1 before exec1.sub: one two three
4 after exec1.sub with args: 0
6 after exec1.sub without args: 0
7 after exec1.sub: one two three
8 ./execscript: line 21: notthere: command not found
10 /tmp/bash: notthere: No such file or directory
12 /bin/sh: /bin/sh: cannot execute binary file
14 ./execscript: line 40: /: Is a directory
18 ./execscript: line 47: .: /: is a directory
23 ./exec3.sub: line 3: /tmp/bash-notthere: No such file or directory
25 ./execscript: line 71: notthere: No such file or directory
27 ./execscript: line 74: notthere: No such file or directory
29 ./execscript: line 77: notthere: command not found
36 ./exec5.sub: line 4: exec: bash-notthere: not found