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[bug #50780] -type option after printf is ignored
From: |
Eric Blake |
Subject: |
[bug #50780] -type option after printf is ignored |
Date: |
Mon, 10 Apr 2017 14:01:25 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 |
Update of bug #50780 (project findutils):
Status: None => Invalid
Open/Closed: Open => Closed
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Follow-up Comment #1:
And that behavior of -printf is expected. It is comparable to the POSIX
behavior of -print.
The '-printf' expression (like POSIX -print) will print the file name being
visited, then return true.
The '-type f' expression will check whether the file being visited as a
regular file, and return true or false accordingly.
When two expressions are written as 'A B', find behaves if you had instead
written 'A -a B'. The -a operator is short-circuiting: if expression A
returns false, expression B is not attempted; but if expression A returns
true, then expression B is used.
When you write -printf first, it always executes (everything gets printed),
then you filter out the files, but do nothing further with the files you
filtered.
When you write -printf second, it only executes on the files that got past the
-type filter.
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