diff options
Diffstat (limited to 'package/busybox/config/shell')
| -rw-r--r-- | package/busybox/config/shell/Config.in | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/package/busybox/config/shell/Config.in b/package/busybox/config/shell/Config.in index 141a1d315..4107e127d 100644 --- a/package/busybox/config/shell/Config.in +++ b/package/busybox/config/shell/Config.in @@ -39,7 +39,7 @@ config BUSYBOX_CONFIG_ASH help Tha 'ash' shell adds about 60k in the default configuration and is the most complete and most pedantically correct shell included with - busybox. This shell is actually a derivative of the Debian 'dash' + busybox. This shell is actually a derivative of the Debian 'dash' shell (by Herbert Xu), which was created by porting the 'ash' shell (written by Kenneth Almquist) from NetBSD. @@ -51,7 +51,7 @@ config BUSYBOX_CONFIG_ASH_BASH_COMPAT default y depends on BUSYBOX_CONFIG_ASH help - Enable bash-conpatible extensions. + Enable bash-compatible extensions. config BUSYBOX_CONFIG_ASH_JOB_CONTROL bool "Job control" @@ -69,7 +69,7 @@ config BUSYBOX_CONFIG_ASH_READ_NCHARS 'read -s' will read without echoing the user's input. config BUSYBOX_CONFIG_ASH_READ_TIMEOUT - bool "'read -t S' support." + bool "'read -t S' support" default y depends on BUSYBOX_CONFIG_ASH help @@ -96,7 +96,7 @@ config BUSYBOX_CONFIG_ASH_MATH_SUPPORT_64 default y depends on BUSYBOX_CONFIG_ASH_MATH_SUPPORT help - Enable 64-bit math support in the ash shell. This will make + Enable 64-bit math support in the ash shell. This will make the shell slightly larger, but will allow computation with very large numbers. @@ -176,11 +176,13 @@ config BUSYBOX_CONFIG_HUSH default n help hush is a very small shell (just 18k) and it has fairly complete - Bourne shell grammar. It even handles all the normal flow control + Bourne shell grammar. It even handles all the normal flow control options such as if/then/elif/else/fi, for/in/do/done, while loops, - etc. + case/esac. - It does not handle case/esac, select, function, here documents ( << + It uses only vfork, so it can be used on uClinux systems. + + It does not handle select, functions, here documents ( << word ), arithmetic expansion, aliases, brace expansion, tilde expansion, &> and >& redirection of stdout+stderr, etc. @@ -232,6 +234,14 @@ config BUSYBOX_CONFIG_HUSH_LOOPS depends on BUSYBOX_CONFIG_HUSH help Enable for, while and until loops in hush. + As of 2008-07, break and continue statements are not supported. + +config BUSYBOX_CONFIG_HUSH_CASE + bool "Support case ... esac statement" + default n + depends on BUSYBOX_CONFIG_HUSH + help + Enable case ... esac statement in hush. +400 bytes. config BUSYBOX_CONFIG_LASH bool "lash" @@ -246,10 +256,10 @@ config BUSYBOX_CONFIG_MSH help The minix shell (adds just 30k) is quite complete and handles things like for/do/done, case/esac and all the things you expect a Bourne - shell to do. It is not always pedantically correct about Bourne + shell to do. It is not always pedantically correct about Bourne shell grammar (try running the shell testscript "tests/sh.testcases" on it and compare vs bash) but for most things it works quite well. - It also uses only vfork, so it can be used on uClinux systems. + It uses only vfork, so it can be used on uClinux systems. comment "Bourne Shell Options" depends on BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH @@ -267,11 +277,11 @@ config BUSYBOX_CONFIG_FEATURE_SH_STANDALONE depends on (BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS help This option causes busybox shells to use busybox applets - in preference to executables in the PATH whenever possible. For + in preference to executables in the PATH whenever possible. For example, entering the command 'ifconfig' into the shell would cause - busybox to use the ifconfig busybox applet. Specifying the fully + busybox to use the ifconfig busybox applet. Specifying the fully qualified executable name, such as '/sbin/ifconfig' will still - execute the /sbin/ifconfig executable on the filesystem. This option + execute the /sbin/ifconfig executable on the filesystem. This option is generally used when creating a statically linked version of busybox for use as a rescue shell, in the event that you screw up your system. @@ -285,12 +295,12 @@ config BUSYBOX_CONFIG_FEATURE_SH_STANDALONE started this way). # untrue? # Note that this will *also* cause applets to take precedence -# over shell builtins of the same name. So turning this on will +# over shell builtins of the same name. So turning this on will # eliminate any performance gained by turning on the builtin "echo" # and "test" commands in ash. # untrue? # Note that when using this option, the shell will attempt to directly -# run '/bin/busybox'. If you do not have the busybox binary sitting in +# run '/bin/busybox'. If you do not have the busybox binary sitting in # that exact location with that exact name, this option will not work at # all. |