Я думаю, что сделал бы это этот путь:
find -mindepth 3 -type d ! -path '*/p/*' -name c -print
На основе @StephaneChazelas' обратной связи я полагаю, что этот метод устранил бы посторонний поиск в любого /p/
каталоги:
find -mindepth 3 -type d -path '*/p/*' -prune -o -name c -print
Для сравнения находят команды, можно добавить переключатель отладки -D search
так, чтобы Вы видели, как конкретная находка работала бы по сравнению с другим.
Я выполнил команду @StephaneChazelas' по сравнению с моим для наблюдения, где различия были. 2 команды выполняются, и с их выводом сталкиваются sdiff
ниже:
$ sdiff \
<(find -D search -mindepth 3 -type d -path '*/p/*' -prune -o -name c -print 2>&1) \
<(find -D search -type d -name p -prune -o -path './*/*/*' -name c -print 2>&1)
consider_visiting (early): `.': fts_info=FTS_D , fts_level= 0 consider_visiting (early): `.': fts_info=FTS_D , fts_level= 0
consider_visiting (late): `.': fts_info=FTS_D , isdir=1 ignor | consider_visiting (late): `.': fts_info=FTS_D , isdir=1 ignor
consider_visiting (early): `./a': fts_info=FTS_D , fts_level= consider_visiting (early): `./a': fts_info=FTS_D , fts_level=
consider_visiting (late): `./a': fts_info=FTS_D , isdir=1 ign | consider_visiting (late): `./a': fts_info=FTS_D , isdir=1 ign
consider_visiting (early): `./a/c': fts_info=FTS_D , fts_leve consider_visiting (early): `./a/c': fts_info=FTS_D , fts_leve
consider_visiting (late): `./a/c': fts_info=FTS_D , isdir=1 i | consider_visiting (late): `./a/c': fts_info=FTS_D , isdir=1 i
consider_visiting (early): `./a/c/d': fts_info=FTS_D , fts_le consider_visiting (early): `./a/c/d': fts_info=FTS_D , fts_le
consider_visiting (late): `./a/c/d': fts_info=FTS_D , isdir=1 consider_visiting (late): `./a/c/d': fts_info=FTS_D , isdir=1
consider_visiting (early): `./a/c/d/e': fts_info=FTS_D , fts_ consider_visiting (early): `./a/c/d/e': fts_info=FTS_D , fts_
consider_visiting (late): `./a/c/d/e': fts_info=FTS_D , isdir consider_visiting (late): `./a/c/d/e': fts_info=FTS_D , isdir
consider_visiting (early): `./a/c/d/e': fts_info=FTS_DP, fts_ consider_visiting (early): `./a/c/d/e': fts_info=FTS_DP, fts_
consider_visiting (late): `./a/c/d/e': fts_info=FTS_DP, isdir consider_visiting (late): `./a/c/d/e': fts_info=FTS_DP, isdir
consider_visiting (early): `./a/c/d': fts_info=FTS_DP, fts_le consider_visiting (early): `./a/c/d': fts_info=FTS_DP, fts_le
consider_visiting (late): `./a/c/d': fts_info=FTS_DP, isdir=1 consider_visiting (late): `./a/c/d': fts_info=FTS_DP, isdir=1
consider_visiting (early): `./a/c': fts_info=FTS_DP, fts_leve consider_visiting (early): `./a/c': fts_info=FTS_DP, fts_leve
consider_visiting (late): `./a/c': fts_info=FTS_DP, isdir=1 i consider_visiting (late): `./a/c': fts_info=FTS_DP, isdir=1 i
consider_visiting (early): `./a/p': fts_info=FTS_D , fts_leve consider_visiting (early): `./a/p': fts_info=FTS_D , fts_leve
consider_visiting (late): `./a/p': fts_info=FTS_D , isdir=1 i | consider_visiting (late): `./a/p': fts_info=FTS_D , isdir=1 i
consider_visiting (early): `./a/p/c': fts_info=FTS_D , fts_le | consider_visiting (early): `./a/p': fts_info=FTS_DP, fts_leve
consider_visiting (late): `./a/p/c': fts_info=FTS_D , isdir=1 <
consider_visiting (early): `./a/p/c': fts_info=FTS_DP, fts_le <
consider_visiting (late): `./a/p/c': fts_info=FTS_DP, isdir=1 <
consider_visiting (early): `./a/p': fts_info=FTS_DP, fts_leve <
consider_visiting (late): `./a/p': fts_info=FTS_DP, isdir=1 i consider_visiting (late): `./a/p': fts_info=FTS_DP, isdir=1 i
consider_visiting (early): `./a': fts_info=FTS_DP, fts_level= consider_visiting (early): `./a': fts_info=FTS_DP, fts_level=
consider_visiting (late): `./a': fts_info=FTS_DP, isdir=1 ign consider_visiting (late): `./a': fts_info=FTS_DP, isdir=1 ign
consider_visiting (early): `./c': fts_info=FTS_D , fts_level= consider_visiting (early): `./c': fts_info=FTS_D , fts_level=
consider_visiting (late): `./c': fts_info=FTS_D , isdir=1 ign | consider_visiting (late): `./c': fts_info=FTS_D , isdir=1 ign
consider_visiting (early): `./c/a': fts_info=FTS_D , fts_leve consider_visiting (early): `./c/a': fts_info=FTS_D , fts_leve
