sequencer - fix sqr::log output not seen in additinal pipe output

sequencer.sh

@@ -411,7 +411,7 @@ USAGE_API
     local newline='\n'
     local col_end=
     col_end="$(col off)"
-    local outp='/dev/stdout'
+    local outerr=0
 
     local log_level="${1:-}"
     shift
@@ -428,7 +428,8 @@ USAGE_API
       case "${arg}" in
         a) appendText=1 ;;
         d) direct=1 ;;
-        e) outp='/dev/stderr' ;;
+        e) outerr=1 
+          exec 8>&1 9>&2 >&2;;
         n) newline='' ;;
         *) ;;
       esac
@@ -441,30 +442,32 @@ USAGE_API
     local log_line=""
 
     while IFS=$'\n' read -r log_line ; do
-      printf '%b' "${log_color}" >${outp}
+      printf '%b' "${log_color}"
       if ! (( direct )) ; then
         if [[ -n "${LOG_TIME}" ]] ; then
           if (( appendText )) ; then
-            printf '%19s' "" >${outp}
+            printf '%19s' ""
           else
-            printf '%s' "$(date +"%Y-%m-%d %H:%M:%S")" >${outp}
+            printf '%s' "$(date +"%Y-%m-%d %H:%M:%S")"
           fi
         fi
 
         if (( ! appendText )) ; then
-          printf " %3s " "[${log_level}]" >${outp}
-          printf "%s" "${log_line}" >${outp}
+          printf " %3s " "[${log_level}]"
+          printf "%s" "${log_line}"
         else
           # +4 : " [] "
-          printf "%$((${#log_level} + 4))s%s" "" "${log_line}" >${outp}
+          printf "%$((${#log_level} + 4))s%s" "" "${log_line}"
         fi
       else
         # direct output
         printf '%s' "${log_line}"
       fi
 
-      printf '%b'"${newline}" "${col_end}" >${outp}
+      printf '%b'"${newline}" "${col_end}"
     done <<< "${@:-}"
+    (( outerr )) && exec 1>&8 2>&9
+    return 0
     sqr::debugContinue
   }