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1.1 schwarze 1: STRING(1) General Commands Manual STRING(1) 2: 3: 4: 5: NNAAMMEE 6: string - conditional testing whether a string is defined 7: 8: DDEESSCCRRIIPPTTIIOONN 9: mystr not yet defined 10: now defined 11: 12: mymac not yet defined 13: now defined 14: 15: myren not yet defined 16: now defined 17: 1.2 ! schwarze 18: standard macro is defined ! 19: 1.1 schwarze 20: 21: 22: OpenBSD June 14, 2017 STRING(1)