1# This program is free software: you can redistribute it and/or modify 2# it under the terms of the GNU General Public License as published by 3# the Free Software Foundation, either version 3 of the License, or 4# (at your option) any later version. 5# 6# This program is distributed in the hope that it will be useful, 7# but WITHOUT ANY WARRANTY; without even the implied warranty of 8# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9# GNU General Public License for more details. 10# 11# You should have received a copy of the GNU General Public License 12# along with this program. If not, see <http://www.gnu.org/licenses/>. 13# 14# From mksh 15 16set -o posix ; shopt -u xpg_echo 17 18(echo 1 ${IFS+'}'z}) 2>&- || echo failed in 1 19(echo 2 "${IFS+'}'z}") 2>&- || echo failed in 2 20(echo 3 "foo ${IFS+'bar} baz") 2>&- || echo failed in 3 21(echo -n '4 '; printf '%s\n' "foo ${IFS+"b c"} baz") 2>&- || echo failed in 4 22(echo -n '5 '; printf '%s\n' "foo ${IFS+b c} baz") 2>&- || echo failed in 5 23(echo 6 ${IFS+"}"z}) 2>&- || echo failed in 6 24(echo 7 "${IFS+"}"z}") 2>&- || echo failed in 7 25(echo 8 "${IFS+\"}\"z}") 2>&- || echo failed in 8 26(echo 9 "${IFS+\"\}\"z}") 2>&- || echo failed in 9 27(echo 10 foo ${IFS+'bar} baz'}) 2>&- || echo failed in 10 28(echo 11 "$(echo "${IFS+'}'z}")") 2>&- || echo failed in 11 29(echo 12 "$(echo ${IFS+'}'z})") 2>&- || echo failed in 12 30(echo 13 ${IFS+\}z}) 2>&- || echo failed in 13 31(echo 14 "${IFS+\}z}") 2>&- || echo failed in 14 32u=x; (echo -n '15 '; printf '<%s> ' "foo ${IFS+a"b$u{ {"{{\}b} c ${IFS+d{}} bar" ${IFS-e{}} baz; echo .) 2>&- || echo failed in 15 33l=t; (echo 16 ${IFS+h`echo -n i ${IFS+$l}h`ere}) 2>&- || echo failed in 16 34l=t; (echo 17 ${IFS+h$(echo -n i ${IFS+$l}h)ere}) 2>&- || echo failed in 17 35l=t; (echo 18 "${IFS+h`echo -n i ${IFS+$l}h`ere}") 2>&- || echo failed in 18 36l=t; (echo 19 "${IFS+h$(echo -n i ${IFS+$l}h)ere}") 2>&- || echo failed in 19 37l=t; (echo 20 ${IFS+h`echo -n i "${IFS+$l}"h`ere}) 2>&- || echo failed in 20 38l=t; (echo 21 ${IFS+h$(echo -n i "${IFS+$l}"h)ere}) 2>&- || echo failed in 21 39l=t; (echo 22 "${IFS+h`echo -n i "${IFS+$l}"h`ere}") 2>&- || echo failed in 22 40l=t; (echo 23 "${IFS+h$(echo -n i "${IFS+$l}"h)ere}") 2>&- || echo failed in 23 41key=value; (echo -n '24 '; printf '%s\n' "${IFS+'$key'}") 2>&- || echo failed in 24 42key=value; (echo -n '25 '; printf '%s\n' "${IFS+"'$key'"}") 2>&- || echo failed in 25 # ksh93: “'$key'” 43key=value; (echo -n '26 '; printf '%s\n' ${IFS+'$key'}) 2>&- || echo failed in 26 44key=value; (echo -n '27 '; printf '%s\n' ${IFS+"'$key'"}) 2>&- || echo failed in 27 45(echo -n '28 '; printf '%s\n' "${IFS+"'"x ~ x'}'x"'}"x}" #') 2>&- || echo failed in 28 46u=x; (echo -n '29 '; printf '<%s> ' foo ${IFS+a"b$u{ {"{ {\}b} c ${IFS+d{}} bar ${IFS-e{}} baz; echo .) 2>&- || echo failed in 29 47(echo -n '30 '; printf '<%s> ' ${IFS+foo 'b\ 48ar' baz}; echo .) 2>&- || (echo failed in 30; echo failed in 31) 49(echo -n '32 '; printf '<%s> ' ${IFS+foo "b\ 50ar" baz}; echo .) 2>&- || echo failed in 32 51(echo -n '33 '; printf '<%s> ' "${IFS+foo 'b\ 52ar' baz}"; echo .) 2>&- || echo failed in 33 53(echo -n '34 '; printf '<%s> ' "${IFS+foo "b\ 54ar" baz}"; echo .) 2>&- || echo failed in 34 55(echo -n '35 '; printf '<%s> ' ${v=a\ b} x ${v=c\ d}; echo .) 2>&- || echo failed in 35 56(echo -n '36 '; printf '<%s> ' "${v=a\ b}" x "${v=c\ d}"; echo .) 2>&- || echo failed in 36 57(echo -n '37 '; printf '<%s> ' ${v-a\ b} x ${v-c\ d}; echo .) 2>&- || echo failed in 37 58(echo 38 ${IFS+x'a'y} / "${IFS+x'a'y}" .) 2>&- || echo failed in 38 59foo="x'a'y"; (echo 39 ${foo%*'a'*} / "${foo%*'a'*}" .) 2>&- || echo failed in 39 60foo="a b c"; (echo -n '40 '; printf '<%s> ' "${foo#a}"; echo .) 2>&- || echo failed in 40 61