mf_cat.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}
{* 20sep2004}{...}
{cmd:help mata cat()}
{hline}
{* index cat()}{...}
{* index file processing}{...}

{title:Title}

{p 4 4 2}
{bf:[M-5] cat() -- Load file into string matrix}


{title:Syntax}

{p 8 12 2}
{it:string colvector}
{cmd:cat(}{it:string scalar filename}{cmd:)}


{title:Description}

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{cmd:cat(}{it:filename}{cmd:)} returns a column vector containing the 
lines from ASCII file {it:filename}.


{title:Remarks}

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{cmd:cat(}{it:filename}{cmd:)} removes newline characters at the end 
of lines.


{title:Conformability}

    {cmd:cat(}{it:filename}{cmd:)}:
	 {it:filename}:  1 {it:x} 1
	   {it:result}:  {it:r x} 1, {it:r}>=0


{title:Diagnostics}

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{cmd:cat(}{it:filename}{cmd:)} aborts with error if {it:filename} does not 
exist.

{p 4 4 2}
{cmd:cat()} returns a 0 {it:x} 1 result if {it:filename} contains 0 bytes.


{title:Source code}

{p 4 4 2}
{view cat.mata, adopath asis:cat.mata}


{title:Also see}

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Manual:  {hi:[M-5] cat()}

{p 4 13 2}
Online:  help for 
{bf:{help m4_io:[M-4] io}}
{p_end}