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Some questions regarding old if.c
Post 302930439 by orbit on Sunday 4th of January 2015 05:44:42 AM
01-04-2015
Thanks again ongoto, that helped me.
And thank you Don Cragun, for this detailed answer, I really appreciate it
@achenle
Notice that the parameter s in exp(s), isn't used at all in the function. So there should not be a problem calling exp(). So was it just a "mistake" by the programmer?
My last question now would be, how could I print the exit status of a command in unix v6?
I know nowadays you can do it with $?. But how did they do it at that time?
And thank you Don Cragun, for this detailed answer, I really appreciate it
@achenle
Notice that the parameter s in exp(s), isn't used at all in the function. So there should not be a problem calling exp(). So was it just a "mistake" by the programmer?
My last question now would be, how could I print the exit status of a command in unix v6?
I know nowadays you can do it with $?. But how did they do it at that time?
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LEARN ABOUT DEBIAN
snexpire
snexpire,v0.3.8(8) System Manager's Manual snexpire,v0.3.8(8) NAME
snexpire - expire news under the sn system. SYNOPSIS
snexpire [-v] [-exp] newsgroup [[-exp] newsgroup]... DESCRIPTION
snexpire expires news in the sn news system, one article file (=10 articles, compile time default) at a time. snexpire always leaves behind at least one article file, so that newly entered articles will have numbers not overlapping previously used numbers. As an excep- tion if the expiration age is set to 0, then even this last file will be expired and subsequent article numbers will start from the begin- ning. You will need to be root or own /var/spool/sn to run snexpire. OPTIONS
-v Output a line for each article expired. The format of this line is the same as for snscan. ARGUMENTS
snexpire expires all newsgroups named on the command line. Each newsgroup may be preceded by -exp to control the expiration age. exp is of the form #[hdwmy] where # is a number, followed by one of the characters h,d,w,m,y representing hours, days, weeks, months and years. The default for -exp is a compile-time fixed. Each [-exp] applies to the next newsgroup only, any newsgroups after that one get default treatment unless overridden by another [-exp]. FILES MODIFIED
/var/spool/sn/newsgroup/.times, /var/spool/sn/newsgroup/[0123456789]*, /var/spool/sn/{.chain,.table}. ENVIRONMENT VARIABLES
SNROOT If this is set and is not empty, the value is used in place of /var/spool/sn, the default news spool directory. FILES
/var/spool/sn/newsgroup/.expire If this exists, its contents are taken to be exp if not overridden by -exp on the command line. N.B. Harold Tay snexpire,v0.3.8(8)