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Designer: Using the FILEREAD Instruction

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(VID-DD-0068)

This video gives basic information on Using the FILEREAD "Read File" instruction in the Do-more Designer software. It presents information that is commonly missed by users. This WILL NOT be a complete tutorial for the instruction but rather a supplement to the help file and customer experience.

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This instruction is used to read data from a file and then copy that information to a string or numeric data block. This references a file handle structure, that was created or used when the file was opened with the file open instruction. If the file being read was created by the FILELOG instruction, then the delimiters will be carriage return, line feed This instruction can be used in Task or Program but cannot be used in Subroutines or Interrupt service routines.