Hello world! I'm /usr/local/bin/index.sh and I can run shit like ls -lah /etc:

total 192K   
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 .
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 ..
-rw-r--r--    1 root     root           7 May 29  2020 alpine-release
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 apk
drwxr-xr-x    3 root     root        4.0K Oct  5  2020 ca-certificates
-rw-r--r--    1 root     root        5.5K Jun 18  2020 ca-certificates.conf
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 conf.d
drwxr-xr-x    2 root     root        4.0K May 29  2020 crontabs
-rw-r--r--    1 root     root          89 May 28  2020 fstab
-rw-r--r--    1 root     root         729 Oct  5  2020 group
-rw-r--r--    1 root     root         720 Oct  5  2020 group-
-rw-r--r--    1 root     root          13 Jan 22 19:26 hostname
-rw-r--r--    1 root     root         172 Jan 22 19:26 hosts
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 init.d
-rw-r--r--    1 root     root         570 May 28  2020 inittab
-rw-r--r--    1 root     root        1.7K Feb  9  2020 inputrc
-rw-r--r--    1 root     root          54 May 29  2020 issue
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 logrotate.d
drwxr-xr-x    2 root     root        4.0K May 29  2020 modprobe.d
-rw-r--r--    1 root     root          15 May 28  2020 modules
drwxr-xr-x    2 root     root        4.0K May 29  2020 modules-load.d
-rw-r--r--    1 root     root         283 May 28  2020 motd
lrwxrwxrwx    1 root     root          12 Oct  5  2020 mtab -> /proc/mounts
drwxr-xr-x    8 root     root        4.0K May 29  2020 network
drwxr-xr-x    1 root     root        4.0K Oct  5  2020 nginx
drwxr-xr-x    2 root     root        4.0K May 29  2020 opt
-rw-r--r--    1 root     root         164 May 29  2020 os-release
-rw-r--r--    1 root     root        1.3K Oct  5  2020 passwd
-rw-r--r--    1 root     root        1.2K Oct  5  2020 passwd-
drwxr-xr-x    7 root     root        4.0K May 29  2020 periodic
-rw-r--r--    1 root     root         238 May 28  2020 profile
drwxr-xr-x    2 root     root        4.0K May 29  2020 profile.d
-rw-r--r--    1 root     root        1.8K May 28  2020 protocols
-rw-r--r--    1 root     root         325 Jan 22 19:26 resolv.conf
-rw-r--r--    1 root     root          65 May 22  2020 securetty
-rw-r--r--    1 root     root       14.1K May 28  2020 services
-rw-r-----    1 root     shadow       479 Oct  5  2020 shadow
-rw-r-----    1 root     shadow       449 Oct  5  2020 shadow-
-rw-r--r--    1 root     root          48 Oct  5  2020 shells
drwxr-xr-x    1 root     root        4.0K May 29  2020 ssl
-rw-r--r--    1 root     root          53 May 28  2020 sysctl.conf
drwxr-xr-x    2 root     root        4.0K May 29  2020 sysctl.d
drwxr-xr-x   13 root     root        4.0K Oct  5  2020 terminfo
-rw-r--r--    1 root     root        5.2K May 22  2020 udhcpd.conf

Or run tail /var/log/nginx/access-log with tail-access-log.sh.

Here's a script curl'ing example.com: example.sh.

And here's a script with a simple for loop:

ARR=("kurwa" "mac" "ja" "pierdole")
for a in ${ARR[@]}; do
	echo "$a"
done

See it in action!