mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-08-12 05:00:50 +02:00
first set of changes to eliminate array subscript double expansion in math contexts
This commit is contained in:
Chet Ramey
+7
-10
@@ -520,13 +520,11 @@ argv[1] = <y>
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<X> <X> <X> <X>
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./array23.sub: line 22: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
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./array23.sub: line 23: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
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foo
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0
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foo
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foo
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foo
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6
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./array23.sub: line 34: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
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./array23.sub: line 24: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
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./array23.sub: line 26: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
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./array23.sub: line 30: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
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./array23.sub: line 33: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
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./array23.sub: line 34: $index: syntax error: operand expected (error token is "$index")
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./array23.sub: line 35: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
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0
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0
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@@ -743,10 +741,9 @@ argv[1] = <b>
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argv[2] = <a>
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argv[1] = <b+a>
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7
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./array27.sub: line 24: a[]]=7 : syntax error: invalid arithmetic operator (error token is "]=7 ")
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7
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declare -A A=([$'\t']="2" [" "]="2" )
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./array27.sub: line 36: ((: A[]]=2 : syntax error: invalid arithmetic operator (error token is "]=2 ")
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declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["@"]="2" )
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declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["]"]="2" ["@"]="2" )
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declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["]"]="2" ["@"]="2" )
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./array27.sub: line 52: A[]]: bad array subscript
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declare -A A=([$'\t']="X" ["*"]="X" [" "]="X" ["@"]="X" )
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@@ -283,3 +283,12 @@ declare -A v3=(["1 2"]="3 4 5" ["\$xtra"]="xtra" )
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declare -A v1=(["20 40 80"]="new xtra" ["1 2"]="3 4 5" )
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declare -A v2=(["20 40 80"]="new xtra" ["1 2"]="3 4 5" )
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declare -A v3=(["1 2"]="3 4 5" ["\$xtra"]="new xtra" )
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declare -A assoc=(["*"]="star" ["!"]="bang" ["@"]="at" )
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at
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star
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declare -A a=(["@"]="at" )
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./assoc13.sub: line 22: ia[@]: bad array subscript
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declare -a ia
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declare -A a=(["@"]="at2" )
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declare -A a=(["@"]=" string" )
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declare -A a=(["*"]="star2" ["@"]="at" )
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@@ -247,3 +247,6 @@ ${THIS_SH} ./assoc11.sub
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# more kvpair associative array assignment tests
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${THIS_SH} ./assoc12.sub
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# assignment to @ and *
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${THIS_SH} ./assoc13.sub
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@@ -0,0 +1,44 @@
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# assignment to @ and *
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declare -A assoc
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key=@
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key2=*
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assoc[$key]=at
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assoc[$key2]=star
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assoc[!]=bang
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declare -p assoc
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echo ${assoc[$key]}
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echo ${assoc[$key2]}
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unset assoc
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declare -A a
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a[@]=at
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declare -p a
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declare -a ia
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ia[@]=garbage
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declare -p ia
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declare a[@]=at2
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declare -p a
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unset a ia
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declare -A a
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printf -v a[@] "%10s" string
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declare -p a
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unset a
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declare -A a
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declare a[$key2]=star
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declare a[@]=at
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declare a[*]=star2
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declare -p a
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unset a
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@@ -0,0 +1,85 @@
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declare -A assoc=(["x],b[\$(echo uname >&2)"]="1" )
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declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="1" )
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declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="2" )
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./quotearray.tests: line 31: ((: 'assoc[x\],b\[\$(echo uname >&2)]++' : syntax error: operand expected (error token is "'assoc[x\],b\[\$(echo uname >&2)]++' ")
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declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="2" )
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./quotearray.tests: line 34: ((: 'assoc[x\],b\[\$(echo uname >&2)]'++ : syntax error: operand expected (error token is "'assoc[x\],b\[\$(echo uname >&2)]'++ ")
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declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="2" )
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declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="3" )
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4
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klmnopqrst
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klmnopqrst
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klmno
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klmnopqrst
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declare -A A=(["\$(echo %)"]="5" [%]="10" ["]"]="10" )
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declare -A A=(["~"]="42" )
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42
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declare -A A=(["~"]="43" )
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42
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declare -A A=(["~"]="43" ["~0"]="43" )
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12
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declare -a a=([0]="12" [1]="42")
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2
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2
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declare -Ai assoc=(["']"]="2" ["\$var"]="1" )
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105
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declare -A assoc=(["\` echo >&2 foo\`"]="42" ["\$( echo >&2 bar)"]="63" )
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./quotearray.tests: line 139: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
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./quotearray.tests: line 143: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
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1
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./quotearray.tests: line 146: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
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1
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./quotearray.tests: line 149: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
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1
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./quotearray.tests: line 152: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
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1
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declare -A assoc
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0
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0
