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|
%test
print 'single quotes' "double quotes" `echo backquotes`
0:Simple use of quotes
>single quotes double quotes backquotes
foo=text
print -r '$foo\\\' "$foo\$foo\\\"\``echo bar`\`\"" `print -r $foo\\\``
0:Quoting inside quotes
>$foo\\\ text$foo\"`bar`" text`
print -r $'\'ut queant laxis\'\n"resonare fibris"'
0:$'-style quotes
>'ut queant laxis'
>"resonare fibris"
print -r $'\'a \\\' is \'a backslash\' is \'a \\\''
0:$'-style quotes with backslashed backslashes
>'a \' is 'a backslash' is 'a \'
chars=$(print -r $'BS\\MBS\M-\\')
for (( i = 1; i <= $#chars; i++ )); do
char=$chars[$i]
print $(( [#16] #char ))
done
0:$'-style quote with metafied backslash
>16#42
>16#53
>16#5C
>16#4D
>16#42
>16#53
>16#DC
print -r ''''
setopt rcquotes
# We need to set rcquotes here for the next example since it is
# needed while parsing.
0:No RC_QUOTES with single quotes
>
print -r ''''
unsetopt rcquotes
0:Yes RC_QUOTES with single quotes
>'
# ' Deconfuse Emacs quoting rules
print '<\u0041>'
printf '%s\n' $'<\u0042>'
print '<\u0043>'
printf '%s\n' $'<\u0044>'
0:\u in both print and printf
><A>
><B>
><C>
><D>
null1="$(print -r a$'b\0c'd)"
null2="$(setopt posixstrings; print -r a$'b\0c'd)"
for string in $null1 $null2; do
print ":"
for (( i = 1; i <= $#string; i++ )); do
char=$string[$i]
print $(( [#16] #char ))
done
done
0:Embedded null characters in $'...' strings.
>:
>16#61
>16#62
>16#0
>16#63
>16#64
>:
>16#61
>16#62
>16#64
() { print $# } '' "" $''
0:$'' should not be elided, in common with other empty quotes
>3
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