On 6/25/2025 3:03 PM, Brian Inglis via Cygwin wrote:
On 2025-06-24 19:46, Eliot Moss via Cygwin wrote:
The following used to work, but now does not:
diff -q --to-file=old foo.tex bar.tex
where old is a sub-directory of the current directory.
This always reports:
diff: old: No such file or directory
It's ok when only one file is listed:
diff -q --to-file=old foo.tex
Do you have entries ./old/{foo,bar}.tex, do each differ from respective
./{foo,bar}.tex, and are there any other entries or directories under ./old/?
I tried with and without. It complains (obviously :-) ) if one of the .tex
files
does not actually exist, but that's distinct from complaining about old, which
*does*
exist.
Are there are any file name case differences or symlinks in paths?
No case differences, no symlinks.
It is often more useful to ls -l (-gG) and diff (-q) actual directories
./{,old/} so we can see all relevant information (maybe sanitize info if
necessary).
ls -lG old ==>
-rwxrw----+ 1 moss 13811 Jun 24 19:02 arch.tex
-rwxrw----+ 1 moss 35714 Jun 24 19:02 background.tex
-rwxrw----+ 1 moss 6847 Jun 24 19:02 intro.tex
-rwxrw----+ 1 moss 9124 Jun 24 19:03 progress.tex
-rwxrw----+ 1 moss 15858 Jun 23 22:31 proposal.bib
-rwxrw----+ 1 moss 13703 Jun 24 19:03 proposal.tex
-rwxrw----+ 1 moss 12836 Jun 24 19:02 proposed.tex
-rwxrw----+ 1 moss 6541 Jun 24 19:02 timeline.tex
ls -lG ./*.tex ==>
-rwxrw----+ 1 moss 13811 Jun 24 19:02 ./arch.tex
-rwxrw----+ 1 moss 35714 Jun 24 19:02 ./background.tex
-rwxrw----+ 1 moss 6847 Jun 24 19:02 ./intro.tex
-rwxrw----+ 1 moss 9124 Jun 24 19:03 ./progress.tex
-rwxrw----+ 1 moss 13703 Jun 24 19:03 ./proposal.tex
-rwxrw----+ 1 moss 12836 Jun 24 19:02 ./proposed.tex
-rwxrw----+ 1 moss 6541 Jun 24 19:02 ./timeline.tex
ls -lGd . old ==>
drwxrwx---+ 1 moss 0 Jun 24 21:32 .
drwxrwx---+ 1 moss 0 Jun 24 21:32 old
Any reason why you chose --to-file option for your old directory rather than
the more conventional --from-file option?
Not really. --from-file gives the same error. Near as I can tell it is always
failing
when --to-file/--from-file is a directory and there is a list of more than one
file.
If you could check whether the issue appeared in 3.11 and worked okay in 3.10 or point to the failing version that would
be useful.
Ok, I'll try older versions of the diff package and try to narrow when the
behavior changed.
Thanks! Eliot
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