AS_File_exists ( myPath ; result_field )
verifies if a file or directory exists and return a value to a global field (macOS/OSX only)
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Thomas Siebert - Show more from this author
AS_File_exists ( "/Users/username/Downloads/test.zip" ; TableName::GlobalFieldName )
if file exists 1 will be returned to a global field.
otherwise 0 will be returned.
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
returns 1 if a file or directory exists
otherwise 0 will be returned
result_field should be a standard text field of the current table or any global field
at least one record is required in a table to return a value to a global field
there is no way writing a result of an AppleScript directly into a FileMaker variable if using the common FileMaker function "perform AppleScript"
U shall use a standard POSIX path or a common FileMaker paths like:
"filemac:" & Get ( DesktopPath ) & "file.csv"
The script removes prefixes like "filemac:" or the name of the start volume like "/Macintosh HD/" from the path automatically.
Use the ScriptStep "Perform AppleScript" using the option "Calculated AppleScript"
You also shall use "Perform AppleScript" directly from a button.
Apr 23, 2017
a global field for returning the result will be referenced directly
Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.