[Refactor] Add missing backslash for dots

Related: #1279, 2a2b8bd, cadbbce

README.markdown

@@ -74,7 +74,7 @@ wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh |
 
 ```sh
 export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
+[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm
 ```
 
 You can customize the install source, directory, profile, and version using the `NVM_SOURCE`, `NVM_DIR`, `PROFILE`, and `NODE_VERSION` variables.
@@ -124,7 +124,7 @@ Add these lines to your `~/.bashrc`, `~/.profile`, or `~/.zshrc` file to have it
 
 ```sh
 export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
+[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm
 ```
 
 ### Manual upgrade

install.sh

@@ -331,7 +331,7 @@ nvm_do_install() {
 
   # Source nvm
   # shellcheck source=/dev/null
-  . "${INSTALL_DIR}/nvm.sh"
+  \. "${INSTALL_DIR}/nvm.sh"
 
   nvm_check_global_modules
 

update_test_mocks.sh

@@ -9,7 +9,7 @@ MOCKS_DIR="$PWD/test/fast/Unit tests/mocks"
 echo "creating $MOCKS_DIR"
 mkdir -p "$MOCKS_DIR"
 
-. "$NVM_DIR/nvm.sh" --no-use
+\. "$NVM_DIR/nvm.sh" --no-use
 nvm deactivate 2> /dev/null
 nvm_is_version_installed() {
   return 1