[fzf-tmux] Fix #204 - Escape command substitution

bin/fzf-tmux

@@ -122,11 +122,11 @@ mkfifo $fifo2
 mkfifo $fifo3
 if [ -n "$term" -o -t 0 ]; then
   tmux set-window-option -q synchronize-panes off \;\
-    split-window $opt "cd $(printf %q "$PWD");$envs"' bash -c "'$fzf' $(cat '$argsf') > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
+    split-window $opt "cd $(printf %q "$PWD");$envs"' bash -c "'$fzf' \$(cat '$argsf') > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
 else
   mkfifo $fifo1
   tmux set-window-option -q synchronize-panes off \;\
-    split-window $opt "$envs"' bash -c "'$fzf' $(cat '$argsf') < '$fifo1' > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
+    split-window $opt "$envs"' bash -c "'$fzf' \$(cat '$argsf') < '$fifo1' > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
   cat <&0 > $fifo1 &
 fi
 cat $fifo2