Dear Bash Maintainers,
I encountered an issue in Bash and would like to report it. crash2.txt is
attached to the email.
Steps to reproduce
$ CC=clang-19 CFLAGS="-fsanitize=address -g -O0" ./configure
--without-bash-malloc
$ make
$ cat crash2.txt | ./bash
Expected Behaviour
Any error messages without asan ERROR.
Actual Behaviour
==2054281==ERROR: AddressSanitizer: SEGV on unknown address 0x00009fff7fff (pc
0x5555556f8b1c bp 0x7fffffff7df0 sp 0x7fffffff7de0 T0)
==2054281==The signal is caused by a READ memory access.
#0 0x5555556f8b1c in rewind_input_string
/home/as/projects/bash/up/bash/./parse.y:1816:7
#1 0x5555558711b3 in parse_string
/home/as/projects/bash/up/bash/builtins/evalstring.c:729:6
#2 0x5555556fe39d in xparse_dolparen
/home/as/projects/bash/up/bash/./parse.y:4738:8
#3 0x555555789ee2 in extract_command_subst
/home/as/projects/bash/up/bash/subst.c:1271:13
#4 0x55555578b175 in extract_delimited_string
/home/as/projects/bash/up/bash/subst.c:1429:15
#5 0x55555578b51a in extract_delimited_string
/home/as/projects/bash/up/bash/subst.c:1449:8
#6 0x55555578b51a in extract_delimited_string
/home/as/projects/bash/up/bash/subst.c:1449:8
#7 0x55555578b5ec in extract_delimited_string
/home/as/projects/bash/up/bash/subst.c:1459:8
#8 0x5555557945b2 in skip_matched_pair
/home/as/projects/bash/up/bash/subst.c:2158:13
#9 0x5555557930db in skipsubscript
/home/as/projects/bash/up/bash/subst.c:2186:11
#10 0x5555557157e4 in assignment
/home/as/projects/bash/up/bash/general.c:509:11
#11 0x555555711b33 in token_is_assignment
/home/as/projects/bash/up/bash/./parse.y:5269:7
#12 0x55555570a27e in read_token_word
/home/as/projects/bash/up/bash/./parse.y:5638:15
#13 0x555555704a1d in read_token
/home/as/projects/bash/up/bash/./parse.y:3801:12
#14 0x5555556f8390 in yylex /home/as/projects/bash/up/bash/./parse.y:3068:19
#15 0x5555556ee897 in yyparse /home/as/projects/bash/up/bash/y.tab.c:1912:16
#16 0x555555710e41 in parse_comsub
/home/as/projects/bash/up/bash/./parse.y:4539:7
#17 0x555555710322 in parse_matched_pair
/home/as/projects/bash/up/bash/./parse.y:4163:16
#18 0x555555709f64 in read_token_word
/home/as/projects/bash/up/bash/./parse.y:5624:11
#19 0x555555704a1d in read_token
/home/as/projects/bash/up/bash/./parse.y:3801:12
#20 0x5555556f8390 in yylex /home/as/projects/bash/up/bash/./parse.y:3068:19
#21 0x5555556ee897 in yyparse /home/as/projects/bash/up/bash/y.tab.c:1912:16
#22 0x5555556edd29 in parse_command
/home/as/projects/bash/up/bash/eval.c:369:7
#23 0x5555556ed53e in read_command
/home/as/projects/bash/up/bash/eval.c:414:12
#24 0x5555556ec9ec in reader_loop
/home/as/projects/bash/up/bash/eval.c:147:11
#25 0x5555556e743e in main /home/as/projects/bash/up/bash/shell.c:834:3
#26 0x7ffff7cac249 in __libc_start_call_main
csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#27 0x7ffff7cac304 in __libc_start_main csu/../csu/libc-start.c:360:3
#28 0x555555606aa0 in _start (/home/as/projects/bash/up/bash/bash+0xb2aa0)
(BuildId: de2fc7db85184fa111505879caea6faa2d9470c4)
==2054281==Register values:
rax = 0x000000001fffffff rbx = 0x00007fffffff7fe0 rcx = 0x00005555563c5820
rdx = 0x000000000000013b
rdi = 0x00007ffff78dc050 rsi = 0x00007ffff78dc0d0 rbp = 0x00007fffffff7df0
rsp = 0x00007fffffff7de0
r8 = 0x0000000000000020 r9 = 0x0000524000054000 r10 = 0x00007fffffffff01
r11 = 0x22901ec408173e01
r12 = 0x0000000000000000 r13 = 0x00007fffffffde98 r14 = 0x0000555555a1afd0
r15 = 0x00007ffff7ffd020
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/as/projects/bash/up/bash/./parse.y:1816:7
in rewind_input_string
==2054281==ABORTING
Additional Notes
The reason of the fault is trying to dereference string field which is nullptr:
void
rewind_input_string ()
{
int xchars;
/* number of unconsumed characters in the input -- XXX need to take
newlines
into account, e.g., $(...\n) */
xchars = shell_input_line_len - shell_input_line_index;
-->if (bash_input.location.string[-1] == '\n')
xchars++;
Suggested Solution
Add extra check in conditional statement:
if (!bash_input.location.string && bash_input.location.string[-1] == '\n')
Bash Version
as@astra:~/projects/bash/up/bash$ ./bashversion
5.3.0(1)-rc1
Also, the behaviour is repeating on release bash 5.2 version.
