abbreviated prompt

zsh/abbr_pwd

@@ -0,0 +1,41 @@
+#!/bin/zsh
+
+function felix_pwd_abbr {
+	base_pwd=$PWD
+	tilda_notation=${base_pwd//$HOME/\~}
+	pwd_list=(${(s:/:)tilda_notation})
+	list_len=${#pwd_list}
+
+	if [[ $list_len -le 1 ]]; then
+		echo $tilda_notation
+		return
+	fi
+
+	if [[ ${pwd_list[1]} != '~' ]]; then
+		formed_pwd='/'
+	fi
+
+	firstchar=$(echo ${pwd_list[1]} | cut -c1)
+	if [[ $firstchar == '.' ]] ; then
+		firstchar=$(echo ${pwd_list[1]} | cut -c1,2)
+	fi
+
+	formed_pwd=${formed_pwd}$firstchar
+
+	for ((i=2; i <= $list_len; i++)) do
+		if [[ $i != ${list_len} ]]; then
+
+			firstchar=$(echo ${pwd_list[$i]} | cut -c1)
+			if [[ $firstchar == '.' ]] ; then
+				firstchar=$(echo ${pwd_list[$i]} | cut -c1,2)
+			fi
+
+			formed_pwd=${formed_pwd}/$firstchar
+		else
+			formed_pwd=${formed_pwd}/${pwd_list[$i]}
+		fi
+	done
+
+	echo $formed_pwd
+	return
+}