80 lines
3.2 KiB
Plaintext
80 lines
3.2 KiB
Plaintext
/* $NetBSD: option.list,v 1.9 2018/11/23 20:40:06 kre Exp $ */
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/*
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* define the shell's settable options
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*
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* new options can be defined by adding them here,
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* but they do nothing until code to implement them
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* is added (using the "var name" field)
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*/
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/*
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* format is up to 5 columns... (followed by anything)
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* end of line comments can be introduced by ' #' (space/tab hash) to eol.
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*
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* The columns are:
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* 1. internal shell "var name" (required)
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* 2. option long name
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* if a single char, then no long name, and remaining
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* columns shift left (this becomes the short name)
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* 3. option short name (single character name)
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* if '-' or absent then no short name
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* if neither long nor short name, line is ignored
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* 4. option set short name (name of option equiv class)
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* if '-' or absent then no class
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* 5. default value of option
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* if absent, default is 0
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* only 0 or 1 possible (0==off 1==on) ("on" and "off" can be used)
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*
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* Data may be followed by any C preprocessor #if expression (incl the #if..)
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* (including #ifdef #ifndef) to conditionalise output for that option.
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* The #if expression continues until \n or next following '#'
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*/
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// the POSIX defined options
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aflag allexport a # export all variables
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eflag errexit e # exit on command error ($? != 0)
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mflag monitor m # enable job control
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Cflag noclobber C # do not overwrite files when using >
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nflag noexec n # do not execue commands
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fflag noglob f # no pathname expansion
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uflag nounset u # expanding unset var is an error
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vflag verbose v # echo commands as read
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xflag xtrace x # trace command execution
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// the long name (ignoreeof) is standard, the I flag is not
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Iflag ignoreeof I # do not exit interactive shell on EOF
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// defined but not really implemented by the shell (yet) - they do nothing
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bflag notify b # [U] report bg job completion
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nolog nolog # [U] no func definitions in history
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// 'h' is standard, long name (trackall) is not
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hflag trackall h # [U] locate cmds in funcs during defn
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// 's' is standard for command line, not as 'set' option, nor 'stdin' name
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sflag stdin s # read from standard input
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// minusc c # command line option only.
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// -- o # handled differently...
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// non-standard options -- 'i' is just a state, not an option in standard.
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iflag interactive i # interactive shell
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cdprint cdprint # always print result of a cd
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usefork fork F # use fork(2) instead of vfork(2)
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pflag nopriv p # preserve privs if set[ug]id
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posix posix # be closer to POSIX compat
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qflag quietprofile q # disable -v/-x in startup files
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fnline1 local_lineno L on # number lines in funcs starting at 1
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promptcmds promptcmds # allow $( ) in PS1 (et al).
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pipefail pipefail # pipe exit status
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Xflag xlock X #ifndef SMALL # sticky stderr for -x (implies -x)
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// editline/history related options ("vi" is standard, 'V' and others are not)
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// only one of vi/emacs can be set, hence the "set" definition, value
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// of that can be any char (not used for a different set)
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Vflag vi V V # enable vi style editing
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Eflag emacs E V # enable emacs style editing
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tabcomplete tabcomplete # make <tab> cause filename expansion
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// internal debug option (not usually included in the shell)
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debug debug #ifdef DEBUG # enable internal shell debugging
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