consider_visiting (late): `./c/a': fts_info=FTS_D , isdir=1 i | consider_visiting (late): `./c/a': fts_info=FTS_D , isdir=1 i
consider_visiting (early): `./c/a/c': fts_info=FTS_D , fts_le consider_visiting (early): `./c/a/c': fts_info=FTS_D , fts_le
consider_visiting (late): `./c/a/c': fts_info=FTS_D , isdir=1 consider_visiting (late): `./c/a/c': fts_info=FTS_D , isdir=1
consider_visiting (early): `./c/a/c/g': fts_info=FTS_D , fts_ consider_visiting (early): `./c/a/c/g': fts_info=FTS_D , fts_
consider_visiting (late): `./c/a/c/g': fts_info=FTS_D , isdir consider_visiting (late): `./c/a/c/g': fts_info=FTS_D , isdir
consider_visiting (early): `./c/a/c/g/f': fts_info=FTS_D , ft consider_visiting (early): `./c/a/c/g/f': fts_info=FTS_D , ft
consider_visiting (late): `./c/a/c/g/f': fts_info=FTS_D , isd consider_visiting (late): `./c/a/c/g/f': fts_info=FTS_D , isd
consider_visiting (early): `./c/a/c/g/f': fts_info=FTS_DP, ft consider_visiting (early): `./c/a/c/g/f': fts_info=FTS_DP, ft
consider_visiting (late): `./c/a/c/g/f': fts_info=FTS_DP, isd consider_visiting (late): `./c/a/c/g/f': fts_info=FTS_DP, isd
consider_visiting (early): `./c/a/c/g': fts_info=FTS_DP, fts_ consider_visiting (early): `./c/a/c/g': fts_info=FTS_DP, fts_
consider_visiting (late): `./c/a/c/g': fts_info=FTS_DP, isdir consider_visiting (late): `./c/a/c/g': fts_info=FTS_DP, isdir
consider_visiting (early): `./c/a/c': fts_info=FTS_DP, fts_le consider_visiting (early): `./c/a/c': fts_info=FTS_DP, fts_le
consider_visiting (late): `./c/a/c': fts_info=FTS_DP, isdir=1 consider_visiting (late): `./c/a/c': fts_info=FTS_DP, isdir=1
consider_visiting (early): `./c/a': fts_info=FTS_DP, fts_leve consider_visiting (early): `./c/a': fts_info=FTS_DP, fts_leve
consider_visiting (late): `./c/a': fts_info=FTS_DP, isdir=1 i consider_visiting (late): `./c/a': fts_info=FTS_DP, isdir=1 i
consider_visiting (early): `./c': fts_info=FTS_DP, fts_level= consider_visiting (early): `./c': fts_info=FTS_DP, fts_level=
consider_visiting (late): `./c': fts_info=FTS_DP, isdir=1 ign consider_visiting (late): `./c': fts_info=FTS_DP, isdir=1 ign
consider_visiting (early): `.': fts_info=FTS_DP, fts_level= 0 consider_visiting (early): `.': fts_info=FTS_DP, fts_level= 0
consider_visiting (late): `.': fts_info=FTS_DP, isdir=1 ignor consider_visiting (late): `.': fts_info=FTS_DP, isdir=1 ignor
./c/a/c ./c/a/c
Если Вы замечаете, существует разрыв в подходе Stephane, который мой не имеет. Даже с черносливом. Я думаю, что это показывает, что его метод избегает дополнительной работы в обходе в каталоги, которые это должно иначе игнорировать.
И с FreeBSD и с GNU find
(которые являются некоторыми из нескольких реализаций та поддержка -mindepth
), Ваш -prune
только сократил бы p
каталоги, которые являются на глубине 3 или глубже. И FreeBSD и GNU find
документация делает это довольно ясным (здесь документация GNU):
-- Option: -mindepth levels Do not apply any tests or actions at levels less than LEVELS (a non-negative integer). `-mindepth 1' means process all files except the command line arguments.
Вы могли всегда делать это стандартный путь вместо этого:
find . -type d -name p -prune -o -path './*/*/*' -name c -print
(-mindepth
и -or
не являются стандартными find
предикаты, опуская каталог (каталоги) не являются стандартными ни один).
Или с zsh
:
setopt extendedglob
printf '%s\n' ^p/^p/(^p/)#c
-o
вместо -or
?
– slm♦
03.06.2013, 10:17
-or
совпадает с -o
но не соответствие POSIX.
– slm♦
03.06.2013, 10:23
Согласно странице справочника находки:
-prune True; if the file is a directory, do not descend into it. If
-depth is given, false; no effect.
Таким образом в Вашем особом случае я сделал бы что-то как:
find a/* -mindepth 2 -type f -print
Но конечно существует не всегда такое легкое решение.
find
убывать вp
каталоги все же. – Stéphane Chazelas 03.06.2013, 10:20-prune
не может сократить в этой ситуации, фильтруя, возможно, единственную оставленную опцию. – Bohr 03.06.2013, 10:35find -mindepth 3 -type d -path '*/p/*' -prune -o -name c -print
. – slm♦ 03.06.2013, 10:35