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Diffstat (limited to 'usr.bin/sed/sed.1')
| -rw-r--r-- | usr.bin/sed/sed.1 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/usr.bin/sed/sed.1 b/usr.bin/sed/sed.1 index 4005463d2230..e7bd8b252b18 100644 --- a/usr.bin/sed/sed.1 +++ b/usr.bin/sed/sed.1 @@ -102,6 +102,13 @@ The editing commands should each be listed on a separate line. .It Fl i Ar extension Edit files in-place, saving backups with the specified .Ar extension . +If a zero-length +.Ar extension +is given, no backup will be saved. +It is not recommended to give a zero-length +.Ar extension +when in-place editing files, as you risk corruption or partial content +in situations where disk space is exhausted, etc. .It Fl n By default, each line of input is echoed to the standard output after all of the commands have been applied to it. |