mirror of https://github.com/n-hys/bash.git
349 lines
8.4 KiB
Plaintext
349 lines
8.4 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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LC_ALL=C
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LC_NUMERIC=C
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unset vv
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# this should expand escape sequences in the format string, nothing else
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printf -v vv "\tone\n"
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printf "%s" "$vv"
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# this should not cut off output after the \c
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printf -v vv "one\ctwo\n"
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printf "%s" "$vv"
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# and unrecognized backslash escapes should have the backslash preserverd
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printf -v vv "4\.2\n"
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printf "%s" "$vv"
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printf -v vv "no newline " ; printf "%s" "$vv" ; printf -v vv "now newline\n"
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printf "%s" "$vv"
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# %% -> %
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printf -v vv "%%\n"
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printf "%s" "$vv"
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# this was a bug caused by pre-processing the string for backslash escapes
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# before doing the `%' format processing -- all versions before bash-2.04
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printf -v vv "\045"
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printf "%s" "$vv"
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echo
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printf -v vv "\045d\n"
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printf "%s" "$vv"
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# simple character output
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printf -v vv "%c\n" ABCD
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printf "%s" "$vv"
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# test simple string output
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printf -v vv "%s\n" unquoted
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printf "%s" "$vv"
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# test quoted string output
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printf -v vv "%s %q\n" unquoted quoted
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printf "%s" "$vv"
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printf -v vv "%s%10q\n" unquoted quoted
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printf "%s" "$vv"
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printf -v vv "%q\n" 'this&that'
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printf "%s" "$vv"
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# make sure the format string is reused to use up arguments
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printf -v vv "%d " 1 2 3 4 5
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printf "%s" "$vv"
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echo
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# make sure that extra format characters get null arguments
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printf -v vv "%s %d %d %d\n" onestring
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printf "%s" "$vv"
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printf -v vv "%s %d %u %4.2f\n" onestring
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printf "%s" "$vv"
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printf -v vv -- "--%s %s--\n" 4.2 ''
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printf "%s" "$vv"
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printf -v vv -- "--%s %s--\n" 4.2
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printf "%s" "$vv"
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# test %b escapes
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# 8 is a non-octal digit, so the `81' should be output
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#printf -v vv -- "--%b--\n" '\n\081'
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#printf "%s" "$vv"
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printf -v vv -- "--%b--\n" '\t\0101'
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printf "%s" "$vv"
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printf -v vv -- "--%b--\n" '\t\101'
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printf "%s" "$vv"
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# these should all display `A7'
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printf -v vv "%b\n" '\01017'
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printf "%s" "$vv"
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printf -v vv "%b\n" '\1017'
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printf "%s" "$vv"
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printf -v vv "%b\n" '\x417'
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printf "%s" "$vv"
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printf -v vv -- "--%b--\n" '\"abcd\"'
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printf "%s" "$vv"
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printf -v vv -- "--%b--\n" "\'abcd\'"
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printf "%s" "$vv"
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printf -v vv -- "--%b--\n" 'a\\x'
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printf "%s" "$vv"
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printf -v vv -- "--%b--\n" '\x'
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printf "%s" "$vv"
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Z1=$(printf -- "%b\n" '\a\b\e\f\r\v')
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Z2=$'\a\b\e\f\r\v'
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if [ "$Z1" != "$Z2" ]; then
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printf "%s" "whoops: printf -v vv %b and $'' differ" >&2
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fi
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unset Z1 Z2
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printf -v vv -- "--%b--\n" ''
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printf "%s" "$vv"
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printf -v vv -- "--%b--\n"
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printf "%s" "$vv"
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# the stuff following the \c should be ignored, as well as the rest
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# of the format string
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printf -v vv -- "--%b--\n" '4.2\c5.4\n'
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printf "%s" "$vv"
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echo
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# unrecognized escape sequences should by displayed unchanged
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printf -v vv -- "--%b--\n" '4\.2'
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printf "%s" "$vv"
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# a bare \ should not be processed as an escape sequence
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printf -v vv -- "--%b--\n" '\'
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printf "%s" "$vv"
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# make sure extra arguments are ignored if the format string doesn't
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# actually use them
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printf -v vv "\n" 4.4 BSD
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printf "%s" "$vv"
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printf -v vv " " 4.4 BSD
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printf "%s" "$vv"
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echo
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# make sure that a fieldwidth and precision of `*' are handled right
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printf -v vv "%10.8s\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%*.*s\n" 10 8 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%10.8q\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%*.*q\n" 10 8 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%6b\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%*b\n" 6 4.4BSD
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printf "%s" "$vv"
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# we handle this crap with homemade code in printf -v vv.def
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printf -v vv "%10b\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv -- "--%-10b--\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%4.2b\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv "%.3b\n" 4.4BSD
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printf "%s" "$vv"
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printf -v vv -- "--%-8b--\n" 4.4BSD
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printf "%s" "$vv"
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# test numeric conversions -- these four lines should printf "%s" identically
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printf -v vv "%d %u %i 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
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printf "%s" "$vv"
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printf -v vv "%d %u %i %#o %#x %#X\n" 255 255 255 255 255 255
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printf "%s" "$vv"
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printf -v vv "%ld %lu %li 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
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printf "%s" "$vv"
