diff --git a/.tmux.conf b/.tmux.conf
index de663d0..be2cecd 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -252,9 +252,9 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #     *Darwin*)
 #       while IFS= read -r line; do
 #         if [ x"$discharging" != x"true" ]; then
-#           discharging=$(echo "$line" | grep -qi "discharging" && echo "true" || echo "false")
+#           discharging=$(printf '%s' "$line" | grep -qi "discharging" && echo "true" || echo "false")
 #         fi
-#         percentage=$(echo "$line" | grep -E -o '[0-9]+%')
+#         percentage=$(printf '%s' "$line" | grep -E -o '[0-9]+%')
 #         charge=$(awk -v charge="$charge" -v percentage="${percentage%%%}" 'BEGIN { print charge + percentage / 100 }')
 #         count=$((count + 1))
 #       done  << EOF
@@ -285,9 +285,9 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #       while IFS= read -r line; do
 #         [ -z "$line" ] && continue
 #         if [ x"$discharging" != x"true" ]; then
-#           discharging=$(echo "$line" | awk '{ s = ($1 == 1) ? "true" : "false"; print s }')
+#           discharging=$(printf '%s' "$line" | awk '{ s = ($1 == 1) ? "true" : "false"; print s }')
 #         fi
-#         charge=$(echo "$line" | awk -v charge="$charge" '{ print charge + $2 / 100 }')
+#         charge=$(printf '%s' "$line" | awk -v charge="$charge" '{ print charge + $2 / 100 }')
 #         count=$((count + 1))
 #       done  << EOF
 # $(wmic path Win32_Battery get BatteryStatus, EstimatedChargeRemaining | tr -d '\r' | tail -n +2)
@@ -624,13 +624,13 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   tmux_conf_new_window_retain_current_path=${tmux_conf_new_window_retain_current_path:-false}
 #   while IFS= read -r line; do
 #     [ -z "$line" ] && continue
-#     left=$(echo "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
+#     left=$(printf '%s' "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
 #     if _is_enabled "$tmux_conf_new_window_retain_current_path"; then
-#       right=$(echo "$line" | cut -c"$column-" | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/new-window$/new-window -c "#{pane_current_path}"/g')
+#       right=$(printf '%s' "$line" | cut -c"$column-" | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/new-window$/new-window -c "#{pane_current_path}"/g')
 #     else
-#       right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/-c[ \t]+"#\{pane_current_path\}"$//g')
+#       right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/-c[ \t]+"#\{pane_current_path\}"$//g')
 #     fi
-#     eval "tmux $left $right"
+#     eval "tmux $left $right" 2>/dev/null || true
 #   done  << EOF
 # $(tmux list-keys 2>/dev/null | grep -e 'new-window\(\s\+-c\s\+"#{pane_current_path}\|$\)')
 # EOF
@@ -638,13 +638,13 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   tmux_conf_new_pane_retain_current_path=${tmux_conf_new_pane_retain_current_path:-true}
 #   while IFS= read -r line; do
 #     [ -z "$line" ] && continue
-#     left=$(echo "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
+#     left=$(printf '%s' "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
 #     if _is_enabled "$tmux_conf_new_pane_retain_current_path"; then
-#       right=$(echo "$line" | cut -c"$column-" | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/split-window([ \t]+-(h|v))?$/& -c "#{pane_current_path}"/g')
+#       right=$(printf '%s' "$line" | cut -c"$column-" | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/split-window([ \t]+-(h|v))?$/& -c "#{pane_current_path}"/g')
 #     else
-#       right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/-c[ \t]+"#\{pane_current_path\}"$//g')
+#       right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/-c[ \t]+"#\{pane_current_path\}"$//g')
 #     fi
-#     eval "tmux $left $right"
+#     eval "tmux $left $right" 2>/dev/null || true
 #   done  << EOF
 # $(tmux list-keys 2>/dev/null | grep -e 'split\(-\|_\)window')
 # EOF
@@ -652,13 +652,13 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   tmux_conf_new_pane_reconnect_ssh=${tmux_conf_new_pane_reconnect_ssh:-false}
 #   while IFS= read -r line; do
 #     [ -z "$line" ] && continue
-#     left=$(echo "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
+#     left=$(printf '%s' "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
