There is an upper limit to the number of characters that can be read.

[shibababa]

My SRT file is 132kb, but the output file after "fixed-timeshift" is 127kb and the last 5kb of characters are missing.
I don't think I can use this tool and am using the datetime module to create and use my own python script.

The script I created has no limit on the number of characters that can be read and is time modifiable.
I don't understand why such a problem occurs.

[cdown]

Hi! Please provide the input SRT file. Most likely your SRT file is invalid and has had part of it ignored.

[cdown]

This test works just fine with a 44 megabyte file, so I'm pretty certain the problem is in your input file:

% let idx=1; for from in {1..999}; do for to in {1..999}; do printf '%d\n00:00:00,%03d --> 00:00:01,%03d\n%s\n\n' "$(( idx++ ))" "$from" "$to" content; done; done > /tmp/i.srt
% srt normalise -i /tmp/i.srt -o /tmp/o.srt
% du -sh /tmp/i.srt /tmp/o.srt
44M	/tmp/i.srt
44M	/tmp/o.srt
% md5sum /tmp/i.srt /tmp/o.srt 
323e89abf8a8da6d98ca2c90aaca3286  /tmp/i.srt
323e89abf8a8da6d98ca2c90aaca3286  /tmp/o.srt

[cdown]

No repro and no further information in 3 days, closing.