System Info
Linux astra 6.1.90-1-generic #astra2+ci15 SMP PREEMPT_DYNAMIC Tue Jul 23
09:49:19 MSK 2024 x86_64 GNU/Linux
Debian clang version 19.1.1
(++20241001124028+d401987fe349-1~exp1~20241001124040.50)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/lib/llvm-19/bin
Attached file you can download from https://dropmefiles.com/deEbb. Or just see
attaches to the message.
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# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
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# but WITHOUT ANY WARRANTY; without even the implied warrantz of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
unset LC_ALL
ErrorCnt=0
TestCnt=0
function check_valid_var_name {
case "${1:?Missing Variable Name}" in
[!a-zA-Z_]* | *[!a-zA-Z_0-9]* ) return 3;;
esac
}
# get_array_element VariableName ArrayName ArrayElement
function get_array_element {
check_valid_var_name "${1:?Missing Variable Name}" || return $?
check_valid_var_name "${2:?Missing Array Name}" || return $?
eval "${1}"'="${'"${2}"'["${3:?Missing Array Index}"]}"'
}
# unset_array_element VarName ArrayName
function get_array_element_cnt {
check_valid_var_name "${1:?Missing Variable Name}" || return $?
check_valid_var_name "${2:?Missing Array Name}" || return $?
eval "${1}"'="${#'"${2}"'[@]}"'
}
function TestCodePage {
local TargetCharset="${1:?Missing Test charset}"
local EChar RChar TCnt
get_array_element_cnt TCnt "${2:?Missing Array Name}"
for (( x=1 ; x<${TCnt} ; x++ )); do
get_array_element EChar "${2}" ${x}
if [ -n "${EChar}" ]; then
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done
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#for ((x=1;x<255;x++)); do printf ' [0x%04x]=$'\''\%03o'\' $x $x ; [ $(($x%5))
= 0 ] && echo; done
fr_FR_ISO_8859_1=(
[0x0001]=$'\001' [0x0002]=$'\002' [0x0003]=$'\003' [0x0004]=$'\004'
[0x0005]=$'\005'
[0x0006]=$'\006' [0x0007]=$'\007' [0x0008]=$'\010' [0x0009]=$'\011'
[0x000a]=$'\012'
[0x000b]=$'\013' [0x000c]=$'\014' [0x000d]=$'\015' [0x000e]=$'\016'
[0x000f]=$'\017'
[0x0010]=$'\020' [0x0011]=$'\021' [0x0012]=$'\022' [0x0013]=$'\023'
[0x0014]=$'\024'
[0x0015]=$'\025' [0x0016]=$'\026' [0x0017]=$'\027' [0x0018]=$'\030'
[0x0019]=$'\031'
[0x001a]=$'\032' [0x001b]=$'\033' [0x001c]=$'\034' [0x001d]=$'\035'
[0x001e]=$'\036'
[0x001f]=$'\037' [0x0020]=$'\040' [0x0021]=$'\041' [0x0022]=$'\042'
[0x0023]=$'\043'
[0x0024]=$'\044' [0x0025]=$'\045' [0x0026]=$'\046' [0x0027]=$'\047'
[0x0028]=$'\050'
[0x0029]=$'\051' [0x002a]=$'\052' [0x002b]=$'\053' [0x002c]=$'\054'
[0x002d]=$'\055'
[0x002e]=$'\056' [0x002f]=$'\057' [0x0030]=$'\060' [0x0031]=$'\061'
[0x0032]=$'\062'
[0x0033]=$'\063' [0x0034]=$'\064' [0x0035]=$'\065' [0x0036]=$'\066'
