A simple example of Mapreduce by shellscript, awk, python.
Main procedure controlled by shellscript, mapper by awk, merge and reduce by python.
For own study purpose.
Format of input file and output: name height
Procedure:
python create_data.py name_number height_low_bound height_upper_bound > inputfile
sh main.sh inputfile map_num
python merge.py map_num
python reduce.py map_num
Input:
ytjyu 180
kpzbd 170
llohk 170
bhiil 180
blzzz 167
kvyrq 177
qrtce 168
wpnou 174
xmnpm 167
usxem 174
Output:
blzzz 167
xmnpm 167
qrtce 168
kpzbd 170
llohk 170
usxem 174
wpnou 174
kvyrq 177
bhiil 180
ytjyu 180