为什么';递归grep看起来有效吗?
为什么';递归grep看起来有效吗?,grep,Grep,grep的手册页显示: -r, --recursive Read all files under each directory, recursively 好的,那么这怎么可能呢: # grep -r BUILD_AP24_TRUE apache # grep BUILD_AP24_TRUE apache/Makefile.in @BUILD_AP24_TRUE@mod_shib_24_la_DEPENDENCIES = $(am__DEPENDENCIES_1) \ (..
grep
的手册页显示:
-r, --recursive
Read all files under each directory, recursively
好的,那么这怎么可能呢:
# grep -r BUILD_AP24_TRUE apache
# grep BUILD_AP24_TRUE apache/Makefile.in
@BUILD_AP24_TRUE@mod_shib_24_la_DEPENDENCIES = $(am__DEPENDENCIES_1) \
(...)
此类问题可能有两个原因:
grep
的别名不包括您感兴趣的文件grep-R
代替grep-R
。从man grep
:
-r, --recursive
Read all files under each directory, recursively, following symbolic
links only if they are on the command line. Note that if no file
operand is given, grep searches the working directory.
This is equivalent to the -d recurse option.
-R, --dereference-recursive
Read all files under each directory, recursively.
Follow all symbolic links, unlike -r.
command-v grep
的输出是什么?@John1024您正在询问的命令的输出是/bin/grep
,因此它不是某种类型的别名grep-R BUILD\u AP24\u TRUE apache
,并告诉我们发生了什么。@John1024是的,这很尴尬,我没有检查Makefile.in
是一个符号链接。。。因为,此文件不是符号链接。除了,在这种情况下,它是。我想和做这个符号链接的人单独呆5分钟。