{"record":{"id":"5008e8313ea15557","repo":"yorukot/superfile","slug":"could-not-execute-shell-substitution-command-s","errorCode":null,"errorMessage":"could not execute shell substitution command : %s : %w","messagePattern":"could not execute shell substitution command : (.+?) : %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/internal/ui/prompt/tokenize.go","lineNumber":77,"sourceCode":"}\n\nfunc updateResCommand(resCommand *strings.Builder, openChar rune, token string,\n\tsubCmdTimeout time.Duration, cwdLocation string) error {\n\tswitch openChar {\n\tcase '{':\n\t\tvalue, ok := os.LookupEnv(token)\n\t\tif !ok {\n\t\t\treturn envVarNotFoundError{varName: token}\n\t\t}\n\t\t// Might Handle values being too big, or having multiple lines\n\t\t// But this is based on user input, so it is probably okay for now\n\t\t// Same comment for command substitution\n\t\tresCommand.WriteString(value)\n\tcase '(':\n\t\tretCode, output, err := utils.ExecuteCommandInShell(subCmdTimeout, cwdLocation, token)\n\n\t\tif retCode == -1 {\n\t\t\treturn fmt.Errorf(\"could not execute shell substitution command : %s : %w\", token, err)\n\t\t}\n\t\t// We are allowing commands that exit with non zero status code\n\t\t// We still use its output\n\t\tif retCode != 0 {\n\t\t\tslog.Debug(\"substitution command exited with non zero status\", \"retCode\", retCode,\n\t\t\t\t\"command\", token)\n\t\t}\n\t\tresCommand.WriteString(output)\n\tdefault:\n\t\treturn fmt.Errorf(\"unexpected openChar %v in tokenization\", openChar)\n\t}\n\treturn nil\n}\n\nfunc findEndingBracket(r []rune, openIdx int, openParan rune, closeParan rune) int {\n\tif openIdx < 0 || openIdx >= len(r) || r[openIdx] != openParan {\n\t\treturn -1\n\t}","sourceCodeStart":59,"sourceCodeEnd":95,"githubUrl":"https://github.com/yorukot/superfile/blob/b72f550bc6e75913f48eb49fdd258e1a2df2fe88/src/internal/ui/prompt/tokenize.go#L59-L95","documentation":"Error \"could not execute shell substitution command : %s : %w\" thrown in yorukot/superfile.","triggerScenarios":"Thrown at src/internal/ui/prompt/tokenize.go:77 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"b72f550bc6e75913f48eb49fdd258e1a2df2fe88","analyzedAt":"2026-09-01T04:38:08.254Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}