On Thu, 15 May 2014 09:55:52 +0200, Bernd Petrovitsch said: > sed -i '/\/opt\/new1/d' file_entries.txt > > should do it. > Just for the match, we do not need, the tailing ".*$" (because it > matches always).
Actually, you want to use /^\/opt\/new1[ \t]/d because otherwise it will also delete lines that contain /usr/opt/new1 and /opt/new12. So you want a pattern that matches ^ anchor at start, the actual /opt/new1 pathname, and then either a blank or tab whitespace....
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