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-rw-r--r--games/fortune/datfiles/freebsd-tips10
1 files changed, 10 insertions, 0 deletions
diff --git a/games/fortune/datfiles/freebsd-tips b/games/fortune/datfiles/freebsd-tips
index 26843fa..f0fbfdd 100644
--- a/games/fortune/datfiles/freebsd-tips
+++ b/games/fortune/datfiles/freebsd-tips
@@ -490,3 +490,13 @@ try the following pkg_info command.
pkg_info | sort | sed -e 's/-[0-9].*$//' | \
uniq -c | grep -v '^[[:space:]]*1'
+%
+Want to use sed(1) to edit a file in place? Well, to replace every 'e' with
+an 'o', in a file named 'foo', you can do:
+
+ sed -i.bak s/e/o/g foo
+
+And you'll get a backup of the original in a file named 'foo.bak', but if you
+want no backup:
+
+ sed -i '' s/e/o/g foo
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