tests/execscript

   1 export LC_ALL=C
   2 export LANG=C
   3
   4 set -- one two three
   5 echo before exec1.sub: "$@"
   6 echo calling exec1.sub
   7 ./exec1.sub aa bb cc dd ee
   8 echo after exec1.sub with args: $?
   9 ./exec1.sub
  10 echo after exec1.sub without args: $?
  11
  12 # set up a fixed path so we know notthere will not be found
  13 PATH=/usr/bin:/bin:/usr/local/bin:
  14 export PATH
  15
  16 notthere
  17 echo $?
  18
  19 # this is iffy, since the error messages may vary from system to system
  20 ${THIS_SH} notthere
  21 echo $?
  22
  23 # /bin/sh should be there on all systems
  24 ${THIS_SH} /bin/sh
  25 echo $?
  26
  27 # try executing a directory
  28 /
  29 echo $?
  30
  31 ${THIS_SH} /
  32 echo $?
  33
  34 # try sourcing a directory
  35 . /
  36 echo $?
  37
  38 # try sourcing a binary file -- post-2.04 versions don't do the binary file
  39 # check, and will probably fail with `command not found', or status 127
  40 . ${THIS_SH} 2>/dev/null
  41 echo $?
  42
  43 . /dev/null
  44 echo $?
  45
  46 # kill two birds with one test -- test out the BASH_ENV code
  47 echo echo this is bashenv > /tmp/bashenv
  48 export BASH_ENV=/tmp/bashenv
  49 ${THIS_SH} ./exec3.sub
  50 rm -f /tmp/bashenv
  51 unset BASH_ENV
  52
  53 # we're resetting the $PATH to empty, so this should be last
  54 PATH=
  55
  56 notthere
  57 echo $?
  58
  59 command notthere
  60 echo $?
  61
  62 command -p notthere
  63 echo $?
  64
  65 # but -p should guarantee that we find all the standard utilities, even
  66 # with an empty or unset $PATH
  67 command -p sh -c 'echo this is $0'
  68 unset PATH
  69 command -p sh -c 'echo this is $0'
  70
  71 # a bug in bash before bash-2.01 caused PATH to be set to the empty string
  72 # when command -p was run with PATH unset
  73 echo ${PATH-unset}
  74
  75 echo "echo ok" | ${THIS_SH} -t
  76
  77 ${THIS_SH} ./exec2.sub
  78 echo $?
  79
  80 ${THIS_SH} ./exec4.sub
  81
  82 # try exec'ing a command that cannot be found in $PATH
  83 ${THIS_SH} ./exec5.sub
  84
  85 # this was a bug in bash versions before bash-2.04
  86 ${THIS_SH} -c 'cat </dev/null | cat >/dev/null' >&-
  87
  88 # checks for proper return values in subshell commands with inverted return
  89 # values
  90
  91 ${THIS_SH} ./exec6.sub