45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
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# $FreeBSD$
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e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
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h='##'
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failures=''
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ok=''
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testcase() {
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code="$1"
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expected="$2"
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oIFS="$IFS"
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eval "$code"
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IFS='|'
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result="$#|$*"
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IFS="$oIFS"
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if [ "x$result" = "x$expected" ]; then
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ok=x$ok
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else
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failures=x$failures
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echo "For $code, expected $expected actual $result"
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fi
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}
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# We follow original ash behaviour for quoted ${var+-=?} expansions:
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# a double-quote in one switches back to unquoted state.
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# This allows expanding a variable as a single word if it is set
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# and substituting multiple words otherwise.
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# It is also close to the Bourne and Korn shells.
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# POSIX leaves this undefined, and various other shells treat
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# such double-quotes as introducing a second level of quoting
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# which does not do much except quoting close braces.
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testcase 'set -- "${p+"/et[c]/"}"' '1|/etc/'
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testcase 'set -- "${p-"/et[c]/"}"' '1|/et[c]/'
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testcase 'set -- "${p+"$p"}"' '1|/etc/'
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testcase 'set -- "${p-"$p"}"' '1|/et[c]/'
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testcase 'set -- "${p+"""/et[c]/"}"' '1|/etc/'
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testcase 'set -- "${p-"""/et[c]/"}"' '1|/et[c]/'
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testcase 'set -- "${p+"""$p"}"' '1|/etc/'
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testcase 'set -- "${p-"""$p"}"' '1|/et[c]/'
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testcase 'set -- "${p+"\@"}"' '1|@'
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testcase 'set -- "${p+"'\''/et[c]/'\''"}"' '1|/et[c]/'
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test "x$failures" = x
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