kobu.selva's articles:

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ksh fork last item in pipelein 5 39 (4/18/2012 3:03:10 AM) comp.unix.shell According to some old posts here (searched via google groups), people say ksh does not fork for last command in pipeline. To clarify, these posts are referring to built-ins being the last command ... am I corr... Selva

how can EUID be different from UID? 3 59 (4/15/2012 7:58:43 PM) comp.unix.shell How can a shell's EUID be different from it's UID? It has two variables with these names, wondering when they can be different? ... Selva

pipes and subshells 2 26 (3/24/2012 6:43:05 AM) comp.unix.questions If B1 and B2 are shell builtins, and E1 and E2 are external executibles. B1 alone is run in the current shell B1 | B2 , each of B1 and B2 are run in subshells E1 | E2 , each of E1 and E2 are run in subshells,... Selva

bash: order of expansions, substitutions 1 38 (3/22/2012 3:59:40 AM) comp.unix.shell Hi, Is there a comprehensive list of how all the expansions and tokenizations happens on bash command line? - tilde expansion - history expansion - brace expansion - globbing - $' ' ascii escape - command su... Selva

bash... how to get list of the system variables that are LOCAL vs. ENVIRONMENT 1 54 (3/8/2012 5:37:05 AM) comp.unix.shell Where can I find comprehensive list of all bash variables, with details on weather they are LOCAL or ENVIRONMENT, on who sets them, and how they are used by bash itself? man bash shows all the variables in one... Selva

rational for PATH 5 32 (3/4/2012 8:54:41 PM) comp.unix.shell Hi, Was wondering why "dir/dir/executable" works even if it's not in PATH because we've given the shell a relative path to the executable, but why "executable" is not taken as a relative path (that is, other c... Selva

memory usage of a process (linux) 1 182 (2/29/2012 11:30:43 PM) comp.unix.programmer Some questions: 1) What is difference between (assuming we convert all values to same units): a) /proc/PID/statm's totalpages b) /proc/PID/stat 's vsize c) /proc/PID/status's VmSize ? 2) Where in /proc can I... Selva

POSIX (shell) documentation 11 51 (2/29/2012 7:02:47 AM) comp.unix.shell Where can I find the latest POSIX (shell) documentation? Thanks a bunch ... Selva

how to get arguments in a function split according to certain delimiters? 12 30 (2/27/2012 5:49:43 AM) comp.unix.shell bash-3.2$ set | grep IFS IFS=: bash-3.2$ echo jungles:of:brazil jungles:of:brazil I want echo to get the arguments: 1=jungles, 2=of, 3=brazil ... Selva

open() system call is part of glibc? 9 91 (2/21/2012 3:31:33 AM) comp.unix.programmer This is from GNU C Lib website: Overview Any Unix-like operating system needs a C library: the library which defines the ``system calls'' and other basic facilities such as open, malloc, printf, exit... ...... Selva

kobu.selva's replies:

Items(17) /2 Next >> Last >|

Division with arrays? 9 34 (2/1/2005 9:57:28 PM) comp.lang.c How I can make division of two numbers placed in arrays, example: short int a[] = {2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2}; short int b[] = {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0... mjs27 (4)

is ++n equivalent to (n=n+1) ? 11 27 (2/4/2005 9:47:03 PM) comp.lang.c Hi, I've gotten into the habit of mentally converting big expressions to parse tress (started doing this after reading some c.l.c posts on parse trees). Can someone verify if the following assumptions are cor... kobu.selva (53)

What exactly is lvalue & rvalue (old c.l.c. posts are all over the map)? 24 28 (2/6/2005 5:07:47 AM) comp.lang.c Hi, Does anyone here have a strong understanding for the meanings of the terms "lvalue" and "rvalue" as it pertains to C, objects, and different contexts? If so please share. I've been reading several old po... wwromeo (17)

Trying to declare identifier locally and hide a file scope identifier 7 30 (2/24/2005 5:38:21 AM) comp.lang.c The code below isn't compiling for me (error message: conflicting types for 'total' - pointing to the extern declaration). Why wouldn't this work, since the types are different, the extern declaration obviousl... kobu.selva (53)

Do input functions use fgetc inside them or read() 6 25 (3/16/2005 1:42:00 AM) comp.lang.c Do the "larger" input functions like scanf, gets, fgets use fgetc to take input or an operating system call function like read() (I know it could be any "way", but I'm trying to find out how it's best to "think... kobu.selva (53)

simple question #4 3 34 (2/5/2006 3:05:19 AM) comp.lang.c Is d(g+f) / dt = dg/dt + df/dt [Say g and f are 2 "lengths" that are changing] What is the proof of this? ... kobu.selva (53)

how to get arguments in a function split according to certain delimiters? 12 30 (2/27/2012 5:49:43 AM) comp.unix.shell bash-3.2$ set | grep IFS IFS=: bash-3.2$ echo jungles:of:brazil jungles:of:brazil I want echo to get the arguments: 1=jungles, 2=of, 3=brazil ... kobu.selva (53)

pipes and subshells 2 26 (3/24/2012 6:43:05 AM) comp.unix.questions If B1 and B2 are shell builtins, and E1 and E2 are external executibles. B1 alone is run in the current shell B1 | B2 , each of B1 and B2 are run in subshells E1 | E2 , each of E1 and E2 are run in subshells,... kobu.selva (53)

how can EUID be different from UID? 3 59 (4/15/2012 7:58:43 PM) comp.unix.shell How can a shell's EUID be different from it's UID? It has two variables with these names, wondering when they can be different? ... kobu.selva (53)

ksh fork last item in pipelein 5 39 (4/18/2012 3:03:10 AM) comp.unix.shell According to some old posts here (searched via google groups), people say ksh does not fork for last command in pipeline. To clarify, these posts are referring to built-ins being the last command ... am I corr... kobu.selva (53)