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When basename is given a pathname, it will delete any prefix up to the last slash ('/') character and return the result. basename is described in the Single UNIX Specification and is primarily used in shell scripts.
The resulting string is executed as a command. Bash also offers... Configurable execution environment(s): [79] Shell and session startup files such as ~/.bashrc and ~/.profile (i.e., dotfiles); Settings (set built-in) and shell options (shopt built-in) which alter shell behavior; Support for Unicode; With interactive invocation only,
Removes the path prefix from a given pathname chroot: Changes the root directory date: Prints or sets the system date and time dirname: Strips non-directory suffix from file name du: Shows disk usage on file systems echo: Displays a specified line of text env: Displays and modifies environment variables: expr: Evaluates expressions factor ...
The substitution command, which originates in search-and-replace in ed, implements simple parsing and templating. The regexp provides both pattern matching and saving text via sub-expressions, while the replacement can be either literal text, or a format string containing the characters & for "entire match" or the special escape sequences \1 ...
By convention, this prefix is only used in cases when the identifier would otherwise be either a reserved keyword (such as for and while), which may not be used as an identifier without the prefix, or a contextual keyword (such as from and where), in which cases the prefix is not strictly required (at least not at its declaration; for example ...
-Variable <String> A reference to the input objects will be assigned to the specified variable. Note: tee is implemented as a ReadOnly command alias . The internal cmdlet name is Microsoft.PowerShell.Utility\Tee-Object .
Bash, zsh and fish offer parameter name completion through a definition external to the command, distributed in a separate completion definition file. For command parameter name/value completions, these shells assume path/filename completion if no completion is defined for the command.
A here string (available in bash, ksh, or zsh) is syntactically similar, consisting of <<<, and effects input redirection from a word (a sequence treated as a unit by the shell, in this context generally a string literal). In this case the usual shell syntax is used for the word (“here string syntax”), with the only syntax being the ...