How to concisely concatenate strings in Tcl?

Question

I can easily concatenate two variables, foo and bar, as follows in Tcl: \"${foo}${bar}\".

However, if I don\'t want to put an intermediate result into a variable, how ca

Answer 1

just write it as a word with no extra spaces:

[myFoo $arg][myBar $arg]

Tcl sees this as a single word after substitution, regardless of the result of the two subcommands.