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Diffstat (limited to 'docs/embedded-scripts.txt')
| -rw-r--r-- | docs/embedded-scripts.txt | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/docs/embedded-scripts.txt b/docs/embedded-scripts.txt index 1b0c5b5..7a273d6 100644 --- a/docs/embedded-scripts.txt +++ b/docs/embedded-scripts.txt @@ -3,13 +3,9 @@ Embedded Shell Scripts in BusyBox BusyBox allows applets to be implemented as shell scripts. Since this obviously requires a shell to interpret the scripts the feature -depends on having a shell (specifically, ash) built into the binary. -Support for embedded scripts also has to be enabled. - -To embed scripts in BusyBox you must enable these configuration options: - - ASH - ASH_EMBEDDED_SCRIPTS +depends on having a shell built into the binary. Either ash or hush +will do. If both are present ash will be used. Support for embedded +scripts also has to be enabled. It's unlikely that your applet will be implemented as a pure shell script: it will probably need some external commands. If these are @@ -75,10 +71,9 @@ code for the native applet: The only difference is that the applet is specified as being of type APPLET_SCRIPTED. It would also be useful to include details of any -dependencies the script has. We can assume that ash is available. -No external commands are used by our mu script, but it does depend on -optional shell features. We can ensure these are selected by adding -this to the configuration: +dependencies the script has. No external commands are used by our mu +script, but it does depend on optional shell features. We can ensure +these are selected by adding this to the configuration: //config:config MU_DEPENDENCIES //config: bool "Enable dependencies for mu" @@ -87,8 +82,8 @@ this to the configuration: //config: select ASH_RANDOM_SUPPORT //config: select FEATURE_SH_MATH //config: help -//config: mu is implemented as a shell script. It requires ash -//config: support for $RANDOM and arithmetic. +//config: mu is implemented as a shell script. It requires support +//config: for $RANDOM and arithmetic. The configuration data should be placed in a C file in an appropriate subdirectory. There isn't any C code, though! In this case the file |