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===MMUNIX - UNIX-like commands: cat dir grep more===
{{ :migratedattachments:mmbasic_original:mmunix_v2.zip?linkonly}} {{ :migratedattachments:mmbasic_original:mmunix.zip?linkonly}} 

==UNIX-like Commands for the MaxiMite==

The following four UNIX-like commands are implemented as "implied RUN commands" (see page 24 of the MMBasic manual for implied RUN commands):

  cat   catenate files to output
  dir   list files
  grep  search files using a pattern or string
  more  file pager and hexdump

These commands support the following useful command-line features:

  * File and directory name globbing with ''*'' and ''?''
  * Paths can be separated with ''\'' as usual or with ''/''
  * Input can be redirected with ''< FILE'' 
  * Output can be redirected with ''> FILE'' or ''>> FILE'' (append)

These are implied RUN commands that you can rename, for example rename file CAT.BAS to MMCAT.BAS to rename ''cat'' to ''mmcat''.

===Download===

Download MMUNIX.zip from Attachments in the upper right corner.


===cat - CAT.BAS===

Catenates one or more files to output.

Usage:

  cat PATHNAMES
  < FILE    redirect input from the specified FILE
  > FILE    redirect output to the specified FILE
  >> FILE   append output to the specified FILE
  PATHNAMES list of dir/file paths to catenate, using * and ? wildcards

When ''PATHNAMES'' is not provided or a - argument is provided then this command reads input from standard input.

Example:

  Catenate all .bas files in the project directory into bundle.bas:
  cat project/*.bas > bundle.bas


===dir - DIR.BAS===

Lists the contents of one or more directories.

Usage:
  dir [-a][-p] PATHNAMES
  -a        show hidden files and directories
  -p        do not pause
  < FILE    redirect input from the specified FILE
  > FILE    redirect output to the specified FILE
  >> FILE   append output to the specified FILE
  PATHNAMES list of dir/file paths to list, using * and ? wildcards

When PATHNAMES is not provided, lists the contenst of the current directory.

Example:

  List the contents of the project and reports directories without pausing:
  dir -p project reports


===grep - GREP.BAS===

Searches one or more files for a regex pattern or string match.

Usage:
  grep [-f][-n] "PATTERN" PATHNAMES
  -f        fast string matching
  -n        include line numbers in the output
  < FILE    redirect input from the specified FILE
  > FILE    redirect output to the specified FILE
  >> FILE   append output to the specified FILE
  PATTERN   regex composed of . &#0091;]] ? * + ^ $
  PATHNAMES list of dir/file paths to search, using * and ? wildcards

Option ''-f'' matches a string provided as ''"PATTERN"'', rather than a regex, and is much faster.

Regex syntax:
  .     matches any character
  [abc] matches a, b or c
  \.    matches ., likewise <code>\?</code> matches ?, <code>\\</code> matches \ and so on
  ?     matches zero or one of the previous character, reluctantly
  *     matches zero or more of the previous character, reluctantly
  +     matches one or more of the previous character, reluctantly
  ^     matches begin of text
  $     matches end of text

Example:

  Search and display the lines with line numbers of .bas files in the project directory that have the text "Usage" at the start of the line: 
  grep -n "^Usage:" project/*.bas


===more - MORE.BAS===

Page through one or more files or display hexdump.

The pager pauses after each page is displayed, use keys to advance:

  SPACE next page
  ENTER next line
  ESC   quit this file

Usage:
  more [-a][-n][-p][-r][-x] PATHNAMES
  -a        show contents of hidden files
  -n        add line numbers
  -p        do not pause
  -r        show raw control characters
  -x        show hex dump
  < FILE    redirect input from the specified FILE
  > FILE    redirect output to the specified FILE
  >> FILE   append output to the specified FILE
  PATHNAMES list of dir/file paths to display, using * and ? wildcards

Option -x displays a hexdump and ASCII table of the file contents.

Example:

  Display all .bas files in the project directory and its subdirectories:
  more project/*.bas project/*/*.bas


===LICENSE AND COPYRIGHT===

BSD-3 open source, Copyright R.A. van Engelen