RE: RFE String interpolation for RPG

I understand the thought behind this but you're asking the next programmer to decipher a completely foreign (to them) syntax.
I do, however, use a named constant (QT) for quotes like yours, but I think that's pretty mainstream.

I really don't understand the difficulty being expressed over concatenation.

dcl-s MyVar char(10);

MyVar = 'Some Value';
MyString = 'This is a string with '
+ MyVar
+ ' concatenated in';

You can use %editc() for numerics.





-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Alan Campin
Sent: Wednesday, October 20, 2021 10:03 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: RFE String interpolation for RPG

Maybe not as clean but works fine. I build all SQL strings using %ScanRpl.

dcl-c QUOTE '''';
dcl-c PLUS '+';

SqlStmt = 'Select ~Q~P~Q~, 1 ~P~ 2 +
from FileA';
SqlStmt = %ScanRpl('~Q~':QUOTE:SqlStmt);
SqlStmt = %ScanRpl('~P~':PLUS:SqlStmt
Select 'P', 1 + 2 From Filea



On Wed, Oct 20, 2021 at 9:00 AM Peter Dow <petercdow@xxxxxxxxx> wrote:

Not exactly. This does it all in one statement; with %scanrpl you would
have to do it once for each variable you want to replace, then print the
resulting string.

myString = 'I have {apples} apples and {bananas} bananas';
myString = %scanrpl('{apples}' : %char(apples) : myString);
myString = %scanrpl('{bananas}' : %char(bananas) : myString);
print myString;

On 10/20/2021 8:53 AM, Alan Campin wrote:

Isn't that exactly what %ScanRpl does?

On Wed, Oct 20, 2021 at 8:27 AM Justin Taylor<jtaylor.0ab@xxxxxxxxx>

wrote:

Description:

Add string interpolation support so variables can be inserted into

string

literals without having to use concatenation with + symbols and multiple
literals.

For example:

apples = 4

bananas = 3

print(f"I have {apples} apples and {bananas} bananas")

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