 #     if _is_enabled "$tmux_conf_new_pane_reconnect_ssh"; then
-#       right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/split-window([^;]+)/run-shell "cut -c3- ~\/\.tmux\.conf | sh -s _split_window #{pane_tty}\1"/g')
+#       right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/split-window([^;]+)/run-shell "cut -c3- ~\/\.tmux\.conf | sh -s _split_window #{pane_tty}\1"/g')
 #     else
-#       right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/run-shell "cut -c3- ~\/\.tmux\.conf \| sh -s _split_window #\{pane_tty\}([^;]+)"/split-window\1/g' -e 's/#\{.+\}/\"&\"/g')
+#       right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/run-shell "cut -c3- ~\/\.tmux\.conf \| sh -s _split_window #\{pane_tty\}([^;]+)"/split-window\1/g' -e 's/#\{.+\}/\"&\"/g')
 #     fi
-#     eval "tmux $left $right"
+#     eval "tmux $left $right" 2>/dev/null || true
 #   done  << EOF
 # $(tmux list-keys 2>/dev/null | grep -e 'split\(-\|_\)window')
 # EOF
@@ -666,13 +666,13 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   tmux_conf_new_session_prompt=${tmux_conf_new_session_prompt:-false}
 #   while IFS= read -r line; do
 #     [ -z "$line" ] && continue
-#     left=$(echo "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
+#     left=$(printf '%s' "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
 #     if _is_enabled "$tmux_conf_new_session_prompt"; then
-#       right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/new-session$/command-prompt -p new-session \"new-session -s %%\"/g')
+#       right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e 's/new-session$/command-prompt -p new-session \"new-session -s %%\"/g')
 #     else
-#       right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }'| sed -E -e 's/command-prompt -p new-session[^;]+/new-session/g')
+#       right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }'| sed -E -e 's/command-prompt -p new-session[^;]+/new-session/g')
 #     fi
-#     eval "tmux $left $right"
+#     eval "tmux $left $right" 2>/dev/null || true
 #   done  << EOF
 # $(tmux list-keys 2>/dev/null | grep -e 'new-session')
 # EOF
@@ -685,25 +685,28 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   command -v clip.exe > /dev/null 2>&1 && command='clip\.exe'
 #   [ -c /dev/clipboard ] && command='cat > \/dev\/clipboard'
 #
-#   # shellcheck disable=SC2086
-#   for table in "" "-t emacs-copy" "-t vi-copy"; do
-#     line=$(tmux list-keys $table 2>/dev/null | grep -e 'copy-selection\|copy-pipe' | head -1)
-#     prefix=${line%copy-*}
-#     column=${#prefix}
-#
-#     while IFS= read -r line; do
+#   if [ -n "$command" ]; then
+#     # shellcheck disable=SC2086
+#     for table in "" "-t emacs-copy" "-t vi-copy"; do
+#       line=$(tmux list-keys $table 2>/dev/null | grep -e 'copy-selection\|copy-pipe' | head -1)
+#       prefix=${line%copy-*}
+#       column=${#prefix}
 #       [ -z "$line" ] && continue
-#       left=$(echo "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
-#       if _is_enabled "$tmux_conf_copy_to_os_clipboard"; then
-#         right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e "s/copy-selection(-and-cancel)?$/copy-pipe\1 \"$command\"/g")
-#       else
-#         right=$(echo "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e "s/copy-pipe(-and-cancel)? \"$command\"$/copy-selection\1/g")
-#       fi
-#       eval "tmux $left $right"
-#     done  << EOF
+#
+#       while IFS= read -r line; do
+#         [ -z "$line" ] && continue
+#         left=$(printf '%s' "$line" | cut -c-"$column" | sed -E -e 's/[^ \ta-zA-Z0-9,._+@%/-]/\\&/g')
+#         if _is_enabled "$tmux_conf_copy_to_os_clipboard"; then
+#           right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e "s/copy-selection(-and-cancel)?$/copy-pipe\1 \"$command\"/g")
+#         else
+#           right=$(printf '%s' "$line" | cut -c"$column"- | awk -F'\"' 'BEGIN { OFS = FS } { for (i = 1; i <= NF; i+=2) { gsub(/#{.+}/, "\"&\"", $i) } print }' | sed -E -e "s/copy-pipe(-and-cancel)? \"$command\"$/copy-selection\1/g")
+#         fi
+#         eval "tmux $left $right" 2>/dev/null || true
+#       done  << EOF
 # $(tmux list-keys $table 2>/dev/null | grep -e 'copy-selection\|copy-pipe')
 # EOF
-#   done
+#     done
+#  fi
 # }
 #
 # _apply_theme() {