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- obsolete
- i.bash-hackers.org/scripting/obsolete This (incomplete) page describes some syntax and commands considered obsolete by some measure. A thorough discussi... st mostly for Bourne, csh, or some other backward compatibility with obsolete shells, or were Bash-spec... most current version of POSIX, and some may be incompatible with POSIX. ^ Syntax ^ Replacement ^
- quoting
- ted to the quote characters passed as text to the command line! The syntax quotes are removed before the command is called! Example: <code> ### NO NO NO: this... argument" MYARG="\"my multiword argument\"" somecommand $MYARG ### THIS IS NOT (!) THE SAME AS ### command "my multiword argument" ### YOU NEED ### MYAR
- positional-parameters
- arameters ====== ===== Intro ===== The day will come when you want to give arguments to your scripts.... ''$FUNCNAME''. ===== Shifting ===== The builtin command ''shift'' is used to change the positional pa... s: * ''$1'' will be discarded * ''$2'' will become ''$1'' * ''$3'' will become ''$2'' * ... * in general: ''$N'' will become ''$N-1'' The command
- redirection
- akes it possible to control where the output of a command goes to, and where the input of a command comes from. It's a mighty tool that, together with pipelines, makes the shell powerful. The redire... whenever a [[syntax:grammar:parser_exec | simple command is about to be executed]]. Under normal circ
- check-script
- . This tutorial shows how-to use [[https://github.com/pahaz/bashtest|bashtest]] tool for testing your s... sts ==== Lets write tests. We just write a shell command for testing our work. Create file **tests.ba... re **.bashtest** examples in the [[https://github.com/pahaz/bashtest | bashtest github repo]]. You can ... te your question or report a bug [[https://github.com/pahaz/bashtest/issues | here]]. Happy testing!
- echapement
- s un peu plus loin. Il faut savoir que toutes les commandes produisent deux flux de données différents, comme le montre la figure suivante : la sortie s... ut s'affiche dans la console : la sortie standard comme la sortie d'erreurs. Cela explique pourquoi vou... l'air identiques. Tout à l'heure, nous avons vu comment rediriger la sortie standard dans un fichier.