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1
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0
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0
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0
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declare -A assoc=(["\` echo >&2 foo\`"]="128" [0]="0" ["]"]="12" ["x],b[\$(echo uname >&2)"]="42" ["~"]="42" ["\$( echo 2>& date)"]="foo" )
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foo
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0
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0
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./quotearray1.sub: line 67: 0\],b\[1: syntax error: invalid arithmetic operator (error token is "\],b\[1")
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declare -a array
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0
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0
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0
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0
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1
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1
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declare -A aa=(["\$( echo 2>& date)"]="foo" )
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foo
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0
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1
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declare -A a=([1]="1" [0]="0" [" "]="11" )
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7
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7
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declare -A A=([$'\t']="2" [" "]="2" )
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declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["]"]="2" ["@"]="2" )
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./quotearray2.sub: line 54: read: `A[]]': not a valid identifier
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declare -A A=([$'\t']="X" ["*"]="X" [" "]="X" ["@"]="X" )
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./quotearray2.sub: line 62: printf: `A[]]': not a valid identifier
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declare -A A=([$'\t']="X" ["*"]="X" [" "]="X" ["@"]="X" )
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./quotearray2.sub: line 70: declare: `A[]]=X': not a valid identifier
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declare -A A=(["*"]="X" ["@"]="X" )
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./quotearray2.sub: line 78: declare: `A[]]=X': not a valid identifier
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declare -A A=(["*"]="X" ["@"]="X" )
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./quotearray2.sub: line 89: let: assoc[x],b[$(echo: bad array subscript (error token is "b[$(echo")
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declare -A assoc
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declare -A assoc=(["\$var"]="value" )
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declare -A assoc=(["\$var"]="value" )
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declare -A assoc=(["\$var"]="value" )
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declare -A assoc=()
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declare -A a=()
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declare -A a=(["\$(echo foo)"]="1" )
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declare -A a=()
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declare -A a=(["\$(echo foo)"]="1" )
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./quotearray3.sub: line 66: typeset: assoc: not found
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1
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./quotearray3.sub: line 71: \@: syntax error: operand expected (error token is "\@")
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1
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@@ -0,0 +1,157 @@
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
|
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# a set of tests for associative arrays in arithmetic contexts
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declare -A assoc
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key='x],b[$(echo uname >&2)'
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(( assoc[$key]++ ))
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declare -p assoc
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(( assoc['$key']++ ))
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declare -p assoc
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(( assoc["$key"]++ ))
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declare -p assoc
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declare -A assoc
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(( 'assoc[$key]++' ))
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declare -p assoc
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(( 'assoc[$key]'++ ))
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declare -p assoc
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(( "assoc[$key]++" ))
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declare -p assoc
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unset assoc
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typeset -A a
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b="80's"
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((++a[$b]))
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((++a["$b"]))
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[[ $((++a[$b])) ]]
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[[ $((++a["$b"])) ]]
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echo ${a[$b]}
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unset a
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declare -A A
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string=abcdefghijklmnopqrstuvwxyz
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echo ${string:10:10}
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k1='%'
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k2='$(echo %)'
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A[%]=10
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A[']']=10
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A[$k2]=5
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k3=']'
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echo ${string:A[%]:A[$k1]}
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echo ${string:A[%]:A[$k2]}
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echo ${string:A[%]:A[$k3]}
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declare -p A
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unset A string key
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key='~'
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declare -A A
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A[$key]=42
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declare -p A
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echo $(( A[$key]++ ))
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declare -p A
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key='~0'
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A[$key]=42
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echo $(( A[$key]++ ))
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declare -p A
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declare -a a
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key='~-2'
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a[0]=12
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a[$key]=42
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echo $(( a[7<(4+2)] ))
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declare -p a
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unset A a key
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declare -A A
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declare -a a
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|
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sString="devel packager's guide"
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i=2
|
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|
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A["$sString"]=$i
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a[$i]=$sString
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echo "${A[${a[i]}]}"
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echo ${A["${a[i]}"]}
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|
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unset A a
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#LANG=C
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unset var assoc
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var=\'\]
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declare -Ai assoc
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assoc[$var]=1
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assoc[$var]+=1
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((assoc['$var']++))
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typeset -p assoc
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unset assoc
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declare -A assoc
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key1='` echo >&2 foo`'
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key2='$( echo >&2 bar)'
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assoc[$key1]=42
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assoc[$key2]=63
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echo $(( assoc[$key1] + assoc[$key2] ))
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declare -p assoc
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unset assoc
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|
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declare -a a
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key='x],b[$(echo uname >&2)'
|
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a[$key]=42
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|
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expr='a[$key]'
|
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|
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(( $expr ))
|
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echo $?
