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man grep: read a directory
From: |
Dan Jacobson |
Subject: |
man grep: read a directory |
Date: |
Wed, 07 Mar 2007 06:25:26 +0800 |
-d ACTION, --directories=ACTION
If an input file is a directory, use ACTION to process it. By
default, ACTION
is read, which means that directories are read just as if they
were ordinary
files. If ACTION is skip, directories are silently skipped.
If ACTION is
Say if no ACTION is given, the default is to ... and
say if no -d is given, the default is to ...
Also say what you mean by "read a directory".
# grep -c sys /var/log/
0
# ls /var/log/|grep sys
syslog
syslog.0
syslog.1.gz
syslog.2.gz
syslog.3.gz
syslog.4.gz
syslog.5.gz
syslog.6.gz
sysstat
# grep -d read -c sys /var/log/
0
# cat /var/log/|grep sys
cat: /var/log/: Is a directory
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