gs_fileinfo.hlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{smcl}
{* 10mar2005}{...}
{cmd:help gs_fileinfo}{right:also see:  {help undocumented}}
{hline}

{title:Title}

{p 4 21 2}
{cmd:gs_fileinfo} {hline 2} Subroutine to obtain information about .gph file


{title:Syntax}

{p 8 16 2}
{cmd:gs_fileinfo}
{it:filename}
[{cmd:,}
{cmd:suffix}
]


{title:Description}

{pstd}
{cmd:gs_fileinfo} returns whether {it:filename} is old, asis, or live and,
if it is live, returns additional information including the command that
generated the graph.


{title:Option}

{phang}
{cmd:suffix}
    specifies that {it:filename} is to be suffixed with {cmd:.gph}
    if it does not already contain a suffix.


{title:Remarks}

{pstd}
{cmd:gs_fileinfo} produces no output except for error messages.

{pstd}
{cmd:gs_fileinfo} is implemented in terms of {cmd:gs_filetype}; see
{helpb gs_filetype}.


{title:Saved results}

{pstd}
Returned in r() is

	local  {cmd:r(fn)}            {it:filename} or {it:filename}{cmd:.gph}
	local  {cmd:r(ft)}            "{cmd:old}", "{cmd:asis}", or "{cmd:live}"

{pstd}
and, if {cmd:r(ft)}=="{cmd:live}",

	scalar {cmd:r(fversion)}      file format
	scalar {cmd:r(cversion)}      code format

	local  {cmd:r(scheme)}        scheme name
	local  {cmd:r(ysize)}         {cmd:ysize()} value
	local  {cmd:r(xsize)}         {cmd:xsize()} value

	local  {cmd:r(command)}       command
	local  {cmd:r(command_date)}  date on which command was run
	local  {cmd:r(command_time)}  time at which command was run
	local  {cmd:r(family)}        family to which command belongs

	local  {cmd:r(dtafile)}       .dta file in memory at command_time
	local  {cmd:r(dtafile_date)}  .dta file date

{pstd}
Note that any of {cmd:r(command)}, ..., {cmd:r(dtafile_date)}
may be undefined, so refer to contents using macro quoting.


{title:Also see}

{psee}
Online:
{helpb gs_graphinfo};
{helpb gs_filetype};
{helpb graph describe}
{p_end}