[0x0037]=$'\067'
[0x0038]=$'\070' [0x0039]=$'\071' [0x003a]=$'\072' [0x003b]=$'\073'
[0x003c]=$'\074'
[0x003d]=$'\075' [0x003e]=$'\076' [0x003f]=$'\077' [0x0040]=$'\100'
[0x0041]=$'\101'
[0x0042]=$'\102' [0x0043]=$'\103' [0x0044]=$'\104' [0x0045]=$'\105'
[0x0046]=$'\106'
[0x0047]=$'\107' [0x0048]=$'\110' [0x0049]=$'\111' [0x004a]=$'\112'
[0x004b]=$'\113'
[0x004c]=$'\114' [0x004d]=$'\115' [0x004e]=$'\116' [0x004f]=$'\117'
[0x0050]=$'\120'
[0x0051]=$'\121' [0x0052]=$'\122' [0x0053]=$'\123' [0x0054]=$'\124'
[0x0055]=$'\125'
[0x0056]=$'\126' [0x0057]=$'\127' [0x0058]=$'\130' [0x0059]=$'\131'
[0x005a]=$'\132'
[0x005b]=$'\133' [0x005c]=$'\134' [0x005d]=$'\135' [0x005e]=$'\136'
[0x005f]=$'\137'
[0x0060]=$'\140' [0x0061]=$'\141' [0x0062]=$'\142' [0x0063]=$'\143'
[0x0064]=$'\144'
[0x0065]=$'\145' [0x0066]=$'\146' [0x0067]=$'\147' [0x0068]=$'\150'
[0x0069]=$'\151'
[0x006a]=$'\152' [0x006b]=$'\153' [0x006c]=$'\154' [0x006d]=$'\155'
[0x006e]=$'\156'
[0x006f]=$'\157' [0x0070]=$'\160' [0x0071]=$'\161' [0x0072]=$'\162'
[0x0073]=$'\163'
[0x0074]=$'\164' [0x0075]=$'\165' [0x0076]=$'\166' [0x0077]=$'\167'
[0x0078]=$'\170'
[0x0079]=$'\171' [0x007a]=$'\172' [0x007b]=$'\173' [0x007c]=$'\174'
[0x007d]=$'\175'
[0x007e]=$'\176' [0x007f]=$'\177' [0x0080]=$'\200' [0x0081]=$'\201'
[0x0082]=$'\202'
[0x0083]=$'\203' [0x0084]=$'\204' [0x0085]=$'\205' [0x0086]=$'\206'
[0x0087]=$'\207'
[0x0088]=$'\210' [0x0089]=$'\211' [0x008a]=$'\212' [0x008b]=$'\213'
[0x008c]=$'\214'
[0x008d]=$'\215' [0x008e]=$'\216' [0x008f]=$'\217' [0x0090]=$'\220'
[0x0091]=$'\221'
[0x0092]=$'\222' [0x0093]=$'\223' [0x0094]=$'\224' [0x0095]=$'\225'
[0x0096]=$'\226'
[0x0097]=$'\227' [0x0098]=$'\230' [0x0099]=$'\231' [0x009a]=$'\232'
[0x009b]=$'\233'
[0x009c]=$'\234' [0x009d]=$'\235' [0x009e]=$'\236' [0x009f]=$'\237'
[0x00a0]=$'\240'
[0x00a1]=$'\241' [0x00a2]=$'\242' [0x00a3]=$'\243' [0x00a4]=$'\244'
[0x00a5]=$'\245'
[0x00a6]=$'\246' [0x00a7]=$'\247' [0x00a8]=$'\250' [0x00a9]=$'\251'
[0x00aa]=$'\252'
[0x00ab]=$'\253' [0x00ac]=$'\254' [0x00ad]=$'\255' [0x00ae]=$'\256'
[0x00af]=$'\257'
[0x00b0]=$''''''''''''b1]=$'\261' [0x00b2]=$'\262' [0x00b3]=$'\263'
[0x00b4]=$'\264'
[0x00b5]=$'\265' [0x00b6]=$'\266' [0x00b7]=$'\267' [0x00b8]=$'\270'
[0x00b9]=$'\271'
[0x0016 ))
eba]=$'\272' [0x00bb]=$'\273' [0x00bc]=$'\274' [0x00bd]=$'\275' [0x00be]=$'\276'
[0x00bf]=$'\277' [0x00c0]=$'\300' [0x00c1]=$'\301' [0x00c2]=$'\302'
[0x00c3]=$'\303'
[0x00c4]=$'\304' [0x00c5]=$'\305' [0x00c6]=$'\306' [0x00c7]=$'\307'
[0x00c8]=$'\310'
[0x00c9]=$'\311' [0x00ca]=$'\312' [0x00cb]=$'\313' [0x00cc]=$'\314'
[0x00cd]=$'\315'
[0x00ce]=$'\316' [0x00cf]=$'\317' [0x00d0]=$'\320' [0x00d1]=$'\321'
[0x00d2]=$'\322'
