fixed #9, fixed #7

penv

@@ -7,7 +7,7 @@
 # Issues:
 # when uninstalling, remove any jupyter specs. iterate through envs in .env, call jspec remove name.
 
-VERSION=1
+VERSION=2
 
 
 usage() {
@@ -131,7 +131,12 @@ list(){
         echo "PENV not initialized. Run \"penv init\""
         exit 8
     fi
-    ls "$HOME"/.envs
+    arr=$(ls "$HOME"/.envs)
+    str=""
+    for i in ${arr[@]}; do
+        str+="${i}_Py $("$HOME"/.envs/"$i"/bin/python -V | cut -d " " -f 2 | cut -d "." -f 1-2 )\n"
+    done
+    printf "$str" | column -t -N "Name,Version" -s "_"
 }
 
 install() {
@@ -140,7 +145,7 @@ install() {
         exit 10
     fi
     mkdir -p "$HOME/.local/bin"
-    cp $(realpath "$0") "$HOME"/.local/bin/
+    cp -T $(realpath "$0") "$HOME"/.local/bin/penv
     mkdir -p "$HOME"/.envs/
     echo "
     pact () {
@@ -215,15 +220,17 @@ update(){
     fi
 
     if [ -x "$(command -v curl)" ]; then
-        curl "https://git.pvnweb.dedyn.io/phanipavank/jbomb/raw/branch/master/penv" -o "$HOME/.local/bin/penv"
+        curl "https://git.pvnweb.dedyn.io/phanipavank/jbomb/raw/branch/master/penv" -o "$HOME/.local/bin/penv.temp"
     elif [ -x "$(command -v wget)" ]; then
-        wget -o "$HOME/.local/bin/penv" "https://git.pvnweb.dedyn.io/phanipavank/jbomb/raw/branch/master/penv"
+        wget -o "$HOME/.local/bin/penv.temp" "https://git.pvnweb.dedyn.io/phanipavank/jbomb/raw/branch/master/penv"
     else
         echo Curl or wget not found. Install either one to update penv.
     fi
-    chmod +x "$HOME/.local/bin/penv"
+    chmod +x "$HOME/.local/bin/penv.temp"
+    "$HOME/.local/bin/penv.temp" install
+    rm "$HOME/.local/bin/penv.temp"
     sleep 0.5
-    newVer=$(grep VERSION "$HOME/.local/bin/penv" | cut -d '=' -f 2)
+    newVer=$(grep ^VERSION= "$HOME/.local/bin/penv" | cut -d '=' -f 2)
     echo "PENV updated from $VERSION to $newVer"
     exit 0
 }