blob: 3bdb2ddfbec3a5a94643a9d6eb553c004d449907 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#!/bin/python3
# --------- REVERSE Insertion Sort Algorithm
# Implementation of algorithm in python
# --------- Imported modules
import inputoutput as io
import csv
import sys
# ingressing data through cli arguments and imported modules
target = sys.argv[1]
numdata = io.ingressCSV(target)
# insertion sort algorithm, as function
def insertionSort(data):
for i in range(1, len(data)):
# setting the key to the current entry in row
key = data[i]
#
j = i - 1
# left comparison FIXME: flipped key < data[j]
while j >= 0 and key > data[j]:
data[j + 1] = data[j]
j = j - 1
# move key after element smaller than it
data[j + 1] = key
# sorting call
insertionSort(numdata)
# wrapping up and appending "-insertionsorted" to CSV
target = target[:-4]+"-REV-insertionsorted"+target[-4:]
print("Sorting done! Writing to file.")
io.egressCSV(numdata,target)
|
