quoting.sh revision 3e14f97f673e8a630f076077de35afdd43dc1587
########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2010 AT&T Intellectual Property #
# and is licensed under the #
# Common Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.opensource.org/licenses/cpl1.0.txt #
# (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
let Errors+=1
}
alias err_exit='err_exit $LINENO'
Command=${0##*/}
integer Errors=0
if [[ 'hi there' != "hi there" ]]
then err_exit "single quotes not the same as double quotes"
fi
x='hi there'
if [[ $x != 'hi there' ]]
then err_exit "$x not the same as 'hi there'"
fi
if [[ $x != "hi there" ]]
then err_exit "$x not the same as \"hi there \""
fi
if [[ \a\b\c\*\|\"\ \\ != 'abc*|" \' ]]
then err_exit " \\ differs from '' "
fi
if [[ "ab\'\"\$(" != 'ab\'\''"$(' ]]
then err_exit " \"\" differs from '' "
fi
if [[ $(print -r - 'abc*|" \') != 'abc*|" \' ]]
then err_exit "\$(print -r - '') differs from ''"
fi
if [[ $(print -r - "abc*|\" \\") != 'abc*|" \' ]]
then err_exit "\$(print -r - '') differs from ''"
fi
if [[ "$(print -r - 'abc*|" \')" != 'abc*|" \' ]]
then err_exit "\"\$(print -r - '')\" differs from ''"
fi
if [[ "$(print -r - "abc*|\" \\")" != 'abc*|" \' ]]
then err_exit "\"\$(print -r - "")\" differs from ''"
fi
if [[ $(print -r - $(print -r - 'abc*|" \')) != 'abc*|" \' ]]
then err_exit "nested \$(print -r - '') differs from ''"
fi
if [[ "$(print -r - $(print -r - 'abc*|" \'))" != 'abc*|" \' ]]
then err_exit "\"nested \$(print -r - '')\" differs from ''"
fi
if [[ $(print -r - "$(print -r - 'abc*|" \')") != 'abc*|" \' ]]
then err_exit "nested \"\$(print -r - '')\" differs from ''"
fi
unset x
if [[ ${x-$(print -r - "abc*|\" \\")} != 'abc*|" \' ]]
then err_exit "\${x-\$(print -r - '')} differs from ''"
fi
if [[ ${x-$(print -r - "a}c*|\" \\")} != 'a}c*|" \' ]]
then err_exit "\${x-\$(print -r - '}')} differs from ''"
fi
x=$((echo foo)|(cat))
if [[ $x != foo ]]
then err_exit "((cmd)|(cmd)) failed"
fi
x=$(print -r -- "\"$HOME\"")
if [[ $x != '"'$HOME'"' ]]
then err_exit "nested double quotes failed"
fi
: ${z="a{b}c"}
if [[ $z != 'a{b}c' ]]
then err_exit '${z="a{b}c"} not correct'
fi
unset z
: "${z="a{b}c"}"
if [[ $z != 'a{b}c' ]]
then err_exit '"${z="a{b}c"}" not correct'
fi
if [[ $(print -r -- "a\*b") != 'a\*b' ]]
then err_exit '$(print -r -- "a\*b") differs from a\*b'
fi
unset x
if [[ $(print -r -- "a\*b$x") != 'a\*b' ]]
then err_exit '$(print -r -- "a\*b$x") differs from a\*b'
fi
x=hello
set -- ${x+foo bar bam}
if (( $# !=3 ))
then err_exit '${x+foo bar bam} does not yield three arguments'
fi
set -- ${x+foo "bar bam"}
if (( $# !=2 ))
then err_exit '${x+foo "bar bam"} does not yield two arguments'
fi
set -- ${x+foo 'bar bam'}
if (( $# !=2 ))
then err_exit '${x+foo '\''bar bam'\''} does not yield two arguments'
fi
set -- ${x+foo $x bam}
if (( $# !=3 ))
then err_exit '${x+foo $x bam} does not yield three arguments'
