https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270452
Bug ID: 270452
Summary: sh: filename completion hides last line
Product: Base System
Version: Unspecified
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
FreeBSD 13.2-STABLE GENERIC amd64
Under specific circumstances, sh(1)'s interactive filename completion fails to
show the last line of possible completions. script(1) shows that the missing
line is written to the terminal, but then cleared and overprinted by the next
prompt. I don't know if the bug is in sh(1) or editline(3).
How to reproduce in a standard 80-column terminal:
Create long filenames:
$ touch abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0
$ touch abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz1
$ touch abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz2
Write a sufficiently long dummy command for the line to wrap and hit TAB to be
offered possible completions:
$ 0123456789012345678901234567890123456789
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz<TAB>
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz1
$ 0123456789012345678901234567890123456789
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz
After the list of completions is displayed, the prompt with the incomplete
command is shown again. Note that list of possible completions lacks the final
*2 file.
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