bg2.glue.result

uedambp:GlueLang ueda$ ./glue -v hoge.glue 
+ pid 90998 fork a
+ pid 91000 fork 
+ pid 91000 exec line 3 /bin/echo
+ pid 91001 fork 
+ pid 91001 exec line 2 /bin/sleep
a
+ pid 91000 exit 0
+ pid 91001 exit 0
+ pid 91002 fork 
+ pid 91003 fork 
+ pid 91002 exec line 2 /bin/echo
+ pid 91003 exec line 2 /usr/bin/rev
+ pid 91002 exit 0
cba
+ pid 91003 exit 0
+ pid 90999 exit 0
+ pid 90998 wait done
+ pid 91004 fork 
+ pid 91004 exec line 5 /bin/echo
b
+ pid 91004 exit 0