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The source code comes with a 'complete.tcsh' file containing many examples of its completion syntax. Windows PowerShell , the extensible command shell from Microsoft, which is based on object-oriented programming and the Microsoft .NET framework, provides powerful and customizable completion capabilities similar to those of traditional Unix shells.
[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
Name Description arch: Prints machine hardware name (same as uname -m) basename: 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
Autocompletion in database query tools allows the user to autocomplete the table names in an SQL statement and column names of the tables referenced in the SQL statement. As text is typed into the editor , the context of the cursor within the SQL statement provides an indication of whether the user needs a table completion or a table column ...
When a user presses the tab key within an interactive command-shell, Bash automatically uses command line completion, since beta version 2.04, [95] to match partly typed program names, filenames and variable names. The Bash command-line completion system is very flexible and customizable, and is often packaged with functions that complete ...
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Tcl, Perl, Rexx, and Python have graphics toolkits and can be used to code functions and procedures for shell scripts which pose a speed bottleneck (C, Fortran, assembly language &c are much faster still) and to add functionality not available in the shell language such as sockets and other connectivity functions, heavy-duty text processing ...