1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
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echo "Single Quote"
echo 'foo
bar'
echo 'foo
bar'
echo 'foo\
bar'
echo "Double Quote"
echo "foo
bar"
echo "foo
bar"
echo "foo\
bar"
echo "Backslash Single Quote"
echo `echo 'foo
bar'`
echo `echo 'foo
bar'`
echo `echo 'foo\
bar'`
echo "Backslash Double Quote"
echo `echo "foo
bar"`
echo `echo "foo
bar"`
echo `echo "foo\
bar"`
echo "Double Quote Backslash Single Quote"
echo "`echo 'foo
bar'`"
echo "`echo 'foo
bar'`"
echo "`echo 'foo\
bar'`"
echo "Dollar Paren Single Quote"
echo $(echo 'foo
bar')
echo $(echo 'foo
bar')
echo $(echo 'foo\
bar')
echo "Dollar Paren Double Quote"
echo $(echo "foo
bar")
echo $(echo "foo
bar")
echo $(echo "foo\
bar")
echo "Double Quote Dollar Paren Single Quote"
echo "$(echo 'foo
bar')"
echo "$(echo 'foo
bar')"
echo "$(echo 'foo\
bar')"
# old-style command substitution parsing compatibility tests -- post bash-3.1
recho 'foo \\
bar'
recho 'foo \
bar'
echo `recho sed -e 's/[ :]/\\
/g'`
echo `recho sed -e 's/[ :]/\
/g'`
echo `recho 'foo\\
bar'`
echo `recho 'foo\
bar'`
echo $(recho 'foo\
bar')
a=`echo 'a b c' | sed 's/ /\\
/g' | grep 'b'`
echo $a
a=`echo 'a b c' | sed 's/ /\\
/g'`
echo "$a"
recho `echo 'a\' b`
recho `echo '\$' bab`
recho `echo '\$foo' bab`
recho `echo '$foo' bab`
recho `echo '\`' ab`
recho `echo '\\' ab`
echo `echo '${'`
recho `echo "(\\")"`
# produces no output
: `: "\\""`
# ultimate workaround
recho `echo "(\")"`
${THIS_SH} ./quote1.sub
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