update function and scripts

files/.config/zsh/custom/100-alias.zsh

@@ -2,10 +2,7 @@ alias svim="sudo -e"
 alias vissh="$EDITOR ~/.ssh/config"
 alias vihosts="sudo -e /etc/hosts"
 
-if type htop >/dev/null; then
 alias top="htop"
-fi
-
 alias http-server="python -m http.server"
 alias rename="perl-rename"
 

files/.config/zsh/custom/101-function.zsh

@@ -1,19 +1,22 @@
+# edit alias
 vialias() {
 	$EDITOR $ZSH_CUSTOM/100-alias.zsh
 	source $ZSH_CUSTOM/100-alias.zsh
 }
 
+# edit function
 vifunction() {
 	$EDITOR $ZSH_CUSTOM/101-function.zsh
 	source $ZSH_CUSTOM/101-function.zsh
 }
 
+# scan network
 nmap-libvirt() {
     __nmap_iface 'virbr[0-9]+' $@
 }
 
 nmap-tun() {
-    __nmap_iface 'tun[0-9]+' $@
+    __nmap_iface '(tun|tap)[0-9]+' $@
 }
 
 nmap-local() {
@@ -34,3 +37,8 @@ __nmap_iface() {
     printf "Scanning %s\n" "$addr"
     nmap $opt $addr_list
 }
+
+# calculator
+\=() {
+   bc -l <<<"$*"
+}

files/.local/bin/lsiommu

@@ -0,0 +1,8 @@
+#!/bin/bash
+shopt -s nullglob
+for d in /sys/kernel/iommu_groups/*/devices/*; do 
+    n=${d#*/iommu_groups/*}; n=${n%%/*}
+    printf 'IOMMU Group %s ' "$n"
+    lspci -nns "${d##*/}"
+done;
+