|
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|
||||
echo $(( $expr ))
|
||||
echo $?
|
||||
|
||||
echo $(( expr ))
|
||||
echo $?
|
||||
|
||||
(( expr ))
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echo $?
|
||||
|
||||
${THIS_SH} ./quotearray1.sub
|
||||
${THIS_SH} ./quotearray2.sub
|
||||
${THIS_SH} ./quotearray3.sub
|
||||
@@ -0,0 +1,105 @@
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
|
||||
# arithmetic operators for conditional commands and arithmetic commands
|
||||
|
||||
declare -A assoc
|
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declare -a index
|
||||
|
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key='x],b[$(echo uname >&2)'
|
||||
key1=']'
|
||||
key2='` echo >&2 foo`'
|
||||
key3='~'
|
||||
key4='7<(4+2)'
|
||||
key5='$( echo 2>& date)'
|
||||
|
||||
[[ -n assoc[$key] ]]
|
||||
declare -p assoc
|
||||
|
||||
assoc[$key]=42
|
||||
assoc[$key1]=12
|
||||
assoc[$key2]=128
|
||||
assoc[$key3]=42
|
||||
assoc[0]=0
|
||||
|
||||
[[ assoc[$key] -eq assoc[$key] ]]
|
||||
echo $?
|
||||
|
||||
[[ assoc[$key] -gt assoc[$key1] ]]
|
||||
echo $?
|
||||
|
||||
[[ assoc[$key2] -lt assoc[$key] ]]
|
||||
echo $?
|
||||
|
||||
[[ assoc[$key] -eq assoc[$key3] ]]
|
||||
echo $?
|
||||
|
||||
[[ index[7<(4+2)] -le assoc[0] ]]
|
||||
echo $?
|
||||
[[ index[$key4] -le assoc[0] ]]
|
||||
echo $?
|
||||
|
||||
assoc[$key5]=foo
|
||||
declare -p assoc
|
||||
|
||||
echo "${assoc[$key5]}"
|
||||
|
||||
[[ -v assoc[$key5] ]]
|
||||
echo $?
|
||||
[[ -v assoc[$key] ]]
|
||||
echo $?
|
||||
|
||||
unset assoc
|
||||
|
||||
declare -a array
|
||||
index='0],b[1';
|
||||
((array[$index]++))
|
||||
|
||||
declare -p array
|
||||
|
||||
unset array
|
||||
|
||||
declare -A assoc
|
||||
|
||||
assoc[$key]=42
|
||||
assoc[$key4]=42
|
||||
|
||||
[[ -v assoc[$key] ]]
|
||||
echo $?
|
||||
[[ -v assoc["$key"] ]]
|
||||
echo $?
|
||||
|
||||
[[ -v assoc[$key4] ]]
|
||||
echo $?
|
||||
[[ -v assoc["$key4"] ]]
|
||||
echo $?
|
||||
|
||||
[[ -v assoc['$key'] ]]
|
||||
echo $?
|
||||
[[ -v assoc['$key4'] ]]
|
||||
echo $?
|
||||
|
||||
declare -A aa
|
||||
aa[$key5]=foo
|
||||
|
||||
declare -p aa
|
||||
echo "${aa[$key5]}"
|
||||
|
||||
[[ -v aa[$key5] ]]
|
||||
echo $?
|
||||
|
||||
[[ -v aa[$key] ]]
|
||||
echo $?
