2017-10-16 23:01:36 Martin Blais <bl...@furius.ca>: > > In order to do that, I would suggest going LO-FI and using sed (or Python), > and working off of the input text directly. > Working off of the parsed input will just cause you headaches. >
I had a few similar use cases with Holger -- renaming a account while
preserving the indentation and whitespace, reformat the payee +
narration field, etc.
I found the fileinput module from Python stdlib extremely useful in
these cases:
with fileinput.input('ledger.bean', inplace=True) as f:
for line in f:
new_line = process_line(line)
print(new_line, end='')
With inplace=True parameter, it's like `sed -i`, but with all the
powerful batteries of Python.
--
Zhuoyun Wei
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