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Diff for /OpenXM/src/asir-doc/parts/builtin/io.texi between version 1.4 and 1.5

version 1.4, 2000/04/28 08:12:01 version 1.5, 2000/11/13 00:16:36
Line 1 
Line 1 
 @comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/io.texi,v 1.3 2000/03/02 07:46:14 noro Exp $  @comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/io.texi,v 1.4 2000/04/28 08:12:01 noro Exp $
 \BJP  \BJP
 @node $BF~=PNO(B,,, $BAH$_9~$_H!?t(B  @node $BF~=PNO(B,,, $BAH$_9~$_H!?t(B
 @section $BF~=PNO(B  @section $BF~=PNO(B
Line 16 
Line 16 
 * bsave bload::  * bsave bload::
 * bload27::  * bload27::
 * print::  * print::
 * open_file close_file get_line::  * open_file close_file get_line get_byte purge_stdin::
 @end menu  @end menu
   
 \JP @node end quit,,, $BF~=PNO(B  \JP @node end quit,,, $BF~=PNO(B
Line 532  convenient to minimize programming efforts.
Line 532  convenient to minimize programming efforts.
 xyz123gahaha  xyz123gahaha
 @end example  @end example
   
 \JP @node open_file close_file get_line,,, $BF~=PNO(B  \JP @node open_file close_file get_line get_byte purge_stdin,,, $BF~=PNO(B
 \EG @node open_file close_file get_line,,, Inputs and Outputs  \EG @node open_file close_file get_line get_byte purge_stdin,,, Inputs and Outputs
 @subsection @code{open_file}, @code{close_file}, @code{get_line}  @subsection @code{open_file}, @code{close_file}, @code{get_line}, @code{get_byte}, @code{purge_stdin}
 @findex open_file  @findex open_file
 @findex close_file  @findex close_file
 @findex get_line  @findex get_line
   @findex get_byte
   @findex purge_stdin
   
 @table @t  @table @t
 @item open_file("@var{filename}")  @item open_file("@var{filename}")
Line 546  xyz123gahaha
Line 548  xyz123gahaha
 @item close_file(@var{num})  @item close_file(@var{num})
 \JP :: $B<1JL;R(B @var{num} $B$N%U%!%$%k$r%/%m!<%:$9$k(B.  \JP :: $B<1JL;R(B @var{num} $B$N%U%!%$%k$r%/%m!<%:$9$k(B.
 \EG :: Closes the file indicated by a descriptor @var{num}.  \EG :: Closes the file indicated by a descriptor @var{num}.
 @item get_line(@var{num})  @item get_line([@var{num}])
 \JP :: $B<1JL;R(B @var{num} $B$N%U%!%$%k$+$i(B 1 $B9TFI$`(B.  \JP :: $B<1JL;R(B @var{num} $B$N%U%!%$%k$+$i(B 1 $B9TFI$`(B.
 \EG :: Reads a line from the file indicated by a descriptor @var{num}.  \EG :: Reads a line from the file indicated by a descriptor @var{num}.
   @item get_byte(@var{num})
   \JP :: $B<1JL;R(B @var{num} $B$N%U%!%$%k$+$i(B 1 $B%P%$%HFI$`(B.
   \EG :: Reads a byte from the file indicated by a descriptor @var{num}.
   @item purge_stdin()
   \JP :: $BI8=`F~NO$N%P%C%U%!$r%/%j%"$9$k(B.
   \EG :: Clears the buffer for the standard input.
 @end table  @end table
   
