$LstFld - Revision history

JAL: loopvar length is 16 like in ZFIELD

2018-07-03T16:32:17Z

loopvar length is 16 like in ZFIELD

← Older revision		Revision as of 16:32, 3 July 2018
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	<p>		<p>
	The <var>$LstFld</var> function returns to an [[Images\|image]] the field names (in alphabetical order) and the field descriptions of each field in a file. <var>$LstFld</var> requires a prepared image into which <var class="product">Model 204</var> can store the field description. </p>		The <var>$LstFld</var> function returns to an [[Images\|image]] the field names (in alphabetical order) and the field descriptions of each field in a file. <var>$LstFld</var> requires a prepared image into which <var class="product">Model 204</var> can store the field description. That image must be or match the [[#Locating the ZFIELD image\|ZFIELD image described below]]. </p>
	<p>		<p>
	<var>$LstFld</var> works only for files (not groups). </p>		<var>$LstFld</var> works only for files (not groups). </p>
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	<tr><th>loopvar</th>		<tr><th>loopvar</th>
	<td>This required argument is the loop variable of the image. You must initialize the loop variable (as in the sample image shown with the <var>$FDef</var> function) before invoking <var>$LstFld</var>. The value returned in <var class="term">loopvar</var> is used the next time <var>$LstFld</var> is invoked to retrieve subsequent field names.		<td>This required argument, a string of length 16, matches the loop variable of the ZFIELD image. The argument value must be an image item that is at its proper location (as defined in ZFIELD) in the <var class="term">imagename </var> image.
			<p>
			You must initialize the loop variable (as in the sample image shown with the <var>$FDef</var> function) before invoking <var>$LstFld</var>. The value returned in <var class="term">loopvar</var> is used the next time <var>$LstFld</var> is invoked to retrieve subsequent field names.
			</p>
	<p class="note"><b>Note:</b> Changing any of the loop control information in the <var>$LstFld</var> loop variable after the image is initialized is not allowed; it might cause the run to snap. </p></td></tr>		<p class="note"><b>Note:</b> Changing any of the loop control information in the <var>$LstFld</var> loop variable after the image is initialized is not allowed; it might cause the run to snap. </p></td></tr>
	</table>		</table>
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	==Locating the ZFIELD image==		==Locating the ZFIELD image==
	<p>		<p>
	~~An image is required by the~~ <var>$LstFld</var> function~~. The~~ [[ZFIELD image]], provided with the <var class="product">Model 204</var> installation~~, can give you~~ complete field attribute information (as described in [[$FDef#$FDef\|$FDef]]). </p>		The <var>$LstFld</var> function references the format of the [[ZFIELD image]], which is provided with the <var class="product">Model 204</var> installation. The ZFIELD image describes complete field attribute information (as described in [[$FDef#$FDef\|$FDef]]). </p>
	<p>		<p>
	The size of the name field for the ZFIELD image is 255 bytes. </p>		The size of the name field for the ZFIELD image is 255 bytes. </p>

JAL: misc cleanup

2018-06-15T18:09:49Z

misc cleanup

Show changes

DCameron at 08:43, 14 June 2018

2018-06-14T08:43:12Z

← Older revision		Revision as of 08:43, 14 June 2018
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	<tr>		<tr>
	<td>z/OS</td>		<td>z/OS</td>
	<td>The JCL library</td>		<td>V7.5 and later: The distributed macro library <br>Pre-V7.5: The distributed JCL library </td>
	</tr>		</tr>
	<tr>		<tr>

DCameron at 08:41, 14 June 2018

2018-06-14T08:41:02Z

← Older revision		Revision as of 08:41, 14 June 2018
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	<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>		<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>
	<b>Locating the ZFIELD image</b>		<b>Locating the ZFIELD image</b>
	<p>An image is required by the $FDef and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>		<p>An image is required by the $FDef and $LSTFLD functions. The [[ZFIELD image]] is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>
	<table>		<table>
	<tr class="head">		<tr class="head">

DCameron at 08:30, 14 June 2018

2018-06-14T08:30:41Z

← Older revision		Revision as of 08:30, 14 June 2018
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	<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>		<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>
	<b>Locating the ZFIELD image</b>		<b>Locating the ZFIELD image</b>
	<p>An image is required by the $FDef and $LSTFLD functions. The [[ZFIELD~~\|ZFIELD_image]]~~ image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>		<p>An image is required by the $FDef and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>
	<table>		<table>
	<tr class="head">		<tr class="head">

DCameron at 08:29, 14 June 2018

2018-06-14T08:29:03Z

← Older revision		Revision as of 08:29, 14 June 2018
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	<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>		<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>
	<b>Locating the ZFIELD image</b>		<b>Locating the ZFIELD image</b>
	<p>An image is required by the $FDef and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>		<p>An image is required by the $FDef and $LSTFLD functions. The [[ZFIELD\|ZFIELD_image]] image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>
	<table>		<table>
	<tr class="head">		<tr class="head">

