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From: | Dan Jacobson |
Subject: | escaping needed for negative ${parameter:offset} |
Date: | Sat, 05 Jul 2003 15:04:04 +0800 |
User-agent: | Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i386-pc-linux-gnu) |
The man page should warn about escaping needed $ a=0123456789;echo ${a:-3} 0123456789 $ a=0123456789;echo ${a:$((-3))} 789 $ a=0123456789;echo ${a:(-3)} 789 $ a=0123456789;echo ${a: -3} 789 to avoid conflicting with ${parameter:-word}
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