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https://github.com/fish-shell/fish-shell
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555af37616
Prior to this fix, an escaped character like \x41 (hex for ascii A) was interpreted the same was as A, so that $\x41 would be the same as $A. Fix this by inserting an INTERNAL_SEPARATOR before these escapes, so that we no longer treat it as part of the variable name. This also affects brackets; don't treat echo $foo\1331\135 the same as echo $foo[1]. Fixes #7969
94 lines
1.9 KiB
Fish
94 lines
1.9 KiB
Fish
#RUN: %fish %s
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set n 10
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set test (seq $n)
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echo $test[1..$n] # normal range
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#CHECK: 1 2 3 4 5 6 7 8 9 10
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echo $test[1 .. 2] # spaces are allowed
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#CHECK: 1 2
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echo $test[$n..1] # inverted range
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#CHECK: 10 9 8 7 6 5 4 3 2 1
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echo $test[2..5 8..6] # several ranges
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#CHECK: 2 3 4 5 8 7 6
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echo $test[-1..-2] # range with negative limits
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#CHECK: 10 9
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echo $test[-1..1] # range with mixed limits
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#CHECK: 10 9 8 7 6 5 4 3 2 1
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set test1 $test
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set test1[-1..1] $test
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echo $test1
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#CHECK: 10 9 8 7 6 5 4 3 2 1
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set test1[1..$n] $test
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echo $test1
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#CHECK: 1 2 3 4 5 6 7 8 9 10
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set test1[$n..1] $test
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echo $test1
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#CHECK: 10 9 8 7 6 5 4 3 2 1
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set test1[2..4 -2..-4] $test1[4..2 -4..-2]
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echo $test1
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#CHECK: 10 7 8 9 6 5 2 3 4 1
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echo (seq 5)[-1..1]
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#CHECK: 5 4 3 2 1
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echo (seq $n)[3..5 -2..2]
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#CHECK: 3 4 5 9 8 7 6 5 4 3 2
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echo $test[(count $test)..1]
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#CHECK: 10 9 8 7 6 5 4 3 2 1
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echo $test[1..(count $test)]
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#CHECK: 1 2 3 4 5 6 7 8 9 10
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echo $test[ .. ]
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#CHECK: 1 2 3 4 5 6 7 8 9 10
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echo $test[ ..3]
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#CHECK: 1 2 3
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echo $test[8.. ]
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#CHECK: 8 9 10
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echo $test[..2 5]
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# CHECK: 1 2 5
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echo $test[2 9..]
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# CHECK: 2 9 10
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# missing start, cannot use implied range
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echo $test[1..2..]
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#CHECKERR: {{.*}}: Invalid index value
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#CHECKERR: echo $test[1..2..]
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#CHECKERR: ^
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echo $test[..1..2]
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#CHECKERR: {{.*}}: Invalid index value
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#CHECKERR: echo $test[..1..2]
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#CHECKERR: ^
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set -l empty
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echo $test[ $empty..]
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#CHECK:
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echo $test[.."$empty"]
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#CHECK: 1 2 3 4 5 6 7 8 9 10
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echo $test["$empty"..]
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#CHECK: 1 2 3 4 5 6 7 8 9 10
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echo $test[ (true)..3]
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#CHECK:
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echo $test[ (string join \n 1 2 3)..3 ]
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#CHECK: 1 2 3 2 3 3
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set -l list 1 2 3
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set list[..2] $list[2..1]
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echo $list # CHECK: 2 1 3
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set -l list 1 2 3
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set list[2..] $list[-1..2]
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echo $list # CHECK: 1 3 2
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# Regression test for #7969.
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set fo shorty
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set foo A B C
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echo $foo[1]
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# CHECK: A
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echo $foo\1331\135
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# CHECK: A[1] B[1] C[1]
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echo $foo\x5b1\x5d
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# CHECK: A[1] B[1] C[1]
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echo $foo\1331\135
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# CHECK: A[1] B[1] C[1]
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echo $fo\157
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# CHECK: shortyo
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