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I have some commands set up that run the test under my current cursor position. using the command rails test <filename>:<linenumber>. I execute this command through exec '!rails test %:'.line('.') which works fine in most situations. However, for some reason when the line number starts with an 8 it behaves weirdly.

when testing with the command :exec '!echo "%:'.line('.').'"' i get the following outputs

line  7 -> test.txt:7
line  8 -> test.txt
line  9 -> test.txt:9
line 79 -> test.txt:79
line 80 -> test.txt0
line 89 -> test.txt9
line 90 -> test.txt:90

Even when hardcoding the number in the command it behaves similarly

!echo "%:80" results in test.txt0 Hardcoding the filename does get the correct result though !echo "test.txt:80" -> test.txt:80

This pattern repeats for the 800s as well. Am i missing something obvious?

I tried running the same test in vim --clean to make sure there weren't any plugins messing with me but it has the same behavior

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  • 6
    Am I missing something obvious? :h filename-modifiers
    – Matt
    Jul 28, 2022 at 20:30
  • Thanks @Matt, i was missing something obvious
    – Enermis
    Jul 28, 2022 at 21:10

1 Answer 1

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What I would propose is:

:exec '!echo "' . expand(%) . ':' . line('.') . '"'

What @Matt highlight is that:

expand('%:8')

Returns the 8.3 version of the current filename.

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