Updated Examples (markdown)

Examples.md

@@ -1283,26 +1283,44 @@ uninstall() {
 ```
 ### DNF
 
-```sh
-# Fuzzy search the available DNF packages and install the selected package/s.
-dnfzf-install() { 
-    dnf repoquery -Cq --queryformat '%{name}' | 
-    fzf --multi \
-        --with-nth=1 \
-        --preview-window 'right,65%,wrap' \
-        --preview 'dnf -C --quiet info {1}' | xargs -ro sudo dnf install
-}
-```
+Interactively Install, Remove and Search DNF packages via fzf
 
 ```sh
-# List all the packages then remove or uninstall the selected package/s.
-dnfzf-remove() {
-    rpm -qa --qf '%{NAME}\n' |
-    fzf --multi \
-        --preview-window 'right,65%,wrap' \
-        --preview 'rpm -qa --info {1}' | xargs -ro sudo dnf remove
-}
+
+#!/bin/bash
+
+## [0m...4m] == [Normal, Bold, Dim, Italic, Underlined]
+declare -r esc=$'\033'
+declare -r reset="${esc}[0m"
+declare -r red="${esc}[1m${esc}[31m"
+# for query and preview color consistency change the 34->36 from blue to "glaucous" (color name)
+declare -r blue="${esc}[1m${esc}[34m"
+
+DNF_INS_QRY="dnf -Cq repoquery --qf '${blue}%{name}'"
+DNF_RMV_QRY="dnf -Cq repoquery --qf '${red}%{name}'"
+DNF_RMV_PRVW="dnf --color=always -Cq --installed info {+}"
+DNF_INS_PRVW="dnf --color=always -Cq info"
+
+# Delete tmp file used to determine install/remove mode
+rm -f /tmp/.dnfzf_rm &> /dev/null
+
+FZF_DEFAULT_COMMAND="$DNF_INS_QRY" \
+    fzf --ansi \
+        --query=$* \
+        --multi \
+        --preview-window="right,65%,wrap" \
+        --preview="$DNF_INS_PRVW {1}" \
+        --prompt="  Install packages > " \
+        --header="<Alt-r> Remove | <Alt-i> Install" \
+        --bind="enter:execute(if [ -f /tmp/.dnfzf_rm ]; then sudo dnf remove {+}; else sudo dnf install {+}; fi; read -n 1 -s -r -p  'Press any key to continue...' && echo)" \
+        --bind="alt-r:unbind(alt-r)+reload($DNF_RMV_QRY --installed)+change-prompt(  Remove packages > )+execute-silent(touch /tmp/.dnfzf_rm)+rebind(alt-i)+change-preview:($DNF_RMV_PRVW {+})" \
+        --bind="alt-i:unbind(alt-i)+reload($DNF_INS_QRY)+change-prompt(  Install packages > )+execute-silent(rm -f /tmp/.dnfzf_rm)+rebind(alt-r)+change-preview:($DNF_INS_PRVW {+})"
+
 ```
+#### Usage:
+<kbd>Alt+i</kbd> to switch on Install mode
+
+<kbd>Alt+u</kbd> to switch on Remove mode 
 
 
 ### v