si pas zshrc message plus complet

README.txt

@@ -11,8 +11,10 @@
 
 SCREEN="$HOME/.screenrc"
 MYSCREEN="$HOME/config/.screenrc"
+
 VIM="$HOME/.vimrc"
 MYVIM="$HOME/config/.vimrc"
+
 ZSH="$HOME/.zshrc"
 MYZSH="$HOME/config/.zshrc"
 
@@ -21,13 +23,15 @@ MYZSH="$HOME/config/.zshrc"
 # action on the .screenrc file
 # -------------------------------------------------------------
 
-if [ -f $SCREEN ];
-then
-	if grep -q '#hugogogo#' $SCREEN;
-	then
-		sed '/#hugogogo#/,/#hugogogo#/d' $SCREEN > $SCREEN.tmp && mv $SCREEN.tmp $SCREEN
+if [ -f $SCREEN ]; then
+	if [ ! -L $SCREEN ]; then
+		if grep -q '#hugogogo#' $SCREEN;
+		then
+			sed '/#hugogogo#/,/#hugogogo#/d' $SCREEN > $SCREEN.tmp
+			mv $SCREEN.tmp $SCREEN
+		fi
+		cat $MYSCREEN >> $SCREEN
 	fi
-	cat $MYSCREEN >> $SCREEN
 else
 	ln -s $MYSCREEN $SCREEN
 fi
@@ -37,13 +41,15 @@ fi
 # action on the .vimrc file
 # -------------------------------------------------------------
 
-if [ -f $VIM ];
-then
-	if grep -q '"hugogogo"' $VIM;
-	then
-		sed '/"hugogogo"/,/"hugogogo"/d' $VIM > $VIM.tmp && mv $VIM.tmp $VIM
+if [ -f $VIM ]; then
+	if [ ! -L $VIM ]; then
+		if grep -q '"hugogogo"' $VIM;
+		then
+			sed '/"hugogogo"/,/"hugogogo"/d' $VIM > $VIM.tmp
+			mv $VIM.tmp $VIM
+		fi
+		cat $MYVIM >> $VIM
 	fi
-	cat $MYVIM >> $VIM
 else
 	ln -s $MYVIM $VIM
 fi
@@ -57,10 +63,16 @@ if [ -f $ZSH ];
 then
 	if grep -q '#hugogogo#' $ZSH;
 	then
-		sed '/#hugogogo#/,/#hugogogo#/d' $ZSH > $ZSH.tmp && mv $ZSH.tmp $ZSH
+		sed '/#hugogogo#/,/#hugogogo#/d' $ZSH > $ZSH.tmp
+		mv $ZSH.tmp $ZSH
 	fi
 	cat $MYZSH >> $ZSH
 else
-	echo "install zsh to run the dynamic title on screen"
+	echo "you don't have a .zshrc file in your \$HOME directory"
+	echo "maybe you should verify if you have zsh :"
+	echo "run 'zsh --version'"
+	echo "and if not, install it, otherwise create a .zshrc file"
+	echo "now run the script README.txt again"
+	echo "to set the dynamic title on screen"
 fi