archlinux - Modify or configure output of linux command in bash -


currently learning bash scripting. so, wanted know how can modify output of linux command. specific, entered command , after pressing enter, every line should start '->' or symbol. e.g: in arch-linux, when use pacman or yaourt install packages, "==>" "->" "::" proceeding information. want output similar that.

not sure trying but… looking such as:

function pprint() {   echo "==> " $1 }

which can use such in scripts:

pprint "hey there"

to output following:

===> hey there

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