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bash composite commands in cron

 

"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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