Add a space after ">" redirection

android/show_tasks.sh

@@ -12,7 +12,7 @@ dump=$(adb shell dumpsys activity)
 line_begin=$(echo "$dump" | grep -P -m 1 -n "^\s*TaskRecord.*$1" | grep -P -o "^\d+")
 
 i=1
-while [ "$line_begin" -eq "$line_begin" ] 2>/dev/null; do
+while [ "$line_begin" -eq "$line_begin" ] 2> /dev/null; do
     # Remove all lines before the first match.
     dump_tail=$(echo "$dump" | tail -n +$line_begin)
 
@@ -22,7 +22,7 @@ while [ "$line_begin" -eq "$line_begin" ] 2>/dev/null; do
     # Get the line number of the match after the first match.
     line_end=$(echo "$dump_tail1" | grep -P -m 1 -n "^\s*TaskRecord" | grep -P -o "^\d+")
 
-    if [ "$line_end" -eq "$line_end" ] 2>/dev/null; then
+    if [ "$line_end" -eq "$line_end" ] 2> /dev/null; then
         # Remove all lines after and including the second match.
         dump_head=$(echo "$dump_tail" | head -n $line_end)
     else