80-emacs.zsh: check existence of emacsclient first

1 files changed, 25 insertions, 23 deletions

diff --git a/_zsh/80-emacs.zsh b/_zsh/80-emacs.zsh
index 8ccd100..27966b9 100644
--- a/_zsh/80-emacs.zsh
+++ b/_zsh/80-emacs.zsh
@@ -7,33 +7,35 @@
 # 2016-02-21
 #
 
-function _emacsclient() {
-    # Get list of available X windows.
-    X=`emacsclient --alternate-editor '' --eval '(x-display-list)' 2>/dev/null`
+if exists emacsclient; then
+    function _emacsclient() {
+        # Get list of available X windows.
+        X=`emacsclient --alternate-editor '' --eval '(x-display-list)' 2>/dev/null`
 
-    if [ -z "$X" ] || [ "$X" = "nil" ]; then
-        # Create one if there is no X window yet.
-        command emacsclient --alternate-editor "" --create-frame "$@"
-    else
-        # Prevent creating another X frame if there is at least one present.
-        command emacsclient --alternate-editor "" "$@"
-    fi
-}
+        if [ -z "$X" ] || [ "$X" = "nil" ]; then
+            # Create one if there is no X window yet.
+            command emacsclient --alternate-editor "" --create-frame "$@"
+        else
+            # Prevent creating another X frame if there is at least one present.
+            command emacsclient --alternate-editor "" "$@"
+        fi
+    }
 
-# Write to stdout the path to the file opened in the current buffer
-function efile() {
-    local cmd="(buffer-file-name (window-buffer))"
-    _emacsclient --eval "$cmd" | tr -d '"'
-}
+    # Write to stdout the path to the file opened in the current buffer
+    function efile() {
+        local cmd="(buffer-file-name (window-buffer))"
+        _emacsclient --eval "$cmd" | tr -d '"'
+    }
 
-# Same as 'M-x eval' but outside of Emacs
-alias eeval='_emacsclient --eval'
-# Create a new X frame
-alias eframe='_emacsclient --create-frame --no-wait'
+    # Same as 'M-x eval' but outside of Emacs
+    alias eeval='_emacsclient --eval'
+    # Create a new X frame
+    alias eframe='_emacsclient --create-frame --no-wait'
 
-alias emacs='_emacsclient -t'
-alias e=emacs
-alias ef=eframe
+    alias emacs='_emacsclient -t'
+    alias e=emacs
+    alias ef=eframe
+fi  # end "exists emacsclient"
 
 
 # vim: set ts=8 sw=4 tw=0 fenc=utf-8 ft=zsh: #