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@@ -84,22 +84,6 @@ config BUSYBOX_CONFIG_ASH_ALIAS
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help
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Enable alias support in the ash shell.
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-config BUSYBOX_CONFIG_ASH_MATH_SUPPORT
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- bool "Posix math support"
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- default y
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- depends on BUSYBOX_CONFIG_ASH
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- help
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- Enable math support in the ash shell.
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-
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-config BUSYBOX_CONFIG_ASH_MATH_SUPPORT_64
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- bool "Extend Posix math support to 64 bit"
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- default y
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- depends on BUSYBOX_CONFIG_ASH_MATH_SUPPORT
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- help
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- Enable 64-bit math support in the ash shell. This will make
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- the shell slightly larger, but will allow computation with very
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- large numbers.
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-
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config BUSYBOX_CONFIG_ASH_GETOPTS
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bool "Builtin getopt to parse positional parameters"
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default y
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@@ -152,14 +136,14 @@ config BUSYBOX_CONFIG_ASH_OPTIMIZE_FOR_SIZE
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Compile ash for reduced size at the price of speed.
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config BUSYBOX_CONFIG_ASH_RANDOM_SUPPORT
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- bool "Pseudorandom generator and variable $RANDOM"
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+ bool "Pseudorandom generator and $RANDOM variable"
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default n
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depends on BUSYBOX_CONFIG_ASH
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help
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Enable pseudorandom generator and dynamic variable "$RANDOM".
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Each read of "$RANDOM" will generate a new pseudorandom value.
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You can reset the generator by using a specified start value.
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- After "unset RANDOM" then generator will switch off and this
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+ After "unset RANDOM" the generator will switch off and this
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variable will no longer have special treatment.
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config BUSYBOX_CONFIG_ASH_EXPAND_PRMT
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@@ -167,7 +151,7 @@ config BUSYBOX_CONFIG_ASH_EXPAND_PRMT
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default y
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depends on BUSYBOX_CONFIG_ASH
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help
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- "PS#" may be contain volatile content, such as backquote commands.
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+ "PS#" may contain volatile content, such as backquote commands.
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This option recreates the prompt string from the environment
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variable each time it is displayed.
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@@ -175,16 +159,15 @@ config BUSYBOX_CONFIG_HUSH
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bool "hush"
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default n
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help
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- hush is a very small shell (just 18k) and it has fairly complete
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- Bourne shell grammar. It even handles all the normal flow control
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- options such as if/then/elif/else/fi, for/in/do/done, while loops,
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- case/esac.
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+ hush is a small shell (22k). It handles the normal flow control
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+ constructs such as if/then/elif/else/fi, for/in/do/done, while loops,
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+ case/esac. Redirections, here documents, $((arithmetic))
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+ and functions are supported.
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- It uses only vfork, so it can be used on uClinux systems.
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+ It will compile and work on no-mmu systems.
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- It does not handle select, functions, here documents ( <<
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- word ), arithmetic expansion, aliases, brace expansion, tilde
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- expansion, &> and >& redirection of stdout+stderr, etc.
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+ It does not handle select, aliases, brace expansion,
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+ tilde expansion, &>file and >&file redirection of stdout+stderr.
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config BUSYBOX_CONFIG_HUSH_HELP
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bool "help builtin"
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@@ -234,7 +217,6 @@ config BUSYBOX_CONFIG_HUSH_LOOPS
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depends on BUSYBOX_CONFIG_HUSH
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help
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Enable for, while and until loops in hush.
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- As of 2008-07, break and continue statements are not supported.
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config BUSYBOX_CONFIG_HUSH_CASE
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bool "Support case ... esac statement"
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@@ -243,27 +225,54 @@ config BUSYBOX_CONFIG_HUSH_CASE
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help
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Enable case ... esac statement in hush. +400 bytes.
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+config BUSYBOX_CONFIG_HUSH_FUNCTIONS
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+ bool "Support funcname() { commands; } syntax"
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+ default n
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+ depends on BUSYBOX_CONFIG_HUSH
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+ help
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+ Enable support for shell functions in hush. +800 bytes.
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+
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config BUSYBOX_CONFIG_LASH
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- bool "lash"
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+ bool "lash (deprecated: aliased to hush)"
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default n
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select BUSYBOX_CONFIG_HUSH
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help
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lash is deprecated and will be removed, please migrate to hush.
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config BUSYBOX_CONFIG_MSH
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- bool "msh"
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+ bool "msh (deprecated: please use hush)"
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default n
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help
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- The minix shell (adds just 30k) is quite complete and handles things
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- like for/do/done, case/esac and all the things you expect a Bourne
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- shell to do. It is not always pedantically correct about Bourne
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- shell grammar (try running the shell testscript "tests/sh.testcases"
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- on it and compare vs bash) but for most things it works quite well.
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- It uses only vfork, so it can be used on uClinux systems.
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+ msh is deprecated and will be removed, please migrate to hush.
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+ If there is a feature msh has but hush does not, please let us know.
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+
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+# The minix shell (adds just 30k) is quite complete and handles things
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+# like for/do/done, case/esac and all the things you expect a Bourne
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+# shell to do. It is not always pedantically correct about Bourne
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+# shell grammar (try running the shell testscript "tests/sh.testcases"
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+# on it and compare vs bash) but for most things it works quite well.
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+# It uses only vfork, so it can be used on uClinux systems.
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+
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comment "Bourne Shell Options"
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depends on BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH
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+config BUSYBOX_CONFIG_SH_MATH_SUPPORT
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+ bool "POSIX math support"
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+ default y
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+ depends on BUSYBOX_CONFIG_ASH || BUSYBOX_CONFIG_HUSH
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+ help
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+ Enable math support in the shell via $((...)) syntax.
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+
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+config BUSYBOX_CONFIG_SH_MATH_SUPPORT_64
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+ bool "Extend POSIX math support to 64 bit"
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+ default y
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+ depends on BUSYBOX_CONFIG_SH_MATH_SUPPORT
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+ help
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+ Enable 64-bit math support in the shell. This will make the shell
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+ slightly larger, but will allow computation with very large numbers.
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+ This is not in POSIX, so do not rely on this in portable code.
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+
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config BUSYBOX_CONFIG_FEATURE_SH_EXTRA_QUIET
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bool "Hide message on interactive shell startup"
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default n
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