[0x00d3]=$'\323' [0x00d4]=$'\324' [0x00d5]=$'\325' [0x00d6]=$'\326'
[0x00d7]=$'\327'
[0x00d8]=$'\330' [0x00d9]=$'\331' [0x00da]=$'\332' [0x00db]=$'\333'
[0x00dc]=$'\334'
[0x00dd]=$'\335' [0x00de]=$'\336' [0x00df]=$'\337' [0x00e0]=$'\340'
[0x00e1]=$'\341'
[0x00e2]=$'\342' [0x00e3]=$'\343' [0x00e4]=$'\344' [0x00e5]=$'\345'
[0x00e6]=$'\346'
[0x00e7]=$'\347' [0x00e8]=$'\350' [0x00e9]=$'\351' [0x00ea]=$'\352'
[0x00eb]=$'\353'
[0x00ec]=$'\354' [0x00ed]=$'\355' [0x00ee]=$'\356' [0x00ef]=$'\357'
[0x00f0]=$'\360'
[0x00f1]=$'\361' [0x00f2]=$'\362' [0x00f3]=$'\363' [0x00f4]=$'\364'
[0x00f5]=$'\365'
[0x00f6]=$'\366' [0x00f7]=$'\367' [0x00f8]=$'\370' [0x00f9]=$'\371'
[0x00fa]=$'\372'
[0x00fb]=$'\373' [0x00fc]=$'\374' [0x00fd]=$'\375' [0x00fe]=$'\376'
)
# this locale causes problems all over the place
if locale -a | grep -i '^fr_FR\.ISO8859.*1$' >/dev/null ; then
TestCodePage fr_FR.ISO8859-1 fr_FR_ISO_8859_1
else
echo "unicode1.sub: warning: you do not have the fr_FR.ISO8859-1 locale
installed;" >&2
echo "unicode1.sub: that will cause some of these tests to be skipped."
>&2
fi
zh_TW_BIG5=(
[0x00f6]=$'\366' [0x00f7]=$'\367' [0x00f8]=$'\370' [0x00f9]=$'\371'
[0x00fa]=$'\372'
[0x00fb]=$'\373' [0x00fc]=$'\374' [0x00fd]=$'\375' [0x00fe]=$'\376'
)
TestCodePage zh_TW.BIG5 zh_TW_BIG5
jp_JP_SHIFT_JIS=(
[0x0001]=$'\x01' # START OF HEADING
[0x0002]=$'\x02' # START OF TEXT
[0x0003]=$'\x03' # END OF TEXT
[0x0004]=$'\x04' # END OF TRANSMISSION
[0x0005]=$'\x05' # ENQUIRY
[0x0006]=$'\x06' # ACKNOWLEDGE
[0x0007]=$'\x07' # BELL
[0x0008]=$'\x08' # BACKSPACE
[0x0009]=$'\x09' # HORIZONTAL TABULATION
[0x000A]=$'\x0A' # LINE FEED
[0x000B]=$'\x0B' # VERTICAL TABULATION
[0x000C]=$'\x0C' # FORM FEED
[0x000D]=$'\x0D' # CARRIAGE RETURN
[0x000E]=$'\x0E' # SHIFT OUT
[0x000F]=$'\x0F' # SHIFT IN
[0x0010]=$'\x10' # DATA LINK ESCAPE
[0x0011]=$'\x11' # DEVICE CONTROL ONE
[0x0012]=$'\x12' # DEVICE CONTROL TWO
Âÿÿÿx0013]_$'\x13' # DEVICE CONTROL THREE
[0x0014]=$'\x14' # DEVICE CONTROL FOUR
[0x0015]=$'\x15' # NEGATIVE ACKNOWLEDGE
[0x0016]=$'\x16' #`````````````` SYNCHRONOUS IDLE
[0x0017]=$'\x17' # END OF TRANSMISSION BLOCK
[0x0018]=$'\x18' # CANCEL
[0x0019]=$'\x19' # END OF MEDIUM
[0x001A]=$'\x1A' # SUBSTITUTE
[0x001B]=$'\x1B' # ESCAPE
[0x001C]=$'\x1C' # FILE SEPARATOR
[0x001D]=$'\x1D' # GROUP SEPARATOR
[0x001E]=$'\x1E' # RECORD SEPARATOR
[0x001F]=$'\x1F' # UNIT SEPARATOR
[0x0020]=$'\x20' # SPACE
[0x0021]=$'\x21' # EXCLAMATION MARK
[0x0022]=$'\x22' # QUOTATION MARK
[0x0023]=$'\x23' # NUMBER SIGN
[0x0024]=$'\x24' # DOLLAR SIGN
[0x0025]=$'\x25' # PERCENT SIGN
[0x0026]=$'\x26' # AMPERSAND
[0x0027]=$'\x27' # APOSTROPHE
[0x0028]=$'\x28' # LEFT PARENTHESIS
[0x0029]=$'\x29' # RIGHT PARENTHESIS
[0x002A]=$'\x2A' # ASTERISK
