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Subject: [NTG-context] Lua question - table.save, table.load
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From: Jeong Dal via ntg-context <ntg-context@ntg.nl>
Cc: Jeong Dal <haksan@mac.com>
Content-Type: multipart/mixed; boundary="===============8256086283695021607=="


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Dear all,

I save a table =E2=80=9CtfList=E2=80=9D using table.save in Lua:

\startluacode
	...
	table.save(=E2=80=9CtempList.lua=E2=80=9D,tfList)
	...
\stopluacode

And I call it in MetaFun using a method explained in the MetaFun book.

\startMPcode
lua("MP =3D { } MP.data =3D table.load('tempList.lua')") ;
=E2=80=A6
\stopMPcode

However, I found that whenever I save =E2=80=9CtfList=E2=80=9D, table =
contents are appended to the file =E2=80=9CtempList.lua=E2=80=9D at the =
end which cause a trouble.
I want the tempList.lua contains the new table only.
I search the method to do that, but I can=E2=80=99t find it.
The only way is to change the file name each time which is not good to =
make a macro.

Is there a way to clear the contents in the tempList.lua before I save =
another table?

 Thank you for reading.

Best regards,

Dalyoung




--Apple-Mail=_D08E184D-C6B4-4E2E-86DD-85C896A1D933
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	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Dear =
all,<div class=3D""><br class=3D""></div><div class=3D"">I save a table =
=E2=80=9CtfList=E2=80=9D using table.save in Lua:</div><div class=3D""><br=
 class=3D""></div><div class=3D"">\startluacode</div><div class=3D""><span=
 class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>...</div><div class=3D""><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	=
</span>table.save(=E2=80=9CtempList.lua=E2=80=9D,tfList)</div><div =
class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>...</div><div class=3D"">\stopluacode</div><div class=3D""><br =
class=3D""></div><div class=3D"">And I call it in MetaFun using a method =
explained in the MetaFun book.</div><div class=3D""><br =
class=3D""></div><div class=3D"">\startMPcode</div><div class=3D""><div =
style=3D"color: rgb(64, 64, 64); background-color: rgb(255, 255, 255); =
font-family: Menlo, Monaco, &quot;Courier New&quot;, monospace; =
font-size: 14px; line-height: 21px; white-space: pre;" class=3D"">lua<span=
 style=3D"color: rgb(54, 54, 54);" class=3D"">(</span>"MP =3D <span =
style=3D"color: rgb(54, 54, 54);" class=3D"">{</span> <span =
style=3D"color: rgb(54, 54, 54);" class=3D"">}</span> MP.data =3D =
table.load<span style=3D"color: rgb(54, 54, 54);" =
class=3D"">(</span>'tempList.lua'<span style=3D"color: rgb(54, 54, 54);" =
class=3D"">)</span>"<span style=3D"color: rgb(54, 54, 54);" =
class=3D"">)</span> ;</div></div><div style=3D"color: rgb(64, 64, 64); =
background-color: rgb(255, 255, 255); font-family: Menlo, Monaco, =
&quot;Courier New&quot;, monospace; font-size: 14px; line-height: 21px; =
white-space: pre;" class=3D"">=E2=80=A6</div><div =
class=3D"">\stopMPcode</div><div class=3D""><br class=3D""></div><div =
class=3D"">However, I found that whenever I save =E2=80=9CtfList=E2=80=9D,=
 table contents are appended to the file =E2=80=9CtempList.lua=E2=80=9D =
at the end which cause a trouble.</div><div class=3D"">I want the =
tempList.lua contains the new table only.</div><div class=3D"">I search =
the method to do that, but I can=E2=80=99t find it.</div><div =
class=3D"">The only way is to change the file name each time which is =
not good to make a macro.</div><div class=3D""><br class=3D""></div><div =
class=3D"">Is there a way to clear the contents in the tempList.lua =
before I save another table?</div><div class=3D""><br =
class=3D""></div><div class=3D"">&nbsp;Thank you for reading.</div><div =
class=3D""><br class=3D""></div><div class=3D"">Best regards,</div><div =
class=3D""><br class=3D""></div><div class=3D"">Dalyoung</div><div =
class=3D""><br class=3D""></div><div class=3D""><br class=3D""></div><div =
class=3D""><br class=3D""></div></body></html>=

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