Re: anomaly of length function for varchar

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There is an explicit "trim" in the code for LENGTH, Informix4gl reports 1
for the LENGTH too..

On Sun, 19 Feb 2023 at 01:55, Iwan AB <[email protected]> wrote:

> Dear Aubit4GL team,
>
> I found anomaly of length function for varchar variable.
>
> Consider the following program
>
> MAIN
>     DEFINE  w_str VARCHAR(5)
>     DEFINE  n SMALLINT
>
>     LET w_str = "x  "
>     LET n = LENGTH(w_str)
>     DISPLAY "1. w_str=", w_str, "; => n=", n
>
> CODE
>     n = strlen(w_str);
> ENDCODE
>     DISPLAY "2. w_str=", w_str, "; => n=", n
>
> END MAIN
> it returns:
> 1. w_str=x  ; => n=     1
> 2. w_str=x  ; => n=     3
>
> Best regards,
>
> Iwan
>
> _______________________________________________
> Aubit4gl-discuss mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/aubit4gl-discuss
>

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<div dir=3D"ltr">There is an explicit &quot;trim&quot; in the code for LENG=
TH, Informix4gl=C2=A0reports 1 for the LENGTH too..</div><br><div class=3D"=
gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, 19 Feb 2023 at 0=
1:55, Iwan AB &lt;<a href=3D"mailto:[email protected]">[email protected]</a>&=
gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div =
dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><font face=3D"monospace" size=
=3D"4">Dear Aubit4GL team,</font><div><font face=3D"monospace" size=3D"4"><=
br></font></div><div><font face=3D"monospace" size=3D"4">I found anomaly of=
 length function for varchar variable.</font></div><div><font face=3D"monos=
pace" size=3D"4"><br></font></div><div><font face=3D"monospace" size=3D"4">=
Consider the following program</font></div><div><font size=3D"4"><br></font=
></div><div><div><font face=3D"monospace" size=3D"4">MAIN</font></div><div>=
<font face=3D"monospace" size=3D"4">=C2=A0 =C2=A0 DEFINE=C2=A0 w_str VARCHA=
R(5)</font></div><div><font face=3D"monospace" size=3D"4">=C2=A0 =C2=A0 DEF=
INE=C2=A0 n SMALLINT</font></div><div><font face=3D"monospace" size=3D"4"><=
br></font></div><div><font face=3D"monospace" size=3D"4">=C2=A0 =C2=A0 LET =
w_str =3D &quot;x=C2=A0 &quot;</font></div><div><font face=3D"monospace" si=
ze=3D"4">=C2=A0 =C2=A0 LET n =3D LENGTH(w_str)</font></div><div><font face=
=3D"monospace" size=3D"4">=C2=A0 =C2=A0 DISPLAY &quot;1. w_str=3D&quot;, w_=
str, &quot;; =3D&gt; n=3D&quot;, n</font></div><div><font face=3D"monospace=
" size=3D"4"><br></font></div><div><font face=3D"monospace" size=3D"4">CODE=
</font></div><div><font face=3D"monospace" size=3D"4">=C2=A0 =C2=A0 n =3D s=
trlen(w_str);</font></div><div><font face=3D"monospace" size=3D"4">ENDCODE<=
/font></div><div><font face=3D"monospace" size=3D"4">=C2=A0 =C2=A0 DISPLAY =
&quot;2. w_str=3D&quot;, w_str, &quot;; =3D&gt; n=3D&quot;, n</font></div><=
div><font face=3D"monospace" size=3D"4"><br></font></div><div><font face=3D=
"monospace" size=3D"4">END MAIN</font></div></div><div><font face=3D"monosp=
ace" size=3D"4">it returns:</font></div><div><div><font face=3D"monospace" =
size=3D"4">1. w_str=3Dx=C2=A0 ; =3D&gt; n=3D=C2=A0 =C2=A0 =C2=A01</font></d=
iv><div><font face=3D"monospace" size=3D"4">2. w_str=3Dx=C2=A0 ; =3D&gt; n=
=3D=C2=A0 =C2=A0 =C2=A03</font></div></div><div><font face=3D"monospace" si=
ze=3D"4"><br></font></div><div><font face=3D"monospace" size=3D"4">Best=C2=
=A0regards,</font></div><div><font face=3D"monospace" size=3D"4"><br></font=
></div><div><font face=3D"monospace" size=3D"4">Iwan</font></div><div><br><=
/div></div></div></div>
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Aubit4gl-discuss mailing list<br>
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>[email protected]</a><br>
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el=3D"noreferrer" target=3D"_blank">https://lists.sourceforge.net/lists/lis=
tinfo/aubit4gl-discuss</a><br>
</blockquote></div>

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