Ian Kelly wrote:
On Mon, Jun 6, 2011 at 10:08 AM, Neil Cerutti <ne...@norwich.edu> wrote:
import re
print("re solution")
with open("data.txt") as f:
for line in f:
fixed = re.sub(r"(TABLE='\S+)\s+'", r"\1'", line)
print(fixed, end='')
print("non-re solution")
with open("data.txt") as f:
for line in f:
i = line.find("TABLE='")
if i != -1:
begin = line.index("'", i) + 1
end = line.index("'", begin)
field = line[begin: end].rstrip()
print(line[:i] + line[i:begin] + field + line[end:], end='')
else:
print(line, end='')
print("non-re solution")
with open("data.txt") as f:
for line in f:
try:
start = line.index("TABLE='") + 7
end = line.index("'", start)
except ValueError:
pass
else:
line = line[:start] + line[start:end].rstrip() + line[end:]
print(line, end='')
I like the readability of this version, but isn't generating an
exception on every other line going to kill performance?
~Ethan~
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