check variable content size in sh script

Quartz quartz at sneakertech.com
Sat May 18 15:58:34 UTC 2013


>> newfoo=${foo:0:51}
>>
>
> That works for bash, not sh.

Ok granted, but I don't think that ${#foo} is straight sh either, so I 
assumed "things bash/tcsh/ksh/whatever accept when running in sh 
emulation" were ok.

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