Re: anomaly of length function for varchar

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Got it, thanks!

On Sun, Feb 19, 2023 at 3:50 PM Mike Aubury <[email protected]> wrote:

> 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">Got it, thanks!=C2=A0<br></div><br><div class=3D"gmail_quo=
te"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 19, 2023 at 3:50 PM M=
ike Aubury &lt;<a href=3D"mailto:[email protected]">[email protected]</a>&gt; wro=
te:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"=
ltr">There is an explicit &quot;trim&quot; in the code for LENGTH, Informix=
4gl=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 01:55, Iwan A=
B &lt;<a href=3D"mailto:[email protected]" target=3D"_blank">[email protected]=
m</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin=
:0px 0px 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 an=
omaly of length function for varchar variable.</font></div><div><font face=
=3D"monospace" size=3D"4"><br></font></div><div><font face=3D"monospace" si=
ze=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_s=
tr VARCHAR(5)</font></div><div><font face=3D"monospace" size=3D"4">=C2=A0 =
=C2=A0 DEFINE=C2=A0 n SMALLINT</font></div><div><font face=3D"monospace" si=
ze=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"mo=
nospace" size=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 strlen(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 fa=
ce=3D"monospace" 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></div><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" size=3D"4"><br></font></div><div><font face=3D"monospace" si=
ze=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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</blockquote></div>
</blockquote></div>

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