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Diff for /src/usr.bin/awk/awk.1 between version 1.14 and 1.15

version 1.14, 2003/09/02 18:50:06 version 1.15, 2003/11/24 10:58:08
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 .Pp  .Pp
 An action is a sequence of statements.  An action is a sequence of statements.
 A statement can be one of the following:  A statement can be one of the following:
 .Pp  
 .Bd -unfilled -offset indent  .Bd -unfilled -offset indent
 .Ic if ( Xo  .Ic if ( Xo
 .Ar expression ) statement \&  .Ar expression ) statement \&
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 .Fn atan2  .Fn atan2
 are built in.  are built in.
 Other built-in functions:  Other built-in functions:
 .Pp  
 .Bl -tag -width Fn  .Bl -tag -width Fn
 .It Fn length  .It Fn length
 the length of its argument  the length of its argument
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 A pattern may consist of two patterns separated by a comma;  A pattern may consist of two patterns separated by a comma;
 in this case, the action is performed for all lines  in this case, the action is performed for all lines
 from an occurrence of the first pattern  from an occurrence of the first pattern
 though an occurrence of the second.  through an occurrence of the second.
 .Pp  .Pp
 A relational expression is one of the following:  A relational expression is one of the following:
 .Bd -unfilled -offset indent  .Bd -unfilled -offset indent
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 .Ar \& array-name  .Ar \& array-name
 .Xc  .Xc
 .Ed  .Ed
   .Pp
 where a  where a
 .Ar relop  .Ar relop
 is any of the six relational operators in C, and a  is any of the six relational operators in C, and a
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 .Pp  .Pp
 .Dl { print $2, $1 }  .Dl { print $2, $1 }
 Print first two fields in opposite order.  Print first two fields in opposite order.
 .Pp  
 .Bd -literal -offset indent  .Bd -literal -offset indent
 BEGIN { FS = ",[ \et]*|[ \et]+" }  BEGIN { FS = ",[ \et]*|[ \et]+" }
       { print $2, $1 }        { print $2, $1 }
 .Ed  .Ed
 Same, with input fields separated by comma and/or blanks and tabs.  Same, with input fields separated by comma and/or blanks and tabs.
 .Pp  
 .Bd -literal -offset indent  .Bd -literal -offset indent
 { s += $1 }  { s += $1 }
 END { print "sum is", s, " average is", s/NR }  END { print "sum is", s, " average is", s/NR }
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 .Pp  .Pp
 .Dl /start/, /stop/  .Dl /start/, /stop/
 Print all lines between start/stop pairs.  Print all lines between start/stop pairs.
 .Pp  
 .Bd -literal -offset indent  .Bd -literal -offset indent
 BEGIN { # Simulate echo(1)  BEGIN { # Simulate echo(1)
         for (i = 1; i < ARGC; i++) printf "%s ", ARGV[i]          for (i = 1; i < ARGC; i++) printf "%s ", ARGV[i]
Legend:
Removed from v.1.14  
changed lines
  Added in v.1.15