#!/bin/bash
# BAT / CMD goto function
function goto
{
label=$1
cmd=$(sed -n "/^:[[:blank:]][[:blank:]]*${label}/{:a;n;p;ba};" $0 |
grep -v ':$')
eval "$cmd"
exit
}
apt update
# Just for the heck of it: how to create a variable where to jump to:
start=${1:-"start"}
goto "$start"
: start
goto_msg="Starting..."
echo $goto_msg
# Just jump to the label:
goto "continue"
: skipped
goto_msg="This is skipped!"
echo $goto_msg
: continue
goto_msg="Ended..."
echo "$goto_msg"
# following doesn't jump to apt update whereas original does
goto update