+ctof() {
+ units "tempC($1)" tempF
+}
+
+ftoc() {
+ units "tempF($1)" tempC
+}
+
+# local icecast
+localic() {
+ local mod=false
+ cedit live /p/c/machine_specific/vps/filesystem/var/lib/bind/db.iankelling.org <<'EOF' || mod=true
+live CNAME b8.nz.
+EOF
+ if $mod; then
+ ip=$(ip r show default | sed -r 's/.*src ([^ ]*).*/\1/' | head -n1)
+ if [[ ! $ip ]] && timeout 1 ping -c 1 $ip; then
+ echo "error: failed to get ip: $ip" >&2
+ exit 1
+ fi
+ cat >/p/c/cmc-firewall-data-http <<EOF
+http_ip=$ip
+EOF
+ bindpush
+ wrt-setup
+ fi
+ web-conf -e ian@iankelling.org -f 8000 - apache2 live.iankelling.org <<'EOF'
+<Location "/fsf.webm">
+AuthType Basic
+AuthName "basic_auth"
+# created with
+# htpasswd -c icecast-fsf-htpasswd USERNAME
+AuthUserFile "/etc/icecast-fsf-htpasswd"
+Require valid-user
+</Location>
+<Location "/fsf-tech.webm">
+AuthType Basic
+AuthName "basic_auth"
+AuthUserFile "/etc/icecast-fsf-tech-htpasswd"
+Require valid-user
+</Location>
+EOF
+ s cat /etc/letsencrypt/live/live.iankelling.org/{fullchain,privkey}.pem | s dd of=/etc/icecast2/fullchainpluskey.pem
+ ser start icecast2
+}
+# li icecast
+liic() {
+ cedit live /p/c/machine_specific/vps/filesystem/var/lib/bind/db.iankelling.org <<'EOF' || bindpush
+live A 72.14.176.105
+ AAAA 2600:3c00::f03c:91ff:fe6d:baf8
+EOF
+}
+# icecast rm -r
+icrmr() {
+ find /var/icecast -type f -delete
+ ssh li.b8.nz find /var/icecast -type f -delete
+}
+
+
+# obs screen switching of
+obof() {
+ ls -l /tmp/no-obs-auto-scene-switch
+ touch /tmp/no-obs-auto-scene-switch
+}
+# obs screen switching on
+obon() {
+ ls -l /tmp/no-obs-auto-scene-switch
+ if [[ -e /tmp/no-obs-auto-scene-switch ]]; then
+ rm -f /tmp/no-obs-auto-scene-switch
+ fi
+}
+
+obs-gen-profiles() {
+ local p=/p/c/basic/profiles
+ sed 's/fsf-sysops/fsf-tech/g' $p/fsfsysops/basic.ini >$p/fsftech/basic.ini
+ sed 's/fsf-sysops/fsf/g' $p/fsfsysops/basic.ini >$p/fsf/basic.ini
+}
+
+# terminal clear. like clear, but put the prompt at the bottom,
+# useful for obs streaming the bottom half of a terminal window.
+tclear() {
+ for ((i=0; i<COLUMNS; i++)); do
+ echo
+ done
+}
+
+opensslcertinfo() {
+ openssl x509 -txt -in "$@"
+}
+
+# dsh on btrbk hosts
+dsb() {
+ :
+}
+
+# dsh a file and run it
+dsa() {
+ local ret file
+ if ! parallel -j 10 scp x {}:/tmp <~/.dsh/group/btrbk; then
+ echo parallel scp failed. dsa returning $ret
+ fi
+ dsh -g btrbk
+}
+
+# temporary
+zmqsend() {
+ /nocow/t/ffmpeg-release/ffmpeg-7.0.1/tools/zmqsend "$@"
+}
+
+ffg() { /nocow/t/ffmpeg-release/ffmpeg-7.0.1/tools/graph2dot -o /tmp/g.tmp && dot -Tpng /tmp/g.tmp -o /tmp/g.png && feh /tmp/g.png; }
+
+firefox-hide-tabs() {
+
+ # without this, make tabs smaller by setting browser.uidensity 1 in about:config
+
+ profiledir=$1
+ [[ $1 ]] || return 1
+ # Related: the sidebery extension is useful.
+
+ # This is from
+ # https://raw.githubusercontent.com/MrOtherGuy/firefox-csshacks/master/chrome/hide_tabs_toolbar.css
+
+ ainsl $profiledir/chrome/userChrome.css '#TabsToolbar{ visibility: collapse !important }'
+
+}
+
+# kill lease on cmc
+klease() {
+ local tmpdir ret out
+ ret=0
+ out=$(ssh cmc dnsmasq-end-lease "$1" 2>&1) || ret=1
+ printf "%s\n" "$out"
+ if [[ $out == *"try diffing"* ]]; then
+ tmpdir=$(mktemp -d)
+ m scp cmc:/tmp/dhcp.leases cmc:/tmp/dhcp.leases.iank $tmpdir
+ m diff $tmpdir/dhcp.leases $tmpdir/dhcp.leases.iank ||:
+ rm -rf $tmpdir
+ fi
+ return $ret
+}
+
+# ffs and switch the bash history on this terminal.
+# disabled because I don't really need this and
+# the history switching is annoying for debugging.
+#
+# ffs() {
+# local last
+# last="${*: -1}"
+# if [[ $last && $last != -* && $last != sysops ]]; then
+# his
+# fi
+# command ffs "$@"
+# }
+
+i3gen() {
+ /b/ds/i3-sway/gen
+}
+
+
+# insensitive find plus edit
+ife() {
+ local tmps found_count i char file
+ local -a found_files
+ local -A button_file
+ tmps=$(ifn "$@")
+ mapfile -t found_files <<<"$tmps"
+ found_count=${#found_files[@]}
+ if (( ${#found_files[@]} == 1 )); then
+ m g ${found_files[0]}
+ else
+ i=0
+ for button in {a..z}; do
+ button_file[$button]="${found_files[$i]}"
+ echo $button: ${found_files[$i]}
+ i=$(( i + 1 ))
+ if (( i >= found_count )); then
+ break
+ fi
+ done
+ read -rsN1 -t 5 char ||:
+ file="${button_file[$char]}"
+
+ if [[ $file ]]; then
+ g "$file"
+ else
+ echo "no selection"
+ fi
+ fi
+}
+
+