 @table @var  @table @var
 @item return  @item return
 \JP @code{open_file()} : $B@0?t(B ($B<1JL;R(B); @code{close_file()} : 1; @code{get_line()} : $BJ8;zNs(B  \JP @code{open_file()} : $B@0?t(B ($B<1JL;R(B); @code{close_file()} : 1; @code{get_line()} : $BJ8;zNs(B, @code{get_byte()} : $B@0?t(B
 \EG @code{open_file()} : integer (fild id); @code{close_file()} : 1; @code{get_line()} : string  \EG @code{open_file()} : integer (fild id); @code{close_file()} : 1; @code{get_line()} : string, @code{get_byte()} : integer
 @item filename  @item filename
 \JP $B%U%!%$%kL>(B ($B%Q%9L>(B)  \JP $B%U%!%$%kL>(B ($B%Q%9L>(B)
 \EG file (path) name  \EG file (path) name
Line 569  xyz123gahaha
Line 577  xyz123gahaha
 $B>l9g(B, $B%U%!%$%k<1JL;R$H$7$FHsIi@0?t$rJV$9(B. $B<:GT$N>l9g%(%i!<$H$J$k(B.  $B>l9g(B, $B%U%!%$%k<1JL;R$H$7$FHsIi@0?t$rJV$9(B. $B<:GT$N>l9g%(%i!<$H$J$k(B.
 $BITMW$K$J$C$?%U%!%$%k$O(B @code{close_file()} $B$G%/%m!<%:$9$k(B.  $BITMW$K$J$C$?%U%!%$%k$O(B @code{close_file()} $B$G%/%m!<%:$9$k(B.
 @item @code{get_line()} $B$O8=:_%*!<%W%s$7$F$$$k%U%!%$%k$+$i(B 1 $B9TFI$_(B,  @item @code{get_line()} $B$O8=:_%*!<%W%s$7$F$$$k%U%!%$%k$+$i(B 1 $B9TFI$_(B,
 $BJ8;zNs$H$7$FJV$9(B.  $BJ8;zNs$H$7$FJV$9(B. $B0z?t$,$J$$>l9g(B, $BI8=`F~NO$+$i(B 1 $B9TFI$`(B.
   @item @code{get_byte()} $B$O8=:_%*!<%W%s$7$F$$$k%U%!%$%k$+$i(B 1 $B%P%$%HFI$_(B
   $B@0?t$H$7$FJV$9(B.
 @item $B%U%!%$%k$N=*$j$^$GFI$s$@8e$K(B @code{get_line()} $B$,8F$P$l$?>l9g(B,  @item $B%U%!%$%k$N=*$j$^$GFI$s$@8e$K(B @code{get_line()} $B$,8F$P$l$?>l9g(B,
 $B@0?t$N(B 0 $B$rJV$9(B.  $B@0?t$N(B 0 $B$rJV$9(B.
 @item $BFI$_=P$7$?J8;zNs$O(B, $BI,MW$,$"$l$P(B @code{sub_str()} $B$J$I$NJ8;zNs=hM}(B  @item $BFI$_=P$7$?J8;zNs$O(B, $BI,MW$,$"$l$P(B @code{sub_str()} $B$J$I$NJ8;zNs=hM}(B
 $B4X?t$G2C9)$7$?$N$A(B @code{eval_str()} $B$K$h$jFbIt7A<0$KJQ49$G$-$k(B.  $B4X?t$G2C9)$7$?$N$A(B @code{eval_str()} $B$K$h$jFbIt7A<0$KJQ49$G$-$k(B.
   @item @code{purge_stdin()} $B$O(B, $BI8=`F~NO%P%C%U%!$r6u$K$9$k(B.
   $B4X?tFb$G(B @code{get_line()} $B$K$h$jI8=`F~NO$+$iJ8;zNs$r<u$1<h$k>l9g(B,
   $B4{$K%P%C%U%!Fb$KB8:_$9$kJ8;zNs$K$h$k8mF0:n$rKI$0$?$a$K$"$i$+$8$a(B
   $B8F$S=P$9(B.
 \E  \E
 \BEG  \BEG
 @item @code{open_file()} opens a file for reading.  @item @code{open_file()} opens a file for reading.
Line 581  If successful, it returns a non-negative integer as th
Line 595  If successful, it returns a non-negative integer as th
 Otherwise the system error function is called.  Otherwise the system error function is called.
 Unnecessary files should be closed by @code{close_file()}.  Unnecessary files should be closed by @code{close_file()}.
 @item @code{get_line()} reads a line from an opened file and returns the  @item @code{get_line()} reads a line from an opened file and returns the
 line as a string.  line as a string. If no argument is supplied, it reads a line from the
   standard input.
   @item @code{get_byte()} reads a byte from an opened file and returns the
   it as an integer.
 @item A @code{get_line()} call after reading the end of file returns  @item A @code{get_line()} call after reading the end of file returns
 an integer 0.  an integer 0.
 @item Strings can be converted into internal forms with string manipulation  @item Strings can be converted into internal forms with string manipulation
 functions such as @code{sub_str()}, @code{eval_str()}.  functions such as @code{sub_str()}, @code{eval_str()}.
   @item @code{purge_stdin()} clears the buffer for the standard input.
   When a function receives a character string from @code{get_line()},
   this functions should be called in advance in order to avoid
   an incorrect behavior which is caused by the characters already
   exists in the buffer.
 \E  \E
 @end itemize  @end itemize
   
Line 602  functions such as @code{sub_str()}, @code{eval_str()}.
Line 624  functions such as @code{sub_str()}, @code{eval_str()}.
 0  0
 [189] type(@@@@);  [189] type(@@@@);
 0  0
   [190] close_file(Id);
   1
   [191] open_file("test");
   1
   [192] get_line(1);
   12345
   
   [193] get_byte(1);
   54                   /* the ASCII code of '6' */
   [194] get_line(1);
   7890                 /* the rest of the last line */
   [195] def test() @{ return get_line(); @}
   [196] def test1() @{ purge_stdin(); return get_line(); @}
   [197] test();
                        /* a remaining newline character has been read */
                        /* returns immediately */
   [198] test1();
   123;                 /* input from a keyboard */
   123;                 /* returned value */
   
   [199]
   
 @end example  @end example
   
 @table @t  @table @t
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