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- BASH
- fo" title="Bash scripting cheatsheet" icon="true">https://devhints.io/bash</callout> <callout type="info" title="The Bash Hackers Wiki" icon="true">https://wiki.bash-hackers.org/start</callout> <callout... title="Bash variables and command substitution">[[http://www.compciv.org/topics/bash/variables-and-subst... arning" icon="true" title="Parameter expansion">[[http://wiki.bash-hackers.org/syntax/pe?rev=1529675381]
- Special Shell Variables & Parameter Substitution and Expansion
- abajo ejecutado en background | Mirar también: [[http://wiki.bash-hackers.org/scripting/posparams]] ... r, mirar **shell expansion pattern matching** : [[https://www.cyberciti.biz/tips/bash-shell-parameter-su... stitution-2.html]] === resumen expansion /via: [[http://wiki.bash-hackers.org/syntax/pe?do=]]\\ /mas: [[https://tldp.org/LDP/abs/html/string-manipulation.html
- comandos bash
- de un comando pese a salir de la terminal * [[https://rm-rf.es/nohup-mantiene-ejecucion-comando-pese... * desactivar touchpad mientras escribes * [[https://linux.die.net/man/1/syndaemon]] * ''apt-ge... cat -vte printf "%s\n" * | od -bc </code> /vía: [[https://stackoverflow.com/questions/19604384/unixtwo-d... excluir ficheros del listado (y otras cosas??): [[http://askubuntu.com/questions/333640/cp-command-to-ex
- Zona Horaria
- ia de interés: ''export TZ=Europe/Andorra'' * [[https://superuser.com/questions/188224/temporarily-cha... lay-date-time-shown-during-an-ssh-session]] * [[https://en.wikipedia.org/wiki/List_of_tz_database_time... no a la hora de ejecución * ''CRON_TZ'' ? * [[http://man.he.net/man5/crontab]] == modificación per... o de TZ, por ejemplo: **Europe/Androrra** /via: [[https://linuxacademy.com/blog/linux/changing-the-time-
- Estructuras de control y bucles
- na1 -> longitud = 0 * cadena =~ REG_EXP * [[http://stackoverflow.com/questions/2348379/use-regular-expression-in-if-condition-in-bash]] * [[http://wiki.bash-hackers.org/syntax/ccmd/conditional_e... * && -> and * || -> OR * ! -> NOT /vía: [[http://www.linux-es.org/node/238]] == estructuras === if/else [[https://phoenixnap.com/kb/bash-if-statement]] {{:linux
- find
- sto actualmente hace match en 01,06,11,16 * [[https://newbedev.com/how-to-use-regex-with-find-command]] * [[https://unix.stackexchange.com/questions/70933/regular... n-for-finding-double-characters-in-bash]] * [[https://stackoverflow.com/questions/6844785/how-to-use-regex-with-find-command]] * [[https://regex101.com/]] * [[https://towardsdatasci
- Referencias indirectas
- ${!my*}="bye" echo $myVar # bye </code> /vía: [[https://stackoverflow.com/questions/8515411/what-is-in... o $VARIABLE # $VARIABLE </code> /via: [[https://stackoverflow.com/questions/9938649/indirect-variable-assignment-in-bash]] == + info * [[http://tldp.org/LDP/abs/html/ivr.html]] * [[https://stackoverflow.com/questions/8515411/what-is-indirect-e
- arrays bash
- NOTOC~~ {{tag>linux bash pendiente wiki}} /via: [[http://www.thegeekstuff.com/2010/06/bash-array-tutoria... ción de interés (arrays indirection)" icon="true">http://wiki.bash- hackers.org/syntax/arrays?rev=153492... ción de interés (arrays asociativos)" icon="true">https://www.artificialworlds.net/blog/2012/10/17/bash-... * número de items: ''${#array[*]}'' * vía: [[http://www.linuxjournal.com/content/bash-arrays]] <bu
- Funciones
- Funciones * pasando parámentros a funciones: [[https://stackoverflow.com/questions/6212219/passing-parameters-to-a-bash-function]] * [[http://tldp.org/LDP/abs/html/complexfunct.html]] * variables locales en funciones: [[http://tldp.org/LDP/abs/html/localvar.html]] * retorno de valores: [[https://www.linuxjournal.com/content/return-values-bas
- awk
- = awk /via: [[https://www.howtogeek.com/562941/how-to-use-the-awk-command-on-linux/]] * rule = pattern... c/passwd</code> * los patrones hacen uso de [[https://en.wikipedia.org/wiki/Regular_expression|expre... >awk '/^UUID/ {print $0}' /etc/fstab</code> * [[https://www.gnu.org/software/gawk/manual/gawk.html#Bui
- brace expansion
- type="info" icon="true" title="Brace expansion">[[http://wiki.bash-hackers.org/syntax/expansion/brace]]<... ee **6 different URLs** to download. <code> wget http://docs.example.com/documentation/slides_part{1,2,... easier, to do that with a sequence: <code> wget http://docs.example.com/documentation/slides_part{1..6
- dd
- que cambiar algún dato en **/etc/fstab** /via: [[https://superuser.com/questions/1525980/how-to-copy-a-... ctors – 20) bs=1k </code> === ISO * <code bash https://www.cyberciti.biz/tips/linux-creating-cd-rom-i... =... | pv <-s size> | sudo dd of=...</code> * [[http://askubuntu.com/questions/215505/how-do-you-monit
- locale
- = locale * [[http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes|lista de los códigos locale]] * pa... perar en español con mensajes en inglés * [[https://www.thomas-krenn.com/en/wiki/Configure_Locales... setxkbmap -layout 'es,es' -model pc105'' * [[https://andalinux.wordpress.com/2008/08/08/configurar-
- Locales
- numeric-codeset="UTF-8" </code> == + info * [[https://gerardnico.com/linux/locale]] * [[https://stackoverflow.com/questions/30479607/explain-the-effects-of-export-lang-lc-ctype-lc-all]] * [[https://www.cyberciti.biz/faq/how-to-set-locales-i18n-
- debug en bash
- = debug en bash [[https://www.cyberciti.biz/tips/debugging-shell-script.html]] == variables de entorno ... = $c" </code> == herramientas * shellcheck: [[https://www.cyberciti.biz/programming/improve-your-bas