Mlarocca at 13:39, 1 August 2014

2014-08-01T13:39:36Z

← Older revision		Revision as of 13:39, 1 August 2014
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	<li>imagename (required) is the name of the image where the information is to return.</li>		<li>imagename (required) is the name of the image where the information is to return.</li>
	</li>		</li>
	<li>loopvar (required) is the loop variable of the image. You must initialize the loop variable (as in the sample image shown with the $~~Fdef~~ function) before invoking $LSTFLD. The value returned in loopvar is used the next time $LSTFLD is invoked to retrieve subsequent field names. </li>		<li>loopvar (required) is the loop variable of the image. You must initialize the loop variable (as in the sample image shown with the $FDef function) before invoking $LSTFLD. The value returned in loopvar is used the next time $LSTFLD is invoked to retrieve subsequent field names. </li>
	</li>		</li>
	</ul>		</ul>
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	<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>		<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>
	<b>Locating the ZFIELD image</b>		<b>Locating the ZFIELD image</b>
	<p>An image is required by the $~~Fdef~~ and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$~~Fdef~~#$~~Fdef~~\|$~~Fdef~~]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>		<p>An image is required by the $FDef and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$FDef#$FDef\|$FDef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>
	<table>		<table>
	<tr class="head">		<tr class="head">
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	BEGIN		BEGIN
	<b></b>*		<b></b>*
	<b></b>* include ZFIELD IMAGE as defined for $~~Fdef~~ *		<b></b>* include ZFIELD IMAGE as defined for $FDef *
	<b></b>*		<b></b>*
	PRINT 'DFIELDS STARTS'		PRINT 'DFIELDS STARTS'

Mlarocca at 13:37, 1 August 2014

2014-08-01T13:37:35Z

← Older revision		Revision as of 13:37, 1 August 2014
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	<li>imagename (required) is the name of the image where the information is to return.</li>		<li>imagename (required) is the name of the image where the information is to return.</li>
	</li>		</li>
	<li>loopvar (required) is the loop variable of the image. You must initialize the loop variable (as in the sample image shown with the $~~FDEF~~ function) before invoking $LSTFLD. The value returned in loopvar is used the next time $LSTFLD is invoked to retrieve subsequent field names. </li>		<li>loopvar (required) is the loop variable of the image. You must initialize the loop variable (as in the sample image shown with the $Fdef function) before invoking $LSTFLD. The value returned in loopvar is used the next time $LSTFLD is invoked to retrieve subsequent field names. </li>
	</li>		</li>
	</ul>		</ul>
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	<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>		<p>Like $LSTPROC, changing any of the loop control information in the $LSTFLD loop variable after the image is initialized is not allowed and might cause the run to snap.</p>
	<b>Locating the ZFIELD image</b>		<b>Locating the ZFIELD image</b>
	<p>An image is required by the $~~FDEF~~ and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$~~FDEF~~#$~~FDEF~~\|$~~FDEF~~]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>		<p>An image is required by the $Fdef and $LSTFLD functions. The ZFIELD image is provided with the <var class="product">Model 204</var> installation. It can give you complete field attribute information; see the discussion on [[$Fdef#$Fdef\|$Fdef]]. The size of the name field for the ZFIELD image is 255 bytes. The location of ZFIELD for your site is listed in this table: </p>
	<table>		<table>
	<tr class="head">		<tr class="head">
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	BEGIN		BEGIN
	<b></b>*		<b></b>*
	<b></b>* include ZFIELD IMAGE as defined for $~~FDEF~~ *		<b></b>* include ZFIELD IMAGE as defined for $Fdef *
	<b></b>*		<b></b>*
	PRINT 'DFIELDS STARTS'		PRINT 'DFIELDS STARTS'

Mlarocca: Mlarocca moved page $LSTFLD to $LstFld: Lower case change

2014-07-28T20:09:12Z

Mlarocca moved page $LSTFLD to $LstFld: Lower case change

← Older revision	Revision as of 20:09, 28 July 2014
(No difference)

ELowell at 21:12, 30 April 2014

2014-04-30T21:12:49Z

← Older revision		Revision as of 21:12, 30 April 2014
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	<p>The $LSTFLD function returns field names in alphabetical order and the field description for each field in a file into an image. $LSTFLD requires that you have an image prepared with which <var class="product">Model 204</var> can create the field description. </p>		<p>The $LSTFLD function returns field names in alphabetical order and the field description for each field in a file into an image. $LSTFLD requires that you have an image prepared with which <var class="product">Model 204</var> can create the field description. $LSTFLD works only for files (not groups).</p>
	<b>Syntax</b>		<b>Syntax</b>
	<p>The format for the $LSTFLD function is:</p>		<p>The format for the $LSTFLD function is:</p>