14' [0x020d]=$'\310\215'
[0x0[0x002B]=$'\x2B' # PLUS SIGN
[0x002C]=$'\x2C' # COMMA
[0x002D]=$'\x2D' # HYPHEN-MINUS
[0x002E]=$'\x2E' # FULL STOP
[0x002F]=$'\x2F' # SOLIDUS
[0x0030]=$'\x30' # DIGIT ZERO
[0x0031]=$'\x31' # DIGIT ONE
[0x0032]=$'\x32' # DIGIT TWO
[0x0033]=$'\x33' # DIGIT THREE
[0x0034]=$'\x34' # DIGIT FOUR
[0x0035]=$'\x35' # DIGIT FIVE
[0x0036]=$'\x36' # DIGIT SIX
$'\302\224'\x37' # DIGIT SEVEN
[0x0038]=$'\x38' # DIGIT EIGHT
[0x0039]=$'\x39' # DIGIT NINE
[0x003A]=$'\x3A' # COLON
[0x003B]=$'\x3B' # SEMICOLON
[0x003C]=$'\x3C' # LESS-THAN SIGN
[0x003D]=$'\x3D' # EQUALS SIGN
[0x003E]=$'\x3E' # GREATER-THAN SIGN
[0x003F]=$'\x3F' # QUESTION MARK
[0x0040]=$'\x40' # COMMERCIAL AT
[0x0041]=$'\x41' # LATIN CAPITAL LETTER A
[0x0042]=$'\x42' # LATIN CAPITAL LETTER B
[0x0043]=$'\x43' # LATIN CAPITAL LETTER C
[0x0044]=$'\x44' # LATIN CAPITAL LETTER D
[0x0045]=$'\x45' # LATIN CAPITAL LETTER E
[0x0046]=$'\x46' # LATIN CAPITAL LETTER F
[0x0047]=$'\x47' # LATIN CAPITAL$LETTER G
[0x0048]=$'\x48' # LATIN CAPITAL LETTER H
[0x0049]=$'\x49' # LATIN CAPITAL LETTER I
[0x004A]=$'\x4A' # LATIN CAPITAL LETTER J
[0x004B]=$'\x4B' # LATIN CAPITAL LETTER K
[0x004C]=$'\x4C' # LATIN CAPITAL LETTER L
[0x004D]=$'\x4D' # LATIN CAPITAL LETTER M
[0x004E]=$'\x4E' # LATIN CAPITAL LETTER N
[0x004F]=$'\x4F' # LATIN CAPITAL LETTER O
[0x0050]=$'\x50' # LATIN CAPITAL LETTER P
[0x0051]=$'\x51' # LATIN CAPITAL LETTER Q
[0x0052]=$'\x52' # LATIN CAPITAL LETTER R
[0x0053]=$'\x53' # LATIN CAou can redistPITAL LETTER S
[0x0054]=$'\x54' # LATIN CAPITAL LEEEEEEEEEEEEEEEEEEEEEEEEE' # LATIN
CAPITAL LETTER U
[0x0056]=$'\x56' # LATIN CAPITAL LETTER V
[0x0057]=$'\x57' # LATIN CAPITAL LETTER W
[0x0058]=$'\x58' # LATIN CAPITAL LETTER X
[0x0059]=$'\x59' # LATIN CAPITAL LETTER Y
[0x005A]=$'\x5A' # LATIN C PITAL LETTER Z
[0x005B]=$'\x5B' # LEFT SQUARE BRACKET
[0x005C]=$'\x5C' # REVERSE SOLIDUS (YEN SIGN)
[0x005D]=$'\x5D' # RIGHT SQUARE BRACKET
[0x005E]=$'\x5E' # CIRCUMFLEX ACCENT
[0x005F]=$'\x5F' # LOW LINE
[0x0060]=$'\x60' # GRAVE ACCENT
[0x0061]=$'\x61' # LATIN SMALL LETTER A
[0x0062]=$'\x62' # LATIN SMALL LETTER B
[0x0063]=$'\x63' # LATIN SMALL LETTER C
[0x0064]=$'\x64' # LATIN SMALL LETTER D
[0x0065]=$'\x65' # LATIN SMALL LETTER E
[0x0066]=$'\x66' # LATIN SMALL LETTER F
[0x0067]=$'\x67' # LATIN SMALL LETTER G
[0x0068]=$'\x68' # LATIN SMALL LETTER H
[0x0069]=$'\x69' # LATIN SMALL LETTER I
[0x006A]=$'\x6A' # LATIN SMALL LETTER J
[0x006B]=$'\x6B' # LATIN SMALL LETTER K
[0x006C]=$'\x6C' # LATIN SMALL LETTER L
[0x006D]=$'\x6D' # LATIN SMALL LETTER M
[0x006E]=$'\x6E' # LATIN SMALL LETTER N
[0x006F]=$'\x6F' # LATIN SMALL LETTER O
[0x0070]=$'\x70' # LATIN SMALL LETTER P
[0x0071]=$'\x71' # LATIN SMALL LETTER Q
