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add print -f option, %n format specifier and tests for print/printf (15973)

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Oliver Kiddle 2001-10-08 10:47:46 +00:00
parent 0ca8bb74f0
commit 648d1c2756
7 changed files with 250 additions and 91 deletions
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12
Doc/Zsh/builtins.yo
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@ -638,7 +638,8 @@ If the tt(PUSHD_MINUS) option is set, the meanings of `tt(PLUS())' and
`tt(-)' in this context are swapped.
)
findex(print)
item(tt(print) [ tt(-bnrslzpNDPoOicm) ] [ tt(-u)var(n) ] [ tt(-R) [ tt(-en) ]] [ var(arg) ... ])(
item(tt(print) [ tt(-bnrslzpNDPoOicm) ] [ tt(-u)var(n) ] [ tt(-f) var(format) ] [ tt(-R) [ tt(-en) ]] [ var(arg) ... ])(
With the `tt(-f)' option the arguments are printed as described by tt(printf).
With no flags or with flag `tt(-)', the arguments are printed on
the standard output as described by tt(echo), with the following differences:
the escape sequence `tt(\M-)var(x)' metafies the character
@ -715,19 +716,24 @@ ifnzman(noderef(Prompt Expansion))\
).
)
enditem()
If any of `tt(-m)', `tt(-o)' or `tt(-O)' are used in combination with
`tt(-f)' and there are no arguments (after the removal process in the
case of `tt(-m)') then nothing is printed.
)
findex(printf)
item(tt(printf) var(format) [ var(arg) ... ])(
Print the arguments according to the format specification. Formatting
rules are the same as used in C. The same escape sequences as for tt(echo)
are recognised in the format. All C format specifications ending in one of
csdiouxXeEfgG are handled. In addition to this, `tt(%b)' can be used
csdiouxXeEfgGn are handled. In addition to this, `tt(%b)' can be used
instead of `tt(%s)' to cause escape sequences in the argument to be
recognised and `tt(%q)' can be used to quote the argument in such a way
that allows it to be reused as shell input. With the numeric format
specifiers, if the corresponding argument starts with a quote character,
the numeric value of the following character is used as the number to
print.
print. With `tt(%n)', the corresponding argument is taken as an identifier
which is created as an integer parameter.
If arguments remain unused after formatting, the format string is reused
until all arguments have been consumed. If more arguments are required by