Reads input from the user terminal into the SIB.
PROC command prompts the user for input and reads this input into an input buffer. It uses the secondary input buffer (SIB): setting it as active, clearing it, then receiving input into it. IN
removes blanks within the input string. IBN
retains blanks within the input string.
Commonly, user input placed in the secondary input buffer is use by the P
In Caché MultiValue, the IN
commands are identical.
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