https://www.imosver.com/en/libros/programacion-shell-en-unixlinux-00107936030010793603Programación shell en Unix/Linux36.1Este libro sobre la programación shell se dirige a los usuarios y administradores de sistemas Unix/Linux, que deseen formarse en la escritura de scripts shell. Se detallan las funcionalidades de los shttps://static.imosver.com/imagenes_small/9782409/978240904142.jpgLibrosLibros/INFORMATICASin stockENI EDICIONES000https://static.imosver.com/imagenes_small/9782409/978240904142.jpg3851.92023/06/019782409041426Deffaix Remy, ChristineLibrosaño_2023idioma_SpanishCautor_Deffaix Remy, Christinesaga_EXPERT IT
Artículo
Programación shell en Uni
Deffaix Remy Christine
ENI EDICIONES
INFORMATICA
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Este libro sobre la programación shell se dirige a los usuarios y administradores de sistemas Unix/Linux, que deseen formarse en la escritura de scripts shell. Se detallan las funcionalidades de los shells ksh 88, ksh93 y bash y cuando sea necesario, se especi¡fica el cumplimiento del estándar POSIX. Se utiliza el mismo crite¡rio para la compatibilidad con el histórico shell Bourne. Los temas se presentan de forma progresiva y pedagógica, lo que hace que este libro sea un soporte ideal destinado tanto a la formación profesional como a la autoformación. Los primeros capítulos se dedican al funcionamiento del shell: ejecución de un comando, caracteres especiales del shell emplea¡dos con frecuencia (redirecciones, pipes, etc.), configuración del entorno de trabajo del usuario (variables y archivos de entorno, etc.). El libro continúa con la programación propiamente dicha. Se pre¡sentan los aspectos básicos de la programación (variables, estructuras de control, comandos de prueba y de cálculo, etc.) y se ilustran con muchos ejemplos. Posteriormente, se detallan los aspectos avanzados de la programación shell (gestión de archi¡vos, funciones, etc.). Se explican en detalle los mecanismos internos del shell y se ilustran con numerosos esquemas. La última parte del libro se dedica a las herramientas comple¡mentarias indispensables para el tratamiento de cadenas de ca¡racteres y archivos de texto: las expresiones regulares básicas y extendidas, el editor no interactivo sed, una visión extendida del lenguaje awk rico en funcionalidades gawk, al igual que los principales comandos de filtro de los sistemas Unix. El capítulo Como hacer... resume las problemáticas principales y presenta diferentes métodos de resolución. Los ejercicios permitirán al lector practicar la escritura de scripts shells a lo largo del libro. Las soluciones se presentan en el último capítulo. Los ejemplos de los scripts presentados en el libro, al igual que los scripts de solución a los ejercicios, se pueden descargar desde el sitio web www.ediciones-eni.com.