To find and replace string in a text.

Python-vs-Bash.md

String operations comparison in Python and Bash

String-Replace.py

# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility

import re

regex = r"SSLProxyEngine On"

test_str = ("areazr\n"
	"azraer\n\n\n"
	"sdvzer\n"
	"zaeraze\n"
	"SSLProxyEngine On\n"
	"erztaefdaet\n\n"
	"SSLProxyEngine On\n\n"
	"erztarazed\n"
	"azfazerf\n\n"
	"eazeazrerezt\n")

matches = re.search(regex, test_str, re.MULTILINE)

if matches:
    print ("Correspondance trouvée à la position {start}-{end}: {match}".format(start = matches.start(), end = matches.end(), match = matches.group()))
    
    for groupNum in range(0, len(matches.groups())):
        groupNum = groupNum + 1
        
        print ("Groupe {groupNum} trouvé à {start}-{end}: {group}".format(groupNum = groupNum, start = matches.start(groupNum), end = matches.end(groupNum), group = matches.group(groupNum)))

# Note : pour assurer la compatibilité avec Python 2.7, utiliser ur"" comme préfixe d'expression régulière, et u"" comme préfixe de chaîne de test et de substitution.

String-Replace.sh

#!/bin/bash
python
filetosearch = '/home/adrien/Documents/FILA2/Projets/BASH/away/toto.txt'
texttoreplace = 'SSLProxyEngine On'
texttoinsert = 
"""
SSLProxyEngine On
Fatoumata 
Fatoumati
"""

s = open(filetosearch).read()
s = s.replace(texttoreplace, texttoinsert)
f = open(filetosearch, 'w')
f.write(s)
f.close()
quit()