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Diff for /src/usr.bin/sed/sed.1 between version 1.44 and 1.45

version 1.44, 2014/10/22 23:23:22 version 1.45, 2015/07/17 20:38:57
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 .Op Fl aEnru  .Op Fl aEnru
 .Op Fl e Ar command  .Op Fl e Ar command
 .Op Fl f Ar command_file  .Op Fl f Ar command_file
   .Op Fl i Ns Op Ar extension
 .Op Ar  .Op Ar
 .Sh DESCRIPTION  .Sh DESCRIPTION
 The  The
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 .Ar command_file  .Ar command_file
 to the list of commands.  to the list of commands.
 The editing commands should each be listed on a separate line.  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 r  .It Fl r
 An alias for  An alias for
 .Fl E ,  .Fl E ,
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 squeezing excess empty lines from standard input:  squeezing excess empty lines from standard input:
 .Bd -literal -offset indent  .Bd -literal -offset indent
 $ sed -n '  $ sed -n '
   .Pp
   The
   .Fl i
   option is a non-standard
   .Fx
   extension and may not be available on other operating systems.
 # Write non-empty lines.  # Write non-empty lines.
 /./ {  /./ {
     p      p
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 specification.  specification.
 .Pp  .Pp
 The flags  The flags
 .Op Fl aEru  .Op Fl aEiru
 are extensions to that specification.  are extensions to that specification.
 .Pp  .Pp
 The use of newlines to separate multiple commands on the command line  The use of newlines to separate multiple commands on the command line
Legend:
Removed from v.1.44  
changed lines
  Added in v.1.45