1 before exec1.sub: one two three
4 after exec1.sub with args: 0
6 after exec1.sub without args: 0
7 ./execscript: line 20: notthere: command not found
9 /tmp/bash: notthere: No such file or directory
11 /bin/sh: /bin/sh: cannot execute binary file
13 ./execscript: line 39: /: Is a directory
17 ./execscript: line 46: .: /: is a directory
22 ./exec3.sub: line 3: /tmp/bash-notthere: No such file or directory
24 ./execscript: line 70: notthere: No such file or directory
26 ./execscript: line 73: notthere: No such file or directory
28 ./execscript: line 76: notthere: command not found
35 ./exec5.sub: line 4: exec: bash-notthere: not found