LC_ALL=C

# these should output error messages -- the format is required
printf
printf --

# these should output nothing
printf ""
printf -- ""

# this should expand escape sequences in the format string, nothing else
printf "\tone\n"

# this should not cut off output after the \c
printf "one\ctwo\n"

# and unrecognized backslash escapes should have the backslash preserverd
printf "4\.2\n"

printf "no newline " ; printf "now newline\n"

# %% -> %
printf "%%\n"

# simple character output
printf "%c\n" ABCD

# test simple string output
printf "%s\n" unquoted

# test quoted string output
printf "%s %q\n" unquoted quoted
printf "%s%10q\n" unquoted quoted

printf "%q\n" 'this&that'

# make sure the format string is reused to use up arguments
printf "%d " 1 2 3 4 5; printf "\n"

# make sure that extra format characters get null arguments
printf "%s %d %d %d\n" onestring

printf "%s %d %u %4.2f\n" onestring

printf -- "--%s %s--\n" 4.2 ''
printf -- "--%s %s--\n" 4.2

# test %b escapes

# 8 is a non-octal digit, so the `81' should be output
printf -- "--%b--\n" '\n\081'

printf -- "--%b--\n" '\t\0101'
printf -- "--%b--\n" '\t\101'

# these should all display `A7'
echo -e "\1017"
echo -e "\x0417"

printf "%b\n" '\01017'
printf "%b\n" '\1017'
printf "%b\n" '\x0417'

printf -- "--%b--\n" '\"abcd\"'
printf -- "--%b--\n" "\'abcd\'"

printf -- "--%b--\n" 'a\\x'

printf -- "--%b--\n" '\x'

Z1=$(printf -- "%b\n" '\a\b\e\f\r\v')
Z2=$'\a\b\e\f\r\v'

if [ "$Z1" != "$Z2" ]; then
	echo "whoops: printf %b and $'' differ" >&2
fi
unset Z1 Z2

printf -- "--%b--\n" ''
printf -- "--%b--\n"

# the stuff following the \c should be ignored, as well as the rest
# of the format string
printf -- "--%b--\n" '4.2\c5.4\n'; printf "\n"

# make sure that a fieldwidth and precision of `*' are handled right
printf "%10.8s\n" 4.4BSD
printf "%*.*s\n" 10 8 4.4BSD

printf "%10.8q\n" 4.4BSD
printf "%*.*q\n" 10 8 4.4BSD

printf "%6b\n" 4.4BSD
printf "%*b\n" 6 4.4BSD

# we handle this crap with homemade code in printf.def
printf "%10b\n" 4.4BSD
printf -- "--%-10b--\n" 4.4BSD
printf "%4.2b\n" 4.4BSD
printf "%.3b\n" 4.4BSD
printf -- "--%-8b--\n" 4.4BSD

# test numeric conversions -- these four lines should echo identically
printf "%d %u %i 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
printf "%d %u %i %#o %#x %#X\n" 255 255 255 255 255 255

printf "%ld %lu %li 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
printf "%ld %lu %li %#o %#x %#X\n" 255 255 255 255 255 255

printf "%10d\n" 42
printf "%10d\n" -42

printf "%*d\n" 10 42
printf "%*d\n" 10 -42

# test some simple floating point formats
printf "%4.2f\n" 4.2
printf "%#4.2f\n" 4.2
printf "%#4.1f\n" 4.2

printf "%*.*f\n" 4 2 4.2
printf "%#*.*f\n" 4 2 4.2
printf "%#*.*f\n" 4 1 4.2

printf "%E\n" 4.2
printf "%e\n" 4.2
printf "%6.1E\n" 4.2
printf "%6.1e\n" 4.2

printf "%G\n" 4.2
printf "%g\n" 4.2
printf "%6.2G\n" 4.2
printf "%6.2g\n" 4.2

# test some of the more esoteric features of POSIX.1 printf
printf "%d\n" "'string'"
printf "%d\n" '"string"'

printf "%#o\n" "'string'"
printf "%#o\n" '"string"'

printf "%#x\n" "'string'"
printf "%#X\n" '"string"'

printf "%6.2f\n" "'string'"
printf "%6.2f\n" '"string"'

# output from these two lines had better be the same
printf -- "--%6.4s--\n" abcdefghijklmnopqrstuvwxyz
printf -- "--%6.4b--\n" abcdefghijklmnopqrstuvwxyz

# and these two also
printf -- "--%12.10s--\n" abcdefghijklmnopqrstuvwxyz
printf -- "--%12.10b--\n" abcdefghijklmnopqrstuvwxyz

# error messages

# this should be an overflow, but error messages vary between systems
# printf "%lu\n" 4294967296

# ...but we cannot use this because some systems (SunOS4, for example),
# happily ignore overflow conditions in strtol(3)
#printf "%ld\n" 4294967296

# in the future this may mean to put the output into VAR, but for
# now it is an error
printf -v var "%10d" $RANDOM

printf "%10"
printf "ab%Mcd\n"

# this caused an infinite loop in older versions of printf
printf "%y" 0

printf "%d\n" GNU
printf "%o\n" GNU