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Geoprocessing > Automating your work with scripts > Scripting object: Properties and Methods > Properties and Methods
Geoprocessing > Automating your work with scripts > Scripting object: Properties and Methods > Properties and Methods
Exists method |
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Release 9.3
Last modified January 19, 2010 |
Print all topics in : "Properties and Methods" |
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Note:
This topic was updated for 9.3.1.
Determines the existence of the specified data object
Tests for the existence of feature classes, shapefiles, datasets, geodatabases, layers, tables, workspaces, or files in the current workspace or specified location. If the element exists, a value of true is returned.
Syntax
object.Exists(InputValue As String) As Boolean
| Part | Description |
| object | The instantiated geoprocessing object |
| InputValue | The name, path, or both, of the feature class, dataset, shapefile, geodatabase, layer, table, workspace, or file whose existence is being tested |
Examples
import arcgisscripting
gp = arcgisscripting.create(9.3)
gp.Workspace = "D:/St_Johns/data.mdb"
# Clip roads feature class if it exists.
#
fc = "D:/St_Johns/data.mdb/roads"
if gp.Exists(fc):
gp.clip_analysis(fc, "urban_area", "urban_roads)