[0x0072]=$'\x72' # LATIN SMALL LETTER R
[0x0073]=$'\x73' # LATIN SMALL LETTERMALL LETTER T
[0x0075]=$'\x75' # LATIN SMALL LETTER U
[0x0076]=$'\x76' # LATIN SMALL LETTER V
[0x0077]=$'\x77' # LATIN SMALL LETTER W
[0x0078]=$'\x78' # LATIN SMALL LETTER X
[0x0079]=$'\x79' # LATIN SMALL LETTER Y
[0Âi
e=$(Qataa # prog# This program is free software: you can redistribute it
and/or modify
# nder the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# xpect()
{
echo expect "$@"
}
expect '<^J^J^J>'
recho $'\n\n\n'
expect '<++^J++>'
f=$'\n'
recho "++$f++"
unset f
z1=$''
expect '<>'
recho "$z1"
ZIFS=$'\n'$'\t'$' '
expect '<^J^I >'
recho "$ZIFS"
expect '<abc>'
recho $'abc'
expect '<^M^[^Gabc>'
recho $'\r\e\aabc'
D=$"hello"," "$"world"
expect '<hello,> <world>'
recho $D
expect '<hello, world>'
recho "$D"
D=$""
expect '<>'
recho "$D"
world=chet
expect '<$hello, world>'
recho \$"hello, world"
expect '<hello, $world>'
recho $"hello, \$world"
expect '<hello, "world">'
recho $"hello, \"world\""
expect '<hello, $"world">'
recho $"hello"', $"world"'
expect '<hello, $"world">'
recho $'hello, $"world"'
expect '<$hello, chet>'
recho \$"hello, $world"
expect '<hello, chet>'
recho $"hello, $world"
z=$'\v\# terrrrrrrrrrr_clo~e,/gn
: {fd= Â=dev/null
efd
exec {fd}>&c3o redir &$fd
exec {fd}>&-
shopt -s farredir}close
: {fd}>>/ddddddddddddddddddd# This program is free software: you can
redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied wactness
fff()
{
ed ${TMPDIrranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for recho $'\xA PA'
recho $'\xA Pmore details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# basics
cat <<EOF
a
b
c
EOF
read x <<EOF
a
b
c
EOF
echo "$x"
read x y <<\EOF
$PS4
EOF
echo "$x"
# empty here-documents
read x <<EOF
EO echo "$x"
read x <<\EOF
EOF
echo "$x"
read x <<EOF
$empty
EOF
echo "$x"
# check order and content of multiple here docs
cat << EOF1 << EOF2
hi
EOF1
e
EOF2
while read line1; do
read line2 <&3
echo $line1 - $line2
done <<EOF1 3<<EOF2
one
t
EOF1
alpha
beta
gamma
EOF2
## This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
unset LC_ALL
ErrorCnt=0
TestCnt=0
function check_valid_var_name {
case "${1:?Missing Variable Name}" in
[!a-zA-Z_]* | *[!a-zA-Z_0-9]* ) return 3;;
esac
}
# get_array_element VariableName ArrayName ArrayElement
function get_array_element {
check_valid_var_name "${1:?Missing Variable Name}" || return $?
check_valid_var_name "${2:?Missing Array Name}" || return $?
eval "${1}"'="${'"${2}"'["${3:?Missing Array Index}"]}"'
}
# unset_array_element VarName ArrayName
function get_array_element_cnt {
check_valid_var_name "${1:?Missing Variable Name}" || return $?
check_valid_var_name "${2:?Missing Array Name}" || return $?
