12-15-2003
# VAR="adfadf"; LENGTH=`expr "$VAR" : '.*'`; echo $LENGTH
I doubt whether your syntax is correct, just use the above it will work correctly
If you want to get 0 for null string put VAR=""
Cheers
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LEARN ABOUT DEBIAN
sb2-config
sb2-config(1) sb2-config man page sb2-config(1)
NAME
sb2-config - scratchbox2 configuration tool
SYNOPSIS
sb2-config [OPTION]... [COMMAND [PARAMS]]
DESCRIPTION
sb2-config is used to set and display configuration of existing targets.
OPTIONS
-d default_target
This option sets the default sb2 target. The name of the target will be written to your $HOME/.scratchbox2/config file.
-l lists all available targets in your system. The names listed can be used as a parameter to the -d option.
-h Display short help.
-v Show version of this tool.
-t target
select target to be used with commands (below)
COMMANDS
showtarget
show default target.
showlog
show configuration log
showenv
show target-specific environment variables
setenv VARIABLE VALUE
set target-specific environment variable. The value becomes effective when sb2 is executed.
clearenv VARIABLE
set clearing for target-specific environment variable
unsetenv VARIABLE
remove target-specific environment variable
EXAMPLES
$ sb2-config -d diablo41_armel
This command sets your default target to be diablo41_armel.
$ sb2-config -l
This example lists all installed targets in your host. The names listed can be used as a parameter to the -d option.
SEE ALSO
sb2(1), sb2-init(1), sb2-show(1)
AUTHOR
Lauri Leukkunen
2.2 17 December 2010 sb2-config(1)