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$ less up2date [Tue May 10 16:00:01 2005] up2date updating login info [Tue May 10 16:00:02 2005] up2date logging into up2date server [Tue May 10 16:00:03 2005] up2date successfully retrieved authentication token f rom up2date server [Tue May 10 16:07:29 2005] up2date updating login info [Tue May 10 16:07:29 2005] up2date logging into up2date server [Tue May 10 16:07:31 2005] up2date successfully retrieved authentication token f rom up2date server [Tue May 10 16:07:45 2005] up2date updating login info [Tue May 10 16:07:45 2005] up2date logging into up2date server [Tue May 10 16:07:46 2005] up2date successfully retrieved authentication token f rom up2date server
$ grep -v 'up2date' up2date sys.exit(main() or 0) gui.main() File "gui.py", line 2192, in main gtk.mainloop() File "gui.py", line 1378, in onChannelsPageNext channel = rhnChannel.selected_channels.getByName(channelName) File "rhnChannel.py", line 82, in getByName log.trace_me() x = traceback.extract_stack()
grepコマンドで、-vオプション、検索する文字列「'up2date'」、検索対象のファイル「up2date」を指定すると、文字列「up2date」がない行を検索して表示する。検索する文字列は、引用符「'」で囲むこと。
grepコマンドのオプション | |
-v | 検索文字列を含まない行 |
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