The Big Book of PowerShell Error Handling (Spanish)
The Big Book of PowerShell Error Handling (Spanish)
Sobre este libro
A pesar del título, este es en realidad un pequeño y conciso libro diseñado para ayudarle a entender cómo PowerShell genera y maneja errores. Intentará ayudarle a crear el mejor manejo posible de errores para sus propios scripts y funciones, en tan solo unas pocas lecciones.
(Spanish translation by Alvaro Torres)
Sobre el autor
Tabla de contenido
- El gran libro de manejo de errores en PowerShell
-
Introducción
- ¿Qué es el manejo de errores?
- ¿Cómo está organizado este libro?
-
Fundamentos para el manejo de errores en PowerShell
- ErrorRecords y Exceptions
- Terminating versus Non-Terminating Errors
-
Controlando el comportamiento de los errores
- La variable $Error
- ErrorVariable
- $MaximumErrorCount
- ErrorAction y $ErrorActionPreference
- Try/Catch/Finally
- Trap
- La variable $LASTEXITCODE
- La variable $?
- Resumen
-
Análisis de los resultados de las pruebas de manejo de errores
- Interceptando errores Non-Terminating
- Interceptando errores Terminating
- Efectos de establecer ErrorAction o $ErrorActionPreference
- Cómo se comporta PowerShell cuando se encuentra errores Terminating no controlados
- Conclusiones
-
Poniéndolo todo junto
- Supresión de errores (no haga esto)
- Uso de la variable $? (úselo bajo su propio riesgo)
- Determinar qué tipos de errores puede producir un comando
- Tratamiento de errores Terminating
- Tratamiento de errores Non-Terminating
- Llamando a programas externos
- Epílogo
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