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authorLuke Shumaker <lukeshu@parabola.nu>2017-03-25 12:34:38 -0400
committerJan Alexander Steffens (heftig) <jan.steffens@gmail.com>2017-04-05 22:03:00 +0200
commit997bc1dc0db12ee5791bfb74f07c91ce10ed7cfd (patch)
treece42333902e990055f4bde7750d32dc10f7b7a8f /lddd.in
parentf73c1f172f93b734ec46e861ed1ba8fbb05e65cf (diff)
lib/common.sh: add 'lock_close'; use it as appropriate.
`lock_close FD` is easier to remember than 'exec FD>&-`; and is especially easier if FD is a variable (though that isn't actually taken advantage of here). This uses Bash 4.1+ `exec {var}>&-`, rather than the clunkier `eval exec "$var>&-"` that was necessary in older versions of Bash. Thanks to Dave Reisner for pointing this new bit of syntax out to me the last time I submitted this (back in 2014, 4.1 had just come out).
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