before exec1.sub: one two three
calling exec1.sub
aa bb cc dd ee
after exec1.sub with args: 0

after exec1.sub without args: 0
./execscript: line 20: notthere: command not found
127
notthere: notthere: No such file or directory
127
/bin/sh: /bin/sh: cannot execute binary file
126
./execscript: line 32: /: is a directory
126
/: /: cannot execute binary file
126
./execscript: line 39: .: /: is a directory
1
127
0
this is bashenv
./exec3.sub: line 3: /tmp/bash-notthere: No such file or directory
./exec3.sub: line 3: exec: /tmp/bash-notthere: cannot execute: No such file or directory
126
./execscript: line 61: notthere: No such file or directory
127
./execscript: line 64: notthere: No such file or directory
127
./execscript: line 67: notthere: No such file or directory
127
this is sh
this is sh
unset
ok
5
./exec5.sub: line 4: exec: bash-notthere: not found
127
this is ohio-state
0
1
1
0
42
42
0
1
1
0
0
1
0
1