value.toString();             StringTokenizer tokenizer = new StringTokenizer(line);            

AWK: n lines before, m lines after

awk 'c-->0; $0~s{if(b)for(c=b+1;c>1;c--)print r[(NR-c+1)%b];print;c=a}b{r[NR%b]=$0}' b=3 a=5 s="cadenita" short.txt

Git Merge

git granch                        # local branches git branch -r                   # remote branches git branch -a                   # local and remote branches git status                         # current branch status git checkout develop      # go to "develop" branch git checkout hotfix/tk_01_inv     # go to "hotfix/tk_01_inv" branch git pull    # download the remote changes into current branch git add .    # save all changes git commit -m 'some comment'    # commit into local branch git push      # public my local changes into remote git repository git merge : "develop" branch gets changes from "hotfix/tk_01_inv" branch git branch -a     # local and remote branches git status git checkout hotfix/tk_01_inv   # branch with new changes git pull gi push git checkout develop git pull git status git merge --no-ff hotfix/tk_01_inv git status git push

Unix shell scripting: Full Log

Creating of a Shell Scripting full log. #!/bin/bash -x export Me=`basename $0 .sh` { export current_date=`date "+%Y-%m-%d_%H%M%S"` # echo "Me: $Me" echo "Current Date: $current_date" echo -e "Successful Job. \n\n\n" exit 0 } > ${Me}".log1" 2> ${Me}".log2" Results full_log.log1 Me: full_log Current Date: 2017-05-14_200038 Successful Job. full_log.log2 ++ date +%Y-%m-%d_%H%M%S + export current_date=2017-05-14_200038 + current_date=2017-05-14_200038 + echo 'Me: full_log' + echo 'Current Date: 2017-05-14_200038' + echo -e 'Successful Job. \n\n\n' + exit 0