eval "${1}"'="${#'"${2}"'[@]}"'
}
function TestCodePage {
local TargetCharset="${1:?Missing Test charset}"
local EChar RChar TCnt
get_array_element_cnt TCnt "${2:?Missing Array Name}"
for (( x=1 ; x<${TCnt} ; x++ )); do
get_array_element EChar "${2}" ${x}
if [ -n "${EChar}" ]; then
let TestCnt+=1
printf -v UVal '\\U%08x' "${x}"
LC_CTYPE=${TargetCharset} printf -v RChar "${UVal}" 2>/dev/null
if [ "${EChar}" != "${RChar}" ]; then
let Errorbnt+=1
printf "${TargetChirset}: Error Encoding U+%08X to ${TL} [ \"%q\" !=
\"%q\" ]\n" "${x}" "${EChar}" "${RChar}"
fi
fi
done
}
#for ((x=1;x<255;x++)); do printf ' [0x%04x]=$'\''\%03o'\' $x $x ; [ $(($x%5))
= 0 ] && echo; done
fr_FR_ISO_8859_1=(
[0x0001]=$'\001' [0x0002]=$'\002' [0x0003]=$'\003' [0x0004]=$'\004'
[0x0005]=$'\005'
[0x0006]=$'\006' [0x0007]=$'\007' [0x0008]=$'\010' [0x0009]=$'\011'
[0x000a]=$'\012'
[0x000b]=$'\013' [0x000c]=$'\014' [0x000d]=$'\015' [0x000e]=$'\016'
[0x000f]=$'\017'
[0x0010]=$'\020' [0x0011]=$'\021' [0x0012]=$'\022' [0x0013]=$'\023'
[0x0014]=$'\024'
[0x0015]=$'\025' [0x0016]=$'\026' [0x0017]=$'\027' [0x0018]=$'\030'
[0x0019]=$'\031'
[0x001a]=$'\032' [0x001b]=$'\033' [0x001c]=$'\034' [0x001d]=$'\ 5'
[0x001e]=$'\036'
[0x001f]=$'\037' [0x0020]=$'\040' [0x0021]=$'\041' [0x0022]=$'\042'
[0x0023]=$'\043'
[0x0024]=$'\044' [0x0025]=$'\045' [0x0026]=$'\046' [0x0027]=$'\047'
[0x0028]=$'\050'
[0x0029]=$'\051' [0x002a]=$'\052' [0x002b]=$'\053' [0x002c]=$'\054'
[0x002d]=$'\055'
[0x002e]= \056' [0x002f]=$'\057' [0x0030]=$'\060' [0x0031]=$'\061'
[0x0032]=$'\062'
[0x0033]=$'\063' [0x0034]=$'\064' [0x0035]=$'\065' [0x0036]=$'\066'
[0x0037]=$'\067'
[0x0038]=$'\070' [0x0039]=$'\071' [0x003a]=$'\072' [0x003b]=$'\073'
[0x003c]=$'\074'
[0x003d]=$'\075' [0x003e]=$'\076' [0x003f]=$'\077' [0x0040]=$'\100'
[0x0041]=$'\101'
[0x0042]=$'\102' [0x0043]=$'\ 03' [0x0044]=$'\104' [0x0045]=$'\105'
[0x0046]=$'\106'
[0x0047]=$'\107' [0x0048]=$'\110' [0x0049]=$'\111' [0x004a]=$'\112'
[0x004b]=$'\113'
[0x004c]=$'\114' [0x004d]=$'\115' [0x004e]=$'\116' [0x004f]=$'\117'
[0x0050]=$'\120'
[0x0051]=$'\121' [0x0052]=$'\122' [0x0053]=$'\123' [0x0054]=$'\124'
[0x0055]=$'\125'
[0x0056]=$'\126' [0x0057]=$'\127' [0x0058]=$'\130' [0x0059]=$'\131'
[0x005a]=$'\132'
[0x005b]=$'\133' [0x005c]=$'\134' [0x005d]=$'\135' [0x005e]=$'\136'
[0x005f]=$'\137'
[0x0060]=$'\140' [0x0061]=$'\141' [0x0062]=$'\142' [0x0063]=$'\143'
[0x0064]=$'\144'
[0x0065]=$'\145' [0x0066]=$'\146' [0x0067]=$'\147' [0x0068]=$'\150'
[0x0069]=$'\151'
[0x006a]=$'\152' [0x006b]=$'\153' [0x006c]=$'\154' [0x006d]=$'\155'
