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| From: | Werner LEMBERG |
| Subject: | is ${!...} portable? |
| Date: | Sun, 31 May 2009 08:06:41 +0200 (CEST) |
Sometimes indirect expansion helps a lot in writing shell scripts. Is
`${!foo}' portable or an invention of Bash? Perhaps it makes sense to
mention this in the autoconf info file.
Werner
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