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1.1 ! root 1: .pa 1 ! 2: .he 'SUM (I)'3/15/72'SUM (I)' ! 3: .ti 0 ! 4: NAME sum -- sum file ! 5: .sp ! 6: .ti 0 ! 7: SYNOPSIS sum___ name\d1\u ... ! 8: .sp ! 9: .ti 0 ! 10: DESCRIPTION sum___ ! 11: sums the contents of the bytes (mod 2^16) of ! 12: one or more files and prints the answer in octal. ! 13: A separate sum is printed for each file specified, ! 14: along with the number of whole or partial ! 15: 512-byte blocks read. ! 16: ! 17: In practice, sum___ is often used to verify that ! 18: all of a special file can be read without error. ! 19: .sp ! 20: .ti 0 ! 21: FILES none ! 22: .sp ! 23: .ti 0 ! 24: SEE ALSO -- ! 25: .sp ! 26: .ti 0 ! 27: DIAGNOSTICS "oprd" if the file cannot be ! 28: opened; "?" if an error is discovered during the read. ! 29: .sp ! 30: .ti 0 ! 31: BUGS none
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