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remove unnecessary use of cat (#1616)

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Casper 2020-09-23 21:53:07 +02:00 • committed by GitHub
parent 566eaa0e13
commit 9f7414d95f
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3 changed files with 5 additions and 5 deletions
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target/postfix-wrapper.sh
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@ -26,7 +26,7 @@ service postfix start
sleep 5
# wait until postfix is dead (triggered by trap)
while kill -0 "$(cat /var/spool/postfix/pid/master.pid)"
while kill -0 "$(< /var/spool/postfix/pid/master.pid)"
do
sleep 5
done