File System Object

# --- File - Write Data to File ---
# ------------------- Create Export String ----------------------
mytext_var = 'This will be a long string\n'
mytext_var += 'I Will add more to each line '
mytext_var += 'in this vairable to make a paragraph.'

# --- File Object with (w) write process open ---
myfile = open( 'c:/Python/Sample/Sample.txt','w')

# --- File (Over)Writting Process ---
myfile.write(mytext_var)
myfile.close()

# ---------------- File - Display Contents to Screen -------------
file = open('c:/Python/Sample/Sample.txt','r')
for line in file:
print(line)
file.close()

# -------------- Data to write array to the file -----------------
data = [
"\nThis is the first line.",
"This is the second line.",
"Here's the third line of text."
]

# ------------ Function Append (a) file ---------------
def write_to_txt(file_name, data):
with open(file_name, mode='a', encoding='utf-8') as file:
for line in data:
file.write(line + '\n')
print(f"\nData successfully written to {file_name}")

if __name__ == "__main__":
file_name = 'c:/Python/Sample/Sample.txt'
write_to_txt(file_name, data)

# --- File --- Display New Contents to Screen ---
print('\n--- New File Contents ---')
file = open('c:/Python/Sample/Sample.txt','r')
for line in file:
print(line)
file.close()

# --------- Open and Read File and Search for String --------
# --- File open for Read ---
file = open('c:/Python/Sample/Sample.txt','r')
# --- Line Counter
LinePlacement=1
# --- Loop to Read File Line by Line
for line in file:
# --- Conditional to Seach for Char in Line
if('Three' in line):
# --- If Found Write that Line and the Line Number to Screen
print(line)
print(LinePlacement)
# --- Incriment Line Number
LinePlacement+=1
# --- Close File
file.close()

# --------- Open and Read File and Search & Replace String --------
# --- Open File Path
file_path = 'c:/Python/Sample/Sample.txt'

# String to search for and its replacement
search_string = '1'
replacement_string = 'Three'

# Read the file and modify its content
with open(file_path, 'r') as file:
lines = file.readlines()

# Open the file for writing to overwrite with the updated content
with open(file_path, 'w') as file:
for line in lines:
# Replace the string in the line if found
updated_line = line.replace(search_string, replacement_string)
file.write(updated_line)

file.close()