Zeros in front of a filling line

I need fill a string with zeros on the left.  Example: 2 002, 4F would be 04F.  I'm trying to cushion just a string, I am on the format string and I tried x 03%, but this does not work.  Any suggestions?

The easiest way that comes to mind is to use a loop for iteration and concatenate zeros for each 'empty space' calculated by the length of the final string - length of the input string.  Then concatenate it with the original string.

For example, here's something I wrote real quick.  There is probably a more elegant solution, but it should be a good starting point:

PadZeros.VI

EDIT:

The foregoing does not care what is the original input string.  If you want a more specific hexadecimal, then you can use something with the string of Format in:

Hex.VI padded

The important part of this VI is the format string of "%". 03 x  The first '0' said Pad entry with zeros.  The '3' tells you the length of the final string (all the channels below that length will be 0 characters to pad the length requested).  The 'x' said you that it is in hexadecimal.

EDIT 2:

The reason '03 x %' is not a value with the String data type entered is because by default the Format to a string with the string type data use %0 to designate padded spaces.  Either convert your string to a numeric data type and use the format, or even just use a loop for as I suggested originally.

Tags: NI Software

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