fi
set -- ${x+foo "$x" bam}
if (( $# !=3 ))
then err_exit '${x+foo "$x" bam} does not yield three arguments'
fi
set -- ${x+"foo $x bam"}
if (( $# !=1 ))
then err_exit '${x+"foo $x bam"} does not yield one argument'
fi
set -- "${x+foo $x bam}"
if (( $# !=1 ))
then err_exit '"${x+foo $x bam}" does not yield one argument'
fi
set -- ${x+foo "$x "bam}
if (( $# !=2 ))
then err_exit '${x+foo "$x "bam} does not yield two arguments'
fi
x="ab$'cd"
if [[ $x != 'ab$'"'cd" ]]
then err_exit '$'"' inside double quotes not working"
fi
x=`print 'ab$'`
if [[ $x != 'ab$' ]]
then err_exit '$'"' inside `` quotes not working"
fi
unset a
x=$(print -r -- "'\
\
")
if [[ $x != "'" ]]
then err_exit 'line continuation in double strings not working'
fi
x=$(print -r -- "'\
$a\
")
if [[ $x != "'" ]]
then err_exit 'line continuation in expanded double strings not working'
fi
x='\*'
if [[ $(print -r -- $x) != '\*' ]]
then err_exit 'x="\\*";$x != \*'
fi
x=' hello world '
set -- $x
if (( $# != 2 ))
then err_exit 'field splitting error'
fi
x=$(print -r -- '1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890 \
1234567890123456789012345678901234567890123456789012345678901234567890')
if (( ${#x} != (15*73-3) ))
then err_exit "length of x, ${#x}, is incorrect should be $((15*73-3))"
fi
x='$hi'
if [[ $x\$ != '$hi$' ]]
then err_exit ' $x\$, with x=$hi, does not expand to $hi$'
fi
if [[ $x$ != '$hi$' ]]
then err_exit ' $x$, with x=$hi, does not expand to $hi$'
fi
set -- $(/bin/echo foo;sleep 1;/bin/echo bar)
if [[ $# != 2 ]]
then err_exit 'word splitting after command substitution not working'
fi
unset q
if [[ "${q:+'}q${q:+'}" != q ]]
then err_exit 'expansion of "{q:+'\''}" not correct when q unset'
fi
q=1
if [[ "${q:+'}q${q:+'}" != "'q'" ]]
then err_exit 'expansion of "{q:+'\''}" not correct when q set'
fi
x=$'x\' #y'
if [[ $x != "x' #y" ]]
then err_exit "$'x\' #y'" not working
fi
x=$q$'x\' #y'
if [[ $x != "1x' #y" ]]
then err_exit "$q$'x\' #y'" not working
fi
IFS=,
x='a,b\,c,d'
set -- $x
if [[ $2 != 'b\' ]]
then err_exit "field splitting of $x with IFS=$IFS not working"
fi
foo=bar
bar=$(print -r -- ${foo+\\n\ })
if [[ $bar != '\n ' ]]
then err_exit '${foo+\\n\ } expansion error'
fi
unset bar
bar=$(print -r -- ${foo+\\n\ $bar})
if [[ $bar != '\n ' ]]
then err_exit '${foo+\\n\ $bar} expansion error with bar unset'
fi
x='\\(..\\)|&\|\|\\&\\|'
if [[ $(print -r -- $x) != "$x" ]]
then err_exit '$x, where x=\\(..\\)|&\|\|\\&\\| not working'
fi
x='\\('
if [[ $(print -r -- a${x}b) != a"${x}"b ]]
then err_exit 'a${x}b, where x=\\( not working'
fi
x=
if [[ $(print -r -- $x'\\1') != '\\1' ]]
then err_exit 'backreference inside single quotes broken'
fi
set -- ''
set -- "$@"
if (( $# != 1 ))
then err_exit '"$@" not preserving nulls'
fi
x=
if [[ $(print -r s"!\2${x}\1\a!") != 's!\2\1\a!' ]]
then err_exit 'print -r s"!\2${x}\1\a!" not equal s!\2\1\a!'
