Werk #15312: mk_oracle: use "${GREP}" instead of "grep"

Component Checks & agents
Title mk_oracle: use "${GREP}" instead of "grep"
Date Nov 27, 2023
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.3.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p16 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

When executed on solaris, "grep" does not know -x or -F. "${GREP}" points to a version of grep that understands those options.

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