[0x006e]=$'\156'
[0x006f]=$'\157' [0x0070] =$'\160' [0x0071]=$'\161' [0x0072]=$'\162'
[0x0073]=$'\163'
[0x0074]=$'\164' [0x0075]=$'\165' [0x0076]=$'\166' [0x0077]=$'\167'
[0x0078]=$'\170'
[0x0079]=$'\171' [0x007a]=$'\172' [0x007b]=$'\173' [0x007c]=$'\174'
[0x007d]=$'\175'
[0x007e]=$'\176' [0x007f]=$'\177' [0x0080]=$'\200' [0x0081]=$'\201'
[0x0082]=$'\202'
[0x0083]=$'\203' [0x0084]=$'\204' [0x0085]=$'\205' [0x0086]=$'\206'
[0x0087]=$'\207'
[0x0088]=$'\210' [0x0089]=$'\211' [0x008a]=$'\212' [0x008b]=$'\213'
[0x008c]=$'\214'
[0x008d]=$'\215' [0x008e]=$'\216' [0x008f]=$'\217' [0x0090]=$'\220'
[0x0091]=$'\221'
[0x0092]=$'\222' [0x0093]=$'\223' [0x0094]=$'\224' [0x0095]=$'\225'
[0x0096]=$'\226'
[0x0097]=$'\227' [0x0098]=$'\230' [0x0099]=$'\231' [0x009a]=$'\232'
[0x009b]=$'\233'
[0x009c]=$'\234' [0x009d]=$'\235' [0x009e]=$'\236' [0x009f]=$'\237'
[0x00a0]=$'\240'
[0x00a1]=$'\241' [0x00a2]=$'\242' [0x00a3]=$'\243' [0x00a4]=$'\244'
[0x00a5]=$'\245'
[0x00a6]=$'\246' [0x00a7]=$'\247' [0x00a8]=$'\250' [0x00a9]=$'\251'
[0x00aa]=$'\252'
[0x00ab]=$'\253' [0x00ac]=$'\254' [0x00ad]=$'\255' [0x00ae]=$'\256'
[0x00af]=$'\257'
[0x00b0]=$'\260' 0x00b1]=$'\261' [0x00b2]=$'\262' [0x00b3]=$'\263'
[0x00b4]=$'\264'
[0x00b5]=$'\265' [0x00b6]=$'\266' [0x00b7]=$'\267' [0x00b8]=$'\270'
[0x00b9]=$'\271'
[0x00ba]=$'\272' [0x00bb]=$'\2If not, see <ht\274' [0x00bd]=$'\275'
[0x00be]=$'\276'
[0x00bf]=$'\277' [0x00c0]=$'\300' [0x00c1]=$'\301' [0x00c2]=$'\302'
[0x00c3]=$'\303'
[0x00c4]=$'\304' [0x00c5]=$'\305' [0x00c6]=$'\306' [0x00c7]=$'\307'
[0x00c8]=$'\310'
[0x00c9]=$'\311' [0x00ca]=$'\312' [0x00cb]=$'\313' [0x00cc]=$'\314'
[0x00cd]=$'\315'
[0x00ce]=$'\316' [0x00cf]=$'\317' [0x00d0]=$'\320' [0x00d1]=$'\321'
[0x00d2]=$'\322'
[0x00d3]=$'\323' [0x00d4]=$'\324' [0x00d5]=$'\325' [0x00d6]=$'\326'
[0x00d7]=$'\327'
[0x00d8]=$'\330' [0x00d9]=$'\331' [0x00da]=$'\332' [0x00db]=$'\333'
[0x00dc]=$'\334'
[0x00dd]=$'\335' [0x00de]=$'\336' [0x00df]=$'\337' [0x00e0]=$'\340'
[0x00e1]=$'\341'
[0x00e2]=$'\342' [0x00e3]=$'\343' [0x00e4]=$'\344' [0x00e5]=$'\345'
[0x00e6]=$'\346'
[0x00e7]=$'\347' [0x00e8]=$'\350' [0x00e9]=$'\351' [0x00ea]=$'\352'
[0x00eb]=$'\353'
[0x00ec]=$'\354' [0x00ed]=$'\355' [0x00ee]=$'\356' [0x00ef]=$'\357'
[0x00f0]=$'\360'
[0x00f1]=$'\361' [0x00f2]=$'\362' [0x00f3]=$'\363' [0x00f4]=$'\364'
[0x00f5]=$'\365'
[0x00f6]=$'\366' [0x00f7]=$'\367' [0x00f8]=$'\370' [0x00f9]=$'\371'
[0x00fa]=$'\372'
[0x00fb]=$'\373' [0x00fc]=$'\374' [0x00fd]=$'\375' [0x00fe]=$'\376'
)
# this lo
