diff options
Diffstat (limited to 'apps/nshlib/README.txt')
| -rw-r--r-- | apps/nshlib/README.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/apps/nshlib/README.txt b/apps/nshlib/README.txt index 1e4731066..cdf7600bf 100644 --- a/apps/nshlib/README.txt +++ b/apps/nshlib/README.txt @@ -7,6 +7,7 @@ apps/nshlib - Console/NSH Front End - Command Overview - Conditional Command Execution + - Looping - Built-In Variables - Current Working Directory Environment Variables @@ -121,6 +122,12 @@ Looping Execute <cmd-sequence> as long as <test-cmd> has a non-zero exit status. + A break command is also supported. The break command is only valid + within the body of the a while or until loop, between the do and done + tokens. If the break command is executed within the body of a loop, the + loop will immediately terminate and execution will continue with the + next command immediately following the done token. + Built-In Variables ^^^^^^^^^^^^^^^^^^ @@ -1094,6 +1101,20 @@ NSH-Specific Configuration Settings if-then[-else]-fi construct. This would only be set on systems where a minimal footprint is a necessity and scripting is not. + * CONFIG_NSH_DISABLE_ITEF + + If scripting is enabled, then then this option can be selected to + suppress support for if-then-else-fi sequences in scripts. This would + only be set on systems where some minimal scripting is required but + if-then-else-fi is not. + + * CONFIG_NSH_DISABLE_LOOPS + + If scripting is enabled, then then this option can be selected + suppress support for while-do-done and until-do-done sequences in + scripts. This would only be set on systems where some minimal + scripting is required but looping is not. + * CONFIG_NSH_DISABLEBG This can be set to 'y' to suppress support for background commands. This setting disables the 'nice' command prefix and |