|
||||
|
||||
unset aa key
|
||||
@@ -0,0 +1,92 @@
|
||||
# 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/>.
|
||||
#
|
||||
|
||||
# assoc_expand_once for builtins
|
||||
|
||||
typeset -A a
|
||||
a[0]=0 a[1]=1
|
||||
|
||||
let "a[\" \"]=11" ; typeset -p a ; a[0]=0
|
||||
|
||||
unset a
|
||||
|
||||
# tests for `problem' keys when using associative arrays and assoc_expand_once
|
||||
# deal with problems for now; this is a placeholder for if and when I fix them
|
||||
|
||||
typeset -A a
|
||||
|
||||
k='['
|
||||
echo $(( a[$k]=7 ))
|
||||
|
||||
k=']'
|
||||
echo $(( a[$k]=7 ))
|
||||
|
||||
unset a
|
||||
|
||||
declare -A A
|
||||
|
||||
for k in $'\t' ' '; do
|
||||
(( A[$k]=2 ))
|
||||
done
|
||||
declare -p A
|
||||
|
||||
for k in ']' '*' '@'; do
|
||||
(( A[$k]=2 ))
|
||||
done
|
||||
|
||||
declare -p A
|
||||
|
||||
unset A
|
||||
declare -A A
|
||||
|
||||
for k in $'\t' ' ' ']' '*' '@'; do
|
||||
read "A[$k]" <<< X
|
||||
done
|
||||
declare -p A
|
||||
|
||||
unset A
|
||||
declare -A A
|
||||
|
||||
for k in $'\t' ' ' ']' '*' '@'; do
|
||||
printf -v "A[$k]" "%s" X
|
||||
done
|
||||
declare -p A
|
||||
|
||||
unset A
|
||||
declare -A A
|
||||
|
||||
for k in ']' '*' '@'; do
|
||||
declare A[$k]=X
|
||||
done
|
||||
declare -p A
|
||||
|
||||
unset A
|
||||
declare -A A
|
||||
|
||||
for k in ']' '*' '@'; do
|
||||
declare "A[$k]=X"
|
||||
done
|
||||
declare -p A
|
||||
|
||||
unset A
|
||||
|
||||
# this isn't right yet, but changes will show up here
|
||||
shopt -s assoc_expand_once
|
||||
declare -A assoc
|
||||
key='x],b[$(echo uname >&2)'
|
||||
|
||||
let assoc[$key]++
|
||||
declare -p assoc
|
||||
|
||||
unset assoc
|
||||
@@ -0,0 +1,74 @@
|
||||
# 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/>.
|
||||
#
|
||||
|
||||
# assoc_expand_once and unset builtin, which is treated specially
|
||||
|
||||
declare -A assoc
|
||||
|
||||
var=x123
|
||||
assoc['$var']=value
|
||||
declare -p assoc
|
||||
|
||||
shopt -u assoc_expand_once
|
||||
unset "assoc[$var]"
|
||||
declare -p assoc
|
||||
|
||||
unset 'assoc[$var]'
|
||||
declare -p assoc
|
||||
|
||||
assoc['$var']=value
|
||||
shopt -s assoc_expand_once
|
||||
unset 'assoc[$var]'
|
||||
declare -p assoc
|
||||
|
||||
unset assoc
|
||||
|
||||
declare -A a
|
||||
a['$(echo foo)']=1
|
||||
|
||||
unset 'a[$(echo foo)]'
|
||||
declare -p a
|
||||
|
||||
key='$(echo foo)'
|
||||
a[$key]=1
|
||||
|
||||
unset 'a[$key]'
|
||||
declare -p a
|
||||
|
||||
a[$key]=1
|
||||
unset "a[$key]"
|
||||
declare -p a
|
||||
|
||||
a[$key]=1
|
||||
unset a[$key]
|
||||
declare -p a
|
||||
|
||||
unset a
|
||||
|
||||
typeset -A assoc
|
||||
key=@
|
||||
|
||||
assoc[@]=at
|
||||
assoc[!]=bang
|
||||
|
||||
unset -v assoc[$key]
|
||||
typeset -p assoc
|
||||
|
||||
test -v assoc[$key]
|
||||
echo $?
|
||||
|
||||
[[ -v assoc[$key] ]]
|
||||
echo $?
|
||||
|
||||
unset assoc
|
||||
@@ -0,0 +1,2 @@
|
||||
${THIS_SH} ./quotearray.tests >${BASH_TSTOUT} 2>&1
|
||||
diff ${BASH_TSTOUT} quotearray.right && rm -f ${BASH_TSTOUT}
|
||||
Reference in New Issue
Block a user