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Oct 11, 2017 5:57 AM
(9175 views)

This is probably really simple, but I've been through the scripting guide and I've searched the community discussions without any luck so here goes:

I'm trying to copy a comple data table with values, column properties and all. Is there a command for this? I tried to hack something together:

```
dt=current data table();
colNames = dt << Get Column Names( String );
ndt = New Table("Plotting Data", /*invisible,*/);
For (i=1, i <= NCols(dt), i++,
New Column(colNames[i]);
colProps = Column(dt, colNames[i]) << Get Column Properties;
Column( ndt, colNames[i]) << Add Column Properties( colProps );
);
ndt << Add Rows(NRows(dt));
For (j=1, j <= NCols(dt), j++,
colVals = Column(dt, colNames[j]) << Get values;
Column(ndt, colNames[j]) << Set values( colVals );
);
```

However besides being overly complicated for something rather simple, it won't copy character data because data type is apparently not included in column properties.

Thanks,

Johan

1 ACCEPTED SOLUTION

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Here's one way:

```
NamesDefaultToHere(1);
dt1 = Open("$SAMPLE_DATA/Big Class.jmp");
dt2 = Eval(dt1 << getScript);
```

3 REPLIES 3

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Re: JSL: Copy data table

BTW sorry for the invisible command that's blocked out. It's not important for my question.

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Here's one way:

```
NamesDefaultToHere(1);
dt1 = Open("$SAMPLE_DATA/Big Class.jmp");
dt2 = Eval(dt1 << getScript);
```

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Re: JSL: Copy data table

Another way is to subset the table with all rows and all columns.

```
dt = Open( "$SAMPLE_DATA\Big Class.jmp" );
dt_copy = dt << Subset( All rows, Selected columns only( 0 ) );
```

Justin

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