WikiSysop: Created page with "== Numbering and printing a chunk of file ==

 print("Numbers and prints a section of a file.") filename = input("Filename: ") fromline = int(input("From line: ")) toline   = int(input("To line: "))  with open(filename, "r") as infile:     # keep track of the line number     linenumber = 0     # iterate over the lines in the file     for line in infile:         linenumber += 1         # went past the required last line         if linenumber > toline:             pas..."

2024-03-01T15:33:12Z

Created page with "== Numbering and printing a chunk of file == <pre> print("Numbers and prints a section of a file.") filename = input("Filename: ") fromline = int(input("From line: ")) toline = int(input("To line: ")) with open(filename, "r") as infile: # keep track of the line number linenumber = 0 # iterate over the lines in the file for line in infile: linenumber += 1 # went past the required last line if linenumber > toline: pas..."

New page

== Numbering and printing a chunk of file ==

<pre>
print("Numbers and prints a section of a file.")
filename = input("Filename: ")
fromline = int(input("From line: "))
toline = int(input("To line: "))

with open(filename, "r") as infile:
# keep track of the line number
linenumber = 0
# iterate over the lines in the file
for line in infile:
linenumber += 1
# went past the required last line
if linenumber > toline:
pass
# reached the line we want to print from
elif linenumber >= fromline:
print(linenumber, "\t", line, sep='', end = '')
</pre>

Example code - File Reading - Revision history