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Operators and Keywords

Function List:

C++ API

: val = PS4 ()
: old_val = PS4 (new_val)
: PS4 (new_val, "local")

Query or set the character string used to prefix output produced when echoing commands is enabled.

The default value is "+ ". See ‘Diary and Echo Commands’, for a description of echoing commands.

When called from inside a function with the "local" option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function.

See also: echo, echo_executing_commands, PS1, PS2.

Package: octave