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Diff for /src/usr.bin/grep/grep.1 between version 1.37 and 1.38

version 1.37, 2010/04/05 03:03:55 version 1.38, 2010/04/05 06:30:59
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 An empty expression matches every line.  An empty expression matches every line.
 Each input line that matches at least one of the patterns is written  Each input line that matches at least one of the patterns is written
 to the standard output.  to the standard output.
   If no file arguments are specified, the standard input is used.
 .Pp  .Pp
 .Nm grep  .Nm grep
 is used for simple patterns and  is used for simple patterns and
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 and block buffered otherwise.  and block buffered otherwise.
 .Pp  .Pp
 .El  .El
 If no file arguments are specified, the standard input is used.  .Pp
 .Sh RETURN VALUES  
 The  The
 .Nm grep  .Nm grep
 utility exits with one of the following values:  utility exits with one of the following values:
 .Pp  .Pp
 .Bl -tag -width flag -compact  .Bl -tag -width Ds -offset indent -compact
 .It Li 0  .It Li 0
 One or more lines were selected.  One or more lines were selected.
 .It Li 1  .It Li 1
Legend:
Removed from v.1.37  
changed lines
  Added in v.1.38