busybox/shell/ash_test/ash-heredoc/heredoc_backslash1.tests

71 lines
1.4 KiB
Plaintext
Raw Normal View History

# Test for correct handling of backslashes.
# Note that some lines in each heredoc start with a tab.
a=qwerty
echo Quoted heredoc:
cat <<"EOF1"
a\
b
a\\
b
123456 -$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
123456 `echo v'-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-'`
123456 $(echo v'-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-')
c\
EOF1
echo
echo Unquoted heredoc:
cat <<EOF2
a\
b
a\\
b
123456 -$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
123456 `echo v'-$a-\t-\\-\"-\x-\`-\--\z-\*-\?-'`
123456 $(echo v'-$a-\t-\\-\"-\x-\`-\--\z-\*-\?-')
c\
EOF2
EOF2
echo
echo Quoted -heredoc:
cat <<-"EOF3"
a\
b
a\\
b
123456 -$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
123456 `echo v'-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-'`
123456 $(echo v'-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-')
c\
EOF3
# In -heredoc case the marker is detected even if it is indented.
echo
echo Unquoted -heredoc:
cat <<-EOF4
a\
b
a\\
b
123456 -$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
-$a-\t-\\-\"-\'-\`-\--\z-\*-\?-
123456 `echo v'-$a-\t-\\-\"-\x-\`-\--\z-\*-\?-'`
123456 $(echo v'-$a-\t-\\-\"-\x-\`-\--\z-\*-\?-')
c\
EOF4
EOF4
# The marker is not detected if preceding line ends in backslash.
# TODO: marker should be detected even if it is split by line continuation:
# EOF\
# 4
# but currently hush doesn't do it. (Tab before "4" is not allowed, though.)
echo
echo "Done: $?"