举例:
grep a websm.log
搜索.profile文件中与mail匹配的行并显示。
# grep a websm.log
com.ibm.websm.preferences.WXPreferenceException: Unable to load preferences from
/WebSM.pref.
Default settings will be used. This preference file will be updated
if the Check Button in the Exit Confirmation Dialog is checked.
at com.ibm.websm.preferences.WSPreferenceImpl.loadData(WSPreferenceImpl.
java:185)
at com.ibm.websm.preferences.WCPreferences.LoadData(WCPreferences.java:1
94)
at com.ibm.websm.preferences.WCPreferences.(WCPreferences.java:111
)
at com.ibm.websm.console.WConsole.getPreferences(WConsole.java:592)
at com.ibm.websm.console.WConsole.getPrefData(WConsole.java:559)
at com.ibm.websm.console.WConsole.(WConsole.java:119)
at com.ibm.websm.console.WConsole.main(WConsole.java:1294)
com.ibm.websm.bridge.directory.WDirectoryException: Caught EOFException while
reading the stream header
at com.ibm.websm.bridge.directory.WDirectory.get(WDirectory.java:128)
at com.ibm.websm.preferences.WSPreferenceImpl.loadData(WSPreferenceImpl.
java:178)
at com.ibm.websm.preferences.WCPreferences.LoadData(WCPreferences.java:1
94)
at com.ibm.websm.preferences.WCPreferences.(WCPreferences.java:111
)
at com.ibm.websm.console.WConsole.getPreferences(WConsole.java:592)
at com.ibm.websm.console.WConsole.getPrefData(WConsole.java:559)
at com.ibm.websm.console.WConsole.(WConsole.java:119)
at com.ibm.websm.console.WConsole.main(WConsole.java:1294)
#
grep –v mail .profile
显示与mail不匹配的行。
grep “^a[0-9]z$” filename
在filename中查找以’a’开头、以’z’结尾、中间包含数字’0’-‘9’的串。
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