Date: Sat, 27 Mar 2004 09:56:49 +0100 From: "Cyrille Lefevre" <root@gits.dyndns.org> To: "Albert Cahalan" <albert@users.sourceforge.net> Cc: freebsd-standards@freebsd.org Subject: Re: posix ps (was Re: Adding `pgrep' and `pkill' to /usr/bin) Message-ID: <1c0001c413da$19e89e10$7890a8c0@dyndns.org> References: <1080334271.2255.1301.camel@cube> <1b9701c41384$ddff8da0$7890a8c0@dyndns.org> <1080346391.2255.1347.camel@cube>
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"Albert Cahalan" <albert@users.sourceforge.net> wrote: > On Fri, 2004-03-26 at 17:51, Cyrille Lefevre wrote: > > "Albert Cahalan" <albert@users.sourceforge.net> wrote: > > > Cyrille Lefevre writes: [snip] > Oh, OK. It's kind of weird, since "ps -o pid,help,comm" > would seem to be something for 3 columns, but suit yourself. > I didn't bother, thinking "ps L" and "man ps" would do. > > I suppose the -X has to be the first option...? not necesserally, but usually :) I prefer the env var use. [snip] > Eh, "-ww" plus turning on argument display, right? > It's the opposite of BSD "c" AFAIK, and implied by "-f". not exactly, -f is a sort of -w, and -fx is a true -ww. another solution would be to double -f, say -ff, but nobody seems to implement that AFAIK. > > > BTW, I have a regression test suite that you might find useful. > > > > yes, of course. for instance, I'm trying to resolve header's naming, > > say user is USER or UID depending of the personality... etc. > > First of all, perfection is the enemy of good. I know, but I'm like that... perfectionist. > Part of my solution: > {"uid_hack", "UID", pr_euser, sr_nop, 8, USR, XXX, ET|USER}, well, for instacance, I keyword aliases w/ personalities : ALIAS("user", "UID", "user", _SUSV3|_HPUX|_SOLARIS), SIZE("user", "USER", LJUST, uname, s_uname, USER, _BSD44|_FREE|_NET|_OPEN|_SUNOS|_IRIX|_TRU64), but that part is not completed and has not been validated, yet. ALIAS and SIZE (aka CALL w/ DSIZ) are macros which greatly improve the readability of the keywords array. > > > > -M from irix > > > > > > Do you have documentation or examples for this? > > > > irix -M is freebsd -Z, so, simple to implement :) > > It's never that simple. reading the manual page, yes. but I have no testing machine for that. [snip] > The bsd43reno/bsd44/freebsd distinction is interesting. > I hope you'll add "linux" to your list. :-) at last, since the linux manual page is really poor and the code ir really unreadable. > I was hoping that your syntax covered fall-back choices. please, explain your mind by fall-back choices ? for instance, -X unknown gives up w/ an error message and the list of choices. > Then I could ask for "unixware" as a first choice, and > for "posix" if "unixware" is unknown. unixware could be an alias on plain susv3. in my mind, posix just say posix syntax. > > possible switches > > bsd : bsd syntax > > extended : allow enhanced options and keywords. > > pedantic : be strict about the syntax (-p pid instead of -p pidlist) > > It's normal to allow a list. The list is either the remaining > part of the current argument ("ps -p42,45,16") or the next one. > I ban crud like "ps -p 42,,7" and "ps -p ,42,91,". no problem for that, empty values are ignored. > > > The name isn't so good. Tru64 uses CMD_ENV for this, affecting > > > more than just ps. I made PS_PERSONALITY take priority so that > > > you could change ps behavior without changing other behaviors. > > > > PS_PERSONALITY is the name that linux uses. this may conflict in > > .profiles since the syntax is different. to complete what you say : > > irix uses _XPG=1 and hpux uses UNIX95=1 > > of course, all of them could be tested for more and more compatobility :) > > Heh. I do in fact check _XPG=1 and UNIX95=1. > > > > You forgot the "-F" from DYNIX/ptx. It's really nice. > > > > any pointer ? > > It's a friendly format, kind of along the lines of BSD "u". > > $ ps -F > UID PID PPID C SZ RSS PSR STIME TTY TIME CMD > albert 21666 21665 1 770 1672 0 19:11 pts/14 00:00:00 bash > albert 21674 21666 0 744 880 0 19:11 pts/14 00:00:00 ps -F well, a kind of solaris ps -clPy but shorter :) S UID PID PPID CLS PSR PRI RSS SZ WCHAN TTY TIME CMD Cyrille Lefevre. -- home: mailto:cyrille.lefevre@laposte.net
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