zsh/rc: tab on empty input lists all files in the directory

diff --git a/zsh/rc b/zsh/rc
index b6c359c8f577c58ec1274013b6c55fc9139a7aa1..201e17c13a5ed103ffdb67e65c9e9b03e53430ea 100644 (file)
--- a/zsh/rc
+++ b/zsh/rc
@@ -635,10 +635,26 @@ autoload -Uz compinit && compinit -d ~/.zsh/cache/zcompdump
 zstyle ':completion:*' use-cache yes
 zstyle ':completion:*' cache-path ~/.zsh/cache
 
+# List all files in the current directory when pressing tab on an empty input,
+# behave like complete-word otherwise. Thanks to John Eikenberry [1] for the
+# code, read on 2014-03-15.
+#
+# [1]: http://unix.stackexchange.com/a/32426
+complete-word-or-complete-list-of-files() {
+    if [[ $#BUFFER == 0 ]]; then
+        BUFFER='ls '
+        CURSOR=3
+        zle list-choices
+        zle backward-kill-word
+    else
+        zle complete-word
+    fi
+}
+zle -N complete-word-or-complete-list-of-files
 # Let the completion system handle all completions, including expanding of
 # shell wildcards (which is handled by other shell mechanisms if the default
 # expand-or-complete is used).
-bindkey '^I' complete-word
+bindkey '^I' complete-word-or-complete-list-of-files
 # If there are multiple matches after pressing <Tab> always display them
 # immediately without requiring another <Tab>. a<Tab> completes to aa and
 # lists aaa, aab, aac as possible completions if the directory contains aaa,