Re: Extracting the name of a variable
- To: mathgroup at smc.vnet.net
- Subject: [mg26918] Re: [mg26883] Extracting the name of a variable
- From: Ken Levasseur <Kenneth_Levasseur at uml.edu>
- Date: Fri, 26 Jan 2001 23:29:57 -0500 (EST)
- References: <200101260627.BAA18734@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Mike:
This seems to work:
In[1]:=
z = 3
Out[1]=
3
In[2]:=
Attributes[nameExtract] = {HoldAll}
Out[2]=
{HoldAll}
In[3]:=
nameExtract[a_] := HoldForm[a] // ToString
In[4]:=
nameExtract[z] // FullForm
Out[4]//FullForm=
"z"
Ken Levasseur
Math Sci
UMass Lowell
Mike Yukish wrote:
> Hello,
>
> I'd like to make a function that extracts the name of a variable and
> makes a string. So the function would do:
>
> In: z = 4
>
> In: nameExtract[z]
>
> Out: "z"
>
> It appears to not be so simple, since once you assign z a value, the
> function SymbolName[z] returns an error. what's the trick?
>
> I want to do this so I can make a function takes z as an argument, and
> generates a name:value pair "z=4"
- References:
- Extracting the name of a variable
- From: Mike Yukish <may106@psu.edu>
- Extracting the name of a variable