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printf -v vv "%ld %lu %li %#o %#x %#X\n" 255 255 255 255 255 255
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printf "%s" "$vv"
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printf -v vv "%10d\n" 42
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printf "%s" "$vv"
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printf -v vv "%10d\n" -42
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printf "%s" "$vv"
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printf -v vv "%*d\n" 10 42
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printf "%s" "$vv"
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printf -v vv "%*d\n" 10 -42
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printf "%s" "$vv"
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# test some simple floating point formats
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printf -v vv "%4.2f\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%#4.2f\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%#4.1f\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%*.*f\n" 4 2 4.2
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printf "%s" "$vv"
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printf -v vv "%#*.*f\n" 4 2 4.2
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printf "%s" "$vv"
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printf -v vv "%#*.*f\n" 4 1 4.2
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printf "%s" "$vv"
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printf -v vv "%E\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%e\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%6.1E\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%6.1e\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%G\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%g\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%6.2G\n" 4.2
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printf "%s" "$vv"
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printf -v vv "%6.2g\n" 4.2
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printf "%s" "$vv"
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# test some of the more esoteric features of POSIX.1 printf -v vv
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printf -v vv "%d\n" "'string'"
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printf "%s" "$vv"
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printf -v vv "%d\n" '"string"'
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printf "%s" "$vv"
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printf -v vv "%#o\n" "'string'"
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printf "%s" "$vv"
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printf -v vv "%#o\n" '"string"'
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printf "%s" "$vv"
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printf -v vv "%#x\n" "'string'"
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printf "%s" "$vv"
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printf -v vv "%#X\n" '"string"'
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printf "%s" "$vv"
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printf -v vv "%6.2f\n" "'string'"
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printf "%s" "$vv"
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printf -v vv "%6.2f\n" '"string"'
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printf "%s" "$vv"
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# output from these two lines had better be the same
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printf -v vv -- "--%6.4s--\n" abcdefghijklmnopqrstuvwxyz
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printf "%s" "$vv"
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printf -v vv -- "--%6.4b--\n" abcdefghijklmnopqrstuvwxyz
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printf "%s" "$vv"
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# and these two also
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printf -v vv -- "--%12.10s--\n" abcdefghijklmnopqrstuvwxyz
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printf "%s" "$vv"
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printf -v vv -- "--%12.10b--\n" abcdefghijklmnopqrstuvwxyz
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printf "%s" "$vv"
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# tests for translating \' to ' and \\ to \
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# printf -v vv translates \' to ' in the format string...
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printf -v vv "\'abcd\'\n"
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printf "%s" "$vv"
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# but not when the %b format specification is used
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printf -v vv "%b\n" \\\'abcd\\\'
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printf "%s" "$vv"
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# but both translate \\ to \
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printf -v vv '\\abcd\\\n'
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printf "%s" "$vv"
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printf -v vv "%b\n" '\\abcd\\'
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printf "%s" "$vv"
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# this was reported as a bug in bash-2.03
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# these three lines should all printf "%s" `26'
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printf -v vv "%d\n" 0x1a
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printf "%s" "$vv"
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printf -v vv "%d\n" 032
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printf "%s" "$vv"
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printf -v vv "%d\n" 26
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printf "%s" "$vv"
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# error messages
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# this should be an overflow, but error messages vary between systems
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# printf -v vv "%lu\n" 4294967296
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# ...but we cannot use this because some systems (SunOS4, for example),
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# happily ignore overflow conditions in strtol(3)
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#printf -v vv "%ld\n" 4294967296
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printf -v vv "%10"
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printf -v vv "ab%Mcd\n"
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# this caused an infinite loop in older versions of printf -v vv
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printf -v vv "%y" 0
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# these should print a warning and `0', according to POSIX.2
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printf -v vv "%d\n" GNU
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printf "%s" "$vv"
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printf -v vv "%o\n" GNU
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printf "%s" "$vv"
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# failures in all bash versions through bash-2.05
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printf -v vv "%.0s" foo
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printf "%s" "$vv"
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printf -v vv "%.*s" 0 foo
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printf "%s" "$vv"
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printf -v vv '%.0b-%.0s\n' foo bar
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printf "%s" "$vv"
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printf -v vv '(%*b)(%*s)\n' -4 foo -4 bar
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printf "%s" "$vv"
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format='%'`printf '%0100384d' 0`'d\n'
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printf -v vv $format 0
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printf "%s" "$vv"
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# failures in all bash versions through bash-3.0 - undercounted characters
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unset vv
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printf -v vv " %s %s %s \n%n" ab cd ef vvv
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printf "%s" "$vv"
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echo $vvv
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# this doesn't work with printf -v vv(3) on all systems
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#printf -v vv "%'s\n" foo
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# test cases from an austin-group list discussion
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# prints ^G as an extension
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printf -v vv '%b\n' '\7'
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printf "%s" "$vv"
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# prints ^G
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printf -v vv '%b\n' '\0007'
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printf "%s" "$vv"
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# prints NUL then 7
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#printf -v vv '\0007\n'
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#printf "%s" "$vv"
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# prints no more than two hex digits
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printf -v vv '\x07e\n'
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printf "%s" "$vv"
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# additional backslash escapes
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printf -v vv '\"\?\n'
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printf "%s" "$vv"
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