File extensions
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Some file extensions
Lazarus
Project files
extension | description |
---|---|
.lpi | Lazarus Project Information file (stored in XML; contains project-specific settings) |
.lpr | Lazarus Program file; contains Pascal source of main program |
.lfm | Lazarus Form file; contains configuration information for all objects on a form (stored in a Lazarus-specific format; the actions are described by Pascal source code in a corresponding .pas file) |
.pas | Unit with Pascal code (typically for a form stored in a corresponding .lfm file) |
.pp | Pascal code |
.lrs | Lazarus Resource file (this is a generated file; not to be confused with a Windows resource file). |
.ppu | Compiled unit, symbols part. |
.o | (1) Compiled unit, code part. (2) Compiled code from other compilers (e.g. gcc) |
.or | object resource, automatically generated from {$R} directive. |
.a | (1) Compiled unit, code part for smartlinking (on some platforms) (2) Compiled code from other compilers (e.g. gcc) linked into a static library |
.lpk | Lazarus package information file. (stored in XML; contains package-specific settings) |
.inc | Include file |
.lps | Lazarus Project Session file. See Project Options Save session information in |
.lrt | Lazarus Resourcestring table created when saving a .lfm file and i18n is enabled. It contains the TTranslateString properties of the .lfm. |
.rst | Resourcestring table created by the compiler for every unit with a resourcestring section. |
.rsj | Resourcestring table in JSON format created by FPC 2.7.1 for units with resourcestring section. |
.compiled | compilation session for a project |
.ico | program icon |
.gitignore | list of files/directories to be ignored when using git |
.rc | resource file |
.res | compiled resource file |
Subversion or Git
These files would normally be stored in a repository as an adequate description of a project:
*.lpi *.lpr *.lfm *.pas *.pp
These files might contain manually-generated or imported information, or might be regenerated by the IDE or build process. In general, if they have the same basename as the project or a form or unit they're IDE-generated, but in all cases should be reviewed individually:
*.inc *.res *.lrs *.rc *.ico
These files are regenerated by the IDE or by a build so do not need to be stored:
*.ppu *.o *.a *.lps *.or *.rst *.compiled
Note that *.lrj files are generated for every form while tracking i18n, loss of these files can cause missing translations.
There is an example .gitignore file at [1].
Delphi
Project files
*.dfm Delphi form module *.dof Delphi project options file *.dsk Desktop configuration
Converting Delphi projects
Lazarus can convert at least some Delphi project files into its own format.
Application
General
*.txt Text file *.po Gettext Portable Object *.bak Backup *.cfg Config file *.chm Compiled Help File - contains html. See also package chm *.csv Comma Separated Values text file format *.exe Directly executable program *.hlp Help file *.ini Initialization file *.odt OpenDocument text document *.pdf Portable Document Format *.ps PostScript *.rtf Rich Text Format text file
Image
*.png Portable network graphic *.bmp bitmap *.ico icon *.xpm pixmap *.ppm portable pixmap *.pgm portable graymap *.pbm portable bitmap *.jpg compressed image format standardised by the Joint Photographic Experts Group (JPEG)
XML
*.xml *.dtd *.xsd *.xsl
Web
*.html Hypertext Markup Language *.css Cascading style sheet
Archive
*.tar tape archive *.zip
Database
*.dbf Database file *.mdx Multiple index file
Spreadsheet
*.ods OpenOffice.org Calc spreadsheet File Format *.xls Microsoft Excel File Format *.xlsx Microsoft Office Open XML Excel File Format
Operating system
Linux and Unix
*.so Shared object library *.sh Shell script *.deb Debian Package *.rpm Red Hat Package Manager
Mac
*.app Application bundle *.dmg Disk Image File *.dylib Dynamic shared library *.framework Framework (set of interfaces or subframeworks) *.plist Property list (storage for serialised objects)
Windows
*.bat Batch file. It's a text file that contains a sequence of commands for a computer operating system. *.dll dynamic-link library *.exe Directly executable program