fi
if [[ $(print -r $'foo\n\n\n') != foo ]]
then err_exit 'trailing newlines on comsubstitution not removed'
fi
unset x
if [[ ${x:='//'} != '//' ]]
then err_exit '${x:='//'} != "//"'
fi
if [[ $(print -r "\"hi$\"") != '"hi$"' ]]
then err_exit '$\ not correct inside ""'
fi
unset x
if [[ "${x-a\}b}" != 'a}b' ]]
then err_exit '"${x-a\}b}" != "a}b"'
fi
if [[ "\}\]$x\*\{\[\\" != '\}\]\*\{\[\' ]]
then err_exit '"\}\]$x\*\{\[\\" != "\}\]\*\{\[\"'
fi
foo=yes
if [[ $(print -r -- {\$foo}) != '{$foo}' ]]
then err_exit '{\$foo}' not expanded correctly
fi
[[ foo == $(
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print foo) ]] || err_exit "command subsitution with long comments broken"
subject='some/other/words'
re='(?*)/(?*)/(?*)'
[[ ${subject/${re}/\3} != words ]] && err_exit 'string replacement with \3 not working'
[[ ${subject/${re}/'\3'} != '\3' ]] && err_exit 'string replacement with '"'\3'"' not working'
[[ ${subject/${re}/"\\3"} != '\3' ]] && err_exit 'string replacement with "\\3" not working'
[[ ${subject/${re}/"\3"} != '\3' ]] && err_exit 'string replacement with "\3" not working'
string='\3'
[[ ${subject/${re}/${string}} != words ]] && err_exit 'string replacement with $string not working with string=\3'
[[ $(print -r "${subject/${re}/${string}}") != words ]] && err_exit 'string replacement with $string not working with string=\3 using print'
[[ ${subject/${re}/"${string}"} != '\3' ]] && err_exit 'string replacement with "$string" not working with string=\3'
[[ $(print -r "${subject/${re}/"${string}"}") != '\3' ]] && err_exit 'string replacement with "$string" not working with string=\3 using print'
string='\\3'
[[ ${subject/${re}/${string}} != '\3' ]] && err_exit 'string replacement with $string not working with string=\\3'
[[ ${subject/${re}/"${string}"} != '\\3' ]] && err_exit 'string replacement with "$string" not working with string=\\3'
[[ ${subject/${re}/\4} != '\4' ]] && err_exit 'string replacement with \4 not working'
[[ ${subject/${re}/'\4'} != '\4' ]] && err_exit 'string replacement with '\4' not working'
string='\4'
[[ ${subject/${re}/${string}} != '\4' ]] && err_exit 'string replacement with $string not working with string=\4'
[[ ${subject/${re}/"${string}"} != '\4' ]] && err_exit 'string replacement with "$string" not working with string=\4'
string='&foo'
[[ ${subject/${re}/${string}} != '&foo' ]] && err_exit 'string replacement with $string not working with string=&foo'
[[ ${subject/${re}/"${string}"} != '&foo' ]] && err_exit 'string replacement with "$string" not working with string=&foo'
{
x=x
x=${x:-`id | sed 's/^[^(]*(\([^)]*\)).*/\1/'`}
} 2> /dev/null || err_exit 'skipping over `` failed'
[[ $x == x ]] || err_exit 'assignment ${x:=`...`} failed'
[[ $($SHELL -c 'print a[') == 'a[' ]] || err_exit "unbalanced '[' in command arg fails"
$SHELL -c $'false && (( `wc -l /dev/null | nawk \'{print $1}\'` > 2 )) && true;:' 2> /dev/null || err_exit 'syntax error with ` in arithmetic expression'
{ $SHELL -c '(( 1`: "{ }"` ))' ;} 2> /dev/null || err_exit 'problem with ` inside (())'
varname=foobarx
x=`print '"\$'${varname}'"'`
[[ $x == '"$foobarx"' ]] || err_exit $'\\$\' not handled correctly inside ``'
copy1=5 copynum=1
foo="`eval echo "$"{copy$copynum"-0}"`"
[[ $foo == "$copy1" ]] || err_exit '$"..." not being ignored inside ``'
exit $((Errors))