Add bunch of functions to zsh

.zsh-custom/functions.zsh

@@ -0,0 +1,67 @@
+# start/attach tmux session
+# use function in .zshrc to attach at every login
+autotmux()
+{
+	if [ -z "$TMUX" ]; then
+		# get the id of a deattached session
+		ID="`tmux ls | grep -vm1 attached | cut -d: -f1`"
+		if [ -z "$ID" ]; then
+			tmux new-session
+		else
+			tmux attach-session -t "$ID"
+		fi
+	fi 
+}
+
+checkpem()
+{
+	openssl x509 -in "$1" -noout -text
+}
+checkcert()
+{
+	openssl s_client -connect "$1":443 2>/dev/null
+}
+
+# works only without tex-ending
+tex2pdf()
+{
+	pdflatex "$1"
+	bibtex "$1"
+	pdflatex "$1"
+	pdflatex "$1"
+}
+
+startx()
+{
+	nohup startx "$@" > /dev/null 2>&1 &
+	disown
+	vlock
+}
+
+# generate qrcode and display it
+qrcode()
+{
+	qrencode "$1" -o - | feh -
+}
+
+ogg2mp3()
+{
+	for file in *ogg; do
+		ffmpeg -i $file -b:a 192k -map_metadata 0:s:a:0 "${file%.*}.mp3"
+	done
+}
+m4a2mp3()
+{
+	for file in *m4a; do
+		ffmpeg -i $file -b:a 192k -map_metadata 0:s:a:0 "${file%.*}.mp3"
+	done
+}
+
+# show the current mode:
+#PR_VIMODE="#"
+#function zle-keymap-select
+#{
+#        PR_VIMODE="${${KEYMAP/vicmd/¢}/(main|viins)/$}"
+#	zle reset-prompt
+#}
+#zle -N zle-keymap-select