linux - Wrap/overwrite function in Bash -

linux - Wrap/overwrite function in Bash -

how rewrite echo print character before pass it?

i thinking not work:

alias oldecho=echo echo(){oldecho ==> $1}

close.

echo() { builtin echo "==>" "$@"; }

builtin forces rest of command executed builtin, simplifies reimplementing builtins.

your problem, though, not quoting >.

linux bash shell