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=== SVARCOM ===
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=== SVARCOM ===
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SvarCOM is the SvarDOS command line interpreter, known usually under the name
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SvarCOM is the SvarDOS command line interpreter, known usually under the name
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"COMMAND.COM". It is designed and maintained by Mateusz Viste, and distributed
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"COMMAND.COM". It is designed and maintained by Mateusz Viste, and distributed
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under the terms of the MIT license.
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under the terms of the MIT license.
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The goal is to make SvarCOM the default SvarDOS shell, replacing FreeCOM.
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The goal is to make SvarCOM the default SvarDOS shell, replacing FreeCOM.
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Why replacing FreeCOM, you ask? See FREECOM.TXT for details.
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Why replacing FreeCOM, you ask? See FREECOM.TXT for details.
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SvarCOM is a work-in-progress effort. As such, it still lacks a few things:
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SvarCOM is a work-in-progress effort. As such, it still lacks a few things:
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- pipes (cmd.exe | more) and stdin redirections (cmd.exe < file)
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- advanced batch constructs (conditionals, errorlevels...)
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- a few internal commands missing: CALL, CTTY, GOTO, IF, LH
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- a few internal commands missing: CALL, CTTY, GOTO, LH
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- DIR misses a few switches (/S, /O, /A)
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- DIR misses two switches: /S, /O
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- ... (see TODO.TXT for more details)
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SvarCOM is minimalist and I'd like to keep it that way. It aims to be
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SvarCOM is minimalist and I'd like to keep it that way. It aims to be
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functionaly equivalent to COMMAND.COM from MS-DOS 5.x/6.x. No LFN support.
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functionaly equivalent to COMMAND.COM from MS-DOS 5.x/6.x. No LFN support.
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As of version 2021.0, SvarCOM's resident footprint is under 2 KiB.
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As of version 2021.1, SvarCOM's resident footprint is under 2 KiB.
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Translation strings are stored in the file SVARCOM.LNG, which should be
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Translation strings are stored in the file SVARCOM.LNG, which should be
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placed in a directory pointed at by %NLSPATH% for SvarCOM to be able to output
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placed in a directory pointed at by %NLSPATH% for SvarCOM to be able to output
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messages in non-english languages. SvarCOM's language is controlled by the
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messages in non-english languages. SvarCOM's language is controlled by the
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%LANG% environment variable. NOTE: at this time translations aren't available
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%LANG% environment variable. NOTE: at this time translations aren't available
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yet, with the proof-of-concept exceptions of the 'PAUSE' and 'SHIFT' commands.
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yet, with the proof-of-concept exceptions of the 'PAUSE' and 'SHIFT' commands.
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Latest version available here: http://svardos.osdn.io/svarcom
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Latest version available here: http://svardos.osdn.io/svarcom
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=== INTERNAL COMMANDS ========================================================
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=== INTERNAL COMMANDS ========================================================
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SvarCOM implements the following internal commands. For help on each command,
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SvarCOM implements the following internal commands. For help on each command,
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run it with a "/?" argument.
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run it with a "/?" argument.
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BREAK - sets or clears extended CTRL+C checking
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BREAK - sets or clears extended CTRL+C checking
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CD/CHDIR - displays the name of or changes the current directory
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CD/CHDIR - displays the name of or changes the current directory
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CHCP - displays or sets the active code page number
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CHCP - displays or sets the active code page number
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CLS - clears the screen
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CLS - clears the screen
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COPY - copies one or more files to another location
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COPY - copies one or more files to another location
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DATE - displays or sets the system date
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DATE - displays or sets the system date
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DEL/ERASE - deletes one or more files
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DEL/ERASE - deletes one or more files
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DIR - displays a list of files and subdirectories in a directory
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DIR - displays a list of files and subdirectories in a directory
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ECHO - displays messages, or turns command-echoing on or off
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ECHO - displays messages, or turns command-echoing on or off
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EXIT - quits the command.com program (command interpreter)
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EXIT - quits the command.com program (command interpreter)
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IF - performs conditional processing in batch programs
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MD/MKDIR - creates a directory
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MD/MKDIR - creates a directory
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PATH - displays or sets a search path for executable files
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PATH - displays or sets a search path for executable files
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PAUSE - suspends processing of a batch program
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PAUSE - suspends processing of a batch program
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PROMPT - changes the DOS command prompt
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PROMPT - changes the DOS command prompt
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REM - records comments (remarks) in a batch file or CONFIG.SYS
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REM - records comments (remarks) in a batch file or CONFIG.SYS
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REN/RENAME - renames a file or files
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REN/RENAME - renames a file or files
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RMDIR - removes (deletes) a directory
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RMDIR - removes (deletes) a directory
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SET - displays, sets or removes DOS environment variables
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SET - displays, sets or removes DOS environment variables
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SHIFT - changes the position of arguments in a batch file
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SHIFT - changes the position of arguments in a batch file
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TIME - displays or sets the system time
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TIME - displays or sets the system time
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TYPE - displays the contents of a text file
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TYPE - displays the contents of a text file
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VER - displays the DOS version
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VER - displays the DOS version
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VERIFY - tells DOS whether to verify that files are written correctly
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VERIFY - tells DOS whether to verify that files are written correctly
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VOL - displays the disk volume label and serial number
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VOL - displays the disk volume label and serial number
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=== LICENSE ==================================================================
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=== LICENSE ==================================================================
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SvarCOM is published under the terms of the MIT license.
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SvarCOM is published under the terms of the MIT license.
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Copyright (C) 2021 Mateusz Viste
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Copyright (C) 2021 Mateusz Viste
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Permission is hereby granted, free of charge, to any person obtaining a copy
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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SOFTWARE.
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====================================================================== EOF ===
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====================================================================== EOF ===
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