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"if [ ! `/usr/bin/pgrep -u postgres -f /var/lib/postgres/syslog/syslog2sql.pl` ]; then /var/lib/postgres/syslog/syslog2sql.pl; fi" virker fint fra en bash shell, men fra cron f?r jeg denne fejlmeddelse: "/bin/sh: line 1: [: 13013: unary operator expected" Kan jeg ikke bruge `` i cron?
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