What might be easier (and more readable) is if each line has a fixed
length from the beginning, you can match perhaps a little more clearly by doing something like s/^(.{23}) (\d),/\1 0\2/
No, due to great sloppiness in the original data (and two sources), the line lengths vary considerably, with/without commas in a few places, variable multi-space sequences, etc.
Hartmut W Sager - Tel +1-204-339-8331
On Sat, 4 Jan 2020 at 10:58, Mark Campbell nitrodist@gmail.com wrote:
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