ADVANCED.md: Remove unnecessary : | fzf

See 5b52833

ADVANCED.md

@@ -1,8 +1,8 @@
 Advanced fzf examples
 ======================
 
-* *Last update: 2024/06/06*
-* *Requires fzf 0.53.0 or later*
+* *Last update: 2024/06/24*
+* *Requires fzf 0.54.0 or later*
 
 ---
 
@@ -361,7 +361,7 @@ projects, and it will free up memory as you narrow down the results.
 # 3. Open the file in Vim
 RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
 INITIAL_QUERY="${*:-}"
-: | fzf --ansi --disabled --query "$INITIAL_QUERY" \
+fzf --ansi --disabled --query "$INITIAL_QUERY" \
     --bind "start:reload:$RG_PREFIX {q}" \
     --bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
     --delimiter : \
@@ -372,11 +372,9 @@ INITIAL_QUERY="${*:-}"
 
 ![image](https://user-images.githubusercontent.com/700826/113684212-f9ff0a00-96ff-11eb-8737-7bb571d320cc.png)
 
-- Instead of starting fzf in the usual `rg ... | fzf` form, we start fzf with
-  an empty input (`: | fzf`), then we make it start the initial Ripgrep
-  process immediately via `start:reload` binding. This way, fzf owns the
-  initial Ripgrep process so it can kill it on the next `reload`. Otherwise,
-  the process will keep running in the background.
+- Instead of starting fzf in the usual `rg ... | fzf` form, we make it start
+  the initial Ripgrep process immediately via `start:reload` binding for the
+  consistency of the code.
 - Filtering is no longer a responsibility of fzf; hence `--disabled`
 - `{q}` in the reload command evaluates to the query string on fzf prompt.
 - `sleep 0.1` in the reload command is for "debouncing". This small delay will
@@ -400,7 +398,7 @@ fzf-only search mode by *"unbinding"* `reload` action from `change` event.
 # 3. Open the file in Vim
 RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
 INITIAL_QUERY="${*:-}"
-: | fzf --ansi --disabled --query "$INITIAL_QUERY" \
+fzf --ansi --disabled --query "$INITIAL_QUERY" \
     --bind "start:reload:$RG_PREFIX {q}" \
     --bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
     --bind "alt-enter:unbind(change,alt-enter)+change-prompt(2. fzf> )+enable-search+clear-query" \
@@ -444,7 +442,7 @@ CTRL-F.
 rm -f /tmp/rg-fzf-{r,f}
 RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
 INITIAL_QUERY="${*:-}"
-: | fzf --ansi --disabled --query "$INITIAL_QUERY" \
+fzf --ansi --disabled --query "$INITIAL_QUERY" \
     --bind "start:reload($RG_PREFIX {q})+unbind(ctrl-r)" \
     --bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
     --bind "ctrl-f:unbind(change,ctrl-f)+change-prompt(2. fzf> )+enable-search+rebind(ctrl-r)+transform-query(echo {q} > /tmp/rg-fzf-r; cat /tmp/rg-fzf-f)" \
@@ -487,7 +485,7 @@ prevent immediate evaluation.
 rm -f /tmp/rg-fzf-{r,f}
 RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
 INITIAL_QUERY="${*:-}"
-: | fzf --ansi --disabled --query "$INITIAL_QUERY" \
+fzf --ansi --disabled --query "$INITIAL_QUERY" \
     --bind "start:reload:$RG_PREFIX {q}" \
     --bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
     --bind 'ctrl-t:transform:[[ ! $FZF_PROMPT =~ ripgrep ]] &&
@@ -527,7 +525,7 @@ Kubernetes pods.
 
 ```bash
 pods() {
-  : | command='kubectl get pods --all-namespaces' fzf \
+  command='kubectl get pods --all-namespaces' fzf \
     --info=inline --layout=reverse --header-lines=1 \
     --prompt "$(kubectl config current-context | sed 's/-context$//')> " \
     --header $'╱ Enter (kubectl exec) ╱ CTRL-O (open log in editor) ╱ CTRL-R (reload) ╱\n\n' \