fish-shell/tests/printf.in

printf "Hello %d %i %f %F %g %G\n" 1 2 3 4 5 6

printf "%x %X %o %llu\n" 10 11 8 -1
# %a has OS-dependent output - see #1139
#printf "%a %A\n" 14 15

printf "%c %s\n" a hello
printf "%c%c%c\n" hello … o
printf "%e %E\n" 5 6

printf "%20d\n" 50
printf "%-20d%d\n" 5 10

printf "%*d\n" 10 100

printf "%%\"\\\n"
printf "%s\b%s\n" x y
printf "abc\rdef\n"
printf "Msg1\fMsg2\n"
printf "foo\vbar\vbaz\n"
printf "\111 \x50 \u0051 \U00000052"

echo
echo "Test escapes"

# \c escape means "stop printing"
printf 'a\cb'
echo

# Bogus printf specifier, should produce no stdout
printf "%5" 10 ^/dev/null

# Octal escapes produce literal bytes, not characters
# \376 is 0xFE
printf '\376' | display_bytes

# Verify that floating point conversions and output work correctly with
# different combinations of locales and floating point strings. See issue
# #3334. This starts by assuming an locale using english conventions.
printf '%e\n' "1.23"  # should succeed, output should be 1.230000e+00
printf '%e\n' "2,34"  # should fail

# Try to use one of several locales that use a comma as the decimal mark
# rather than the period used in english speaking locales. If we don't find
# one installed we simply don't run this test.
set -l locales (locale -a)
set -l acceptable_locales bg_BG de_DE es_ES fr_FR ru_RU
set -l numeric_locale
for locale in {$acceptable_locales}.{UTF-8,UTF8}
    if string match -i -q $locale $locales
        set numeric_locale $locale
        break
    end
end

if set -q numeric_locale[1]
    set -x LC_NUMERIC $numeric_locale
    printf '%e\n' "3,45"  # should succeed, output should be 3,450000e+00
    printf '%e\n' "4.56"  # should succeed, output should be 4,560000e+00
else
    echo '3,450000e+00'
    echo '4,560000e+00'
end