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authorJakob Kaivo <jkk@ung.org>2022-03-04 12:32:20 -0500
committerJakob Kaivo <jkk@ung.org>2022-03-04 12:32:20 -0500
commit55f277e77428d7423ae906a8e1f1324d35b07a7d (patch)
tree5c1c04703dff89c46b349025d2d3ec88ea9b3819 /miralib/manual/31/7
import Miranda 2.066 from upstream
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+_O_p_t_i_o_n_s_,_ _s_e_t_u_p_ _f_i_l_e_s_ _e_t_c_.
+
+The full form of the `mira' command is
+ mira [flags...] [script]
+this command causes a Miranda session to be entered with the given file
+as current script. If no script is specified a default filename
+`script.m' is assumed. The specified file need not yet exist - in this
+case you will be starting a Miranda session with an empty current
+script.
+
+Note that `.m' is the standard extension for Miranda language source
+files - the mira command always adds the `.m' extension, if missing, to
+any filename argument denoting a Miranda script.
+
+The available options are:
+
+ -lib pathname
+Tells mira to find miralib (directory containing libraries, manual pages
+etc.) at `pathname'. The default is to look for miralib of same version
+number as the program at `/usr/lib/miralib', `/usr/local/lib/miralib'
+and `./miralib', in that order. The -lib flag overrides the version
+number check. The same effect is obtained by setting an environment
+variable MIRALIB, see next manual section.
+
+ -gc
+Switches on a flag causing the garbage collector to print information
+each time a garbage collection takes place. This flag can also be
+switched on and off from within the miranda session by the commands
+`/gc', `/nogc'.
+
+ -count
+Switches on a flag causing statistics to be printed after each
+expression evaluation. This flag can also be switched on and off from
+within the miranda session by the commands `/count', `/nocount'.
+
+ -list
+ -nolist
+Switches on (off) a flag causing Miranda scripts to be listed to the
+screen during compilation. This flag can also be switched on and off
+from within the miranda session by the commands `/list', `/nolist'.
+
+ -nostrictif
+Enables the compiler to accept old Miranda scripts with missing
+occurrences of the keyword `if' in guard syntax. Probably obsolete but
+retained just in case someone needs it.
+
+ -hush
+ -nohush
+The miranda system decides whether or not to give prompts and other
+feedback by testing its standard input with `isatty'. If the standard
+input does not appear to be a terminal it assumes that prompts would be
+inappropriate, otherwise it gives them. In either case this behaviour
+can be overriden by an explicit flag ("-hush" for silence, "-nohush" for
+prompts etc). This switch is also available from within a miranda
+session by the commands `/hush', `/nohush'.
+
+ -dic SIZE
+Causes the dictionary (used by the compiler to store identifiers etc.)
+to be set up with SIZE bytes instead of the default 24kb.
+
+ -heap SIZE
+Causes the heap to be set up with SIZE cells instead of the default
+(currently 100k). This can also be done from within the miranda session
+by the command `/heap SIZE'. A cell currently occupies 9 bytes.
+
+ -editor name
+Causes the resident editor (initially `vi', unless the environment
+variable EDITOR was set to something else) to be `name' instead. This
+can also be done from within the miranda session by the command `/editor
+name'.
+
+ -UTF-8
+ -noUTF-8
+Assume the current locale is (is not) UTF-8 overriding environment vars
+(version 2.044 and later).
+
+ -stdenv
+Run mira without loading the standard environment. Every script that
+needs functions from the standard environment will then have to either
+explicitly %include <stdenv> or define the required functions for
+itself. Not recommended as normal practice since it may have unexpected
+consequences (for example I/O will be limited by the absence of type
+sys-message).
+
+ -object
+Used for debugging the compiler. Modifies behaviour of ?identifier(s)
+to show the associated combinator code, which may or may not be
+comprehensible as there is no documentation other than the source code.
+
+_S_P_E_C_I_A_L_ _C_A_L_L_S
+ In addition the following special calls to `mira' are available which
+do not enter a Miranda session but accomplish another purpose, as
+described below.
+
+ mira -man
+To enter the miranda online manual system directly from the UNIX shell.
+
+ mira -exp
+Special call permitting the use of miranda script as a stand-alone UNIX
+command. See separate manual page for details.
+
+ mira -log
+Same as -exp except that it redirects stderr to a file log/mira.errors,
+if log directory exists in the current directory and mira has write
+permission to it.
+
+ mira -make [sourcefiles]
+Forces a check that all the miranda source files listed have up-to-date
+object code files, triggering compilation processes if necessary (see
+manual subsection on the library mechanism: separate compilation).
+
+ mira -exports [sourcefiles]
+Sends to stdout a list of the identifiers exported (see manual
+subsection on library mechanism: separate compilation) from each of the
+given miranda source files, together with their types (may also force
+recompilation if needed).
+
+ mira -sources [sourcefiles]
+Sends to stdout a list of all the Miranda source files on which the
+given source files directly or indirectly depend (via %include or
+%insert statements), excluding the standard environment <stdenv>.
+
+ mira -version
+Gives version information. This information can also be obtained from
+within a Miranda session by the command `/version'.
+
+ mira -V
+More detailed version information.
+
+_S_E_T_U_P_ _F_I_L_E_S
+
+The current settings of _d_i_c, _h_e_a_p and _e_d_i_t_o_r are saved in the file
+`.mirarc' in the users home directory, and are thereby carried over to
+the next miranda session. The settings of the compiler flag which
+controls whether or not source is listed to the screen during
+compilation (toggled by the commands _/_l_i_s_t _/_n_o_l_i_s_t during a Miranda
+session) and of the flag which controls the frequency of checking for
+source updates (toggled by the commands /recheck /norecheck) are also
+saved in the users `.mirarc' file.
+
+The default settings of these entities, which will be picked up by new
+users executing `mira' for the first time, are dic 24000 (bytes), heap
+100000 (9-byte cells), editor _v_i, nolist, norecheck. The current
+settings can be interrogated from a Miranda session by the command
+`/settings' or `/s'.
+
+The defaults can be changed, on a system wide basis, by moving a copy of
+a `.mirarc' file containing the desired settings into the `miralib'
+directory (normally found at /usr/lib/miralib). The user's local
+.mirarc file, once created in his home directory by the first call to
+mira, will override the global one, however.
+
+The behaviour of the `mira' program is also sensitive to the settings of
+certain environment variables - see separate manual entry about this.
+
+_O_U_T_P_U_T_ _B_U_F_F_E_R_I_N_G
+ Output from the Miranda system to the user's terminal should not be
+line buffered, or some things will not work as they are intended. There
+is no problem about input being line buffered, however.
+