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              "name": "keyword.control.shell"
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          },
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              "include": "$self"
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          ]
        },
        {
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            "1": {
              "name": "keyword.control.shell"
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          },
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          "name": "meta.scope.while-loop.shell",
          "patterns": [
            {
              "include": "$self"
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          ]
        },
        {
          "begin": "\\b(select)\\s+((?:[^\\s\\\\]|\\\\.)+)\\b",
          "beginCaptures": {
            "1": {
              "name": "keyword.control.shell"
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            "2": {
              "name": "variable.other.loop.shell"
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          "endCaptures": {
            "1": {
              "name": "keyword.control.shell"
            }
          },
          "name": "meta.scope.select-block.shell",
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            }
          ]
        },
        {
          "begin": "(?<!-)\\b(case)\\b(?!-)",
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              "name": "keyword.control.shell"
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              "begin": "\\b(?:in)\\b",
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              },
              "end": "(?=\\b(?:esac)\\b)",
              "name": "meta.scope.case-body.shell",
              "patterns": [
                {
                  "include": "#comment"
                },
                {
                  "include": "#case-clause"
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                {
                  "include": "$self"
                }
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            },
            {
              "include": "$self"
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        },
        {
          "begin": "(?<!-)\\b(if)\\b(?!-|\\s*=)",
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            "1": {
              "name": "keyword.control.shell"
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          },
          "end": "\\b(fi)\\b",
          "name": "meta.scope.if-block.shell",
          "patterns": [
            {
              "include": "$self"
            }
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      ]
    },
    "math": {
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        {
          "include": "#variable"
        },
        {
          "match": "\\+{1,2}|-{1,2}|!|~|\\*{1,2}|/|%|<[<=]?|>[>=]?|==|!=|^|\\|{1,2}|&{1,2}|\\?|\\:|,|=|[*/%+\\-&^|]=|<<=|>>=",
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        {
          "match": "0[xX]\\h+",
          "name": "constant.numeric.hex.shell"
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        {
          "match": "0\\d+",
          "name": "constant.numeric.octal.shell"
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        {
          "match": "\\d{1,2}#[0-9a-zA-Z@_]+",
          "name": "constant.numeric.other.shell"
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        {
          "match": "\\d+",
          "name": "constant.numeric.integer.shell"
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    },
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        {
          "match": "(?<=\\s|:|=|^)~",
          "name": "keyword.operator.tilde.shell"
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        {
          "match": "\\*|\\?",
          "name": "keyword.operator.glob.shell"
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        {
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          "name": "keyword.other.shell"
        },
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          "name": "keyword.operator.pipe.shell"
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          },
          "name": "string.interpolated.process-substitution.shell",
          "patterns": [
            {
              "include": "$self"
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          ]
        },
        {
          "comment": "valid: &>word >&word >word [n]>&[n] [n]<word [n]>word [n]>>word [n]<&word (last one is duplicate)",
          "match": "&>|\\d*>&\\d*|\\d*(>>|>|<)|\\d*<&|\\d*<>",
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          "match": "\\\\.",
          "name": "constant.character.escape.shell"
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              "name": "punctuation.definition.string.begin.shell"
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            "0": {
              "name": "punctuation.definition.string.end.shell"
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          },
          "name": "string.quoted.single.shell"
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        {
          "begin": "\\$?\"",
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            "0": {
              "name": "punctuation.definition.string.begin.shell"
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              "include": "#variable"
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            {
              "include": "#interpolation"
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              "match": "\\\\(a|b|e|f|n|r|t|v|\\\\|')",
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            {
              "match": "\\\\[0-9]{3}",
              "name": "constant.character.escape.octal.shell"
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            {
              "match": "\\\\x[0-9a-fA-F]{2}",
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            },
            {
              "match": "\\\\c.",
              "name": "constant.character.escape.control-char.shell"
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          "match": "(?<=^|\\s)(?::|\\.)(?=\\s|;|&|$)",
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          "match": "(\\$)[-*@#?$!0_]",
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              "name": "punctuation.definition.variable.shell"
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          },
          "match": "(\\$)[1-9]",
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              "name": "punctuation.definition.variable.shell"
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          },
          "end": "\\}",
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          "patterns": [
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              "match": "!|:[-=?]?|\\*|@|#{1,2}|%{1,2}|/",
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              },
              "match": "(\\[)([^\\]]+)(\\])"
            },
            {
              "include": "#variable"
            },
            {
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          ]
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      ]
    }
  }
}