UPSCLI_STRERROR(3) NUT Manual UPSCLI_STRERROR(3)NAME
upscli_strerror - return string describing error condition
SYNOPSIS
#include <upsclient.h>
char *upscli_strerror(UPSCONN_t *ups);
DESCRIPTION
The upscli_strerror() function takes the pointer ups to a UPSCONN_t state structure and returns a string describing the last error which
occurred on this connection. The string is valid until the next call to upscli_strerror().
RETURN VALUE
The upscli_strerror() function returns a description of the error, or an unknown error message if the error code is not recognized.
SEE ALSO upscli_fd(3), upscli_get(3), upscli_readline(3), upscli_sendline(3), upscli_ssl(3), upscli_strerror(3), upscli_upserror(3)Network UPS Tools 05/22/2012 UPSCLI_STRERROR(3)
Why do shell builtins like echo and pwd have binaries in /bin? When I do which pwd, I get the one in /bin. that means that I am not using the builtin version? What determines which one gets used? Is the which command a definitive way to determine what is being run when I enter pwd? (16 Replies)
Introduction
I have seen some misinformation regarding Unix file permissions. I will try to set the record straight. Take a look at this example of some output from ls:
$ ls -ld /usr/bin /usr/bin/cat
drwxrwxr-x 3 root bin 8704 Sep 23 2004 /usr/bin
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I see lot of ad-hoc shell scripts in our servers which don't have a shebang at the beginning .
Does this mean that it will run on any shell ?
Is it a good practice to create scripts (even ad-hoc ones) without shebang ? (16 Replies)
For a starter I know the braces are NOT in the code...
Consider these code snippets:-
#!/bin/bash --posix
x=0
somefunction()
if
then
echo "I am here."
fi
# somefunction
#!/bin/bash --posix
x=0
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Hi everyone,
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Ok onto business, my questions are-:
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If UNIX was... (21 Replies)
For those interested in installing dash shell on OSX Lion to help test POSIX compliancy of shell scripts, it is quite easy. I did it like this:
If you don't have gcc on your system:
0. Download and install the Command Line Tools for Xcode package from Sign In - Apple *
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I have downloaded and use the shellcheck program on Linux.
This programs says:
In POSIX sh, 'let' is undefined.
See the screenshot attached.
What is the POSIX... (1 Reply)
I don't know how to start this but here goes.
I've been "using" Linux for over 10 years, possibly more and I still feel like I'm nowhere
where I should be. I'll be fair most of my time was spent either figuring out how
to run games on *nix at the time but as I got older and "wiser" I... (8 Replies)
In a professional environment with traditional application you often want (or are asked) to report the users.
Traditionally there is the who command
who | awk '{print $1}'telnetd or sshd register the users in the utmp file, to be shown with who, w, users, finger, pinky, ...
In addition they... (1 Reply)
Hi all, (mainly Neo)...
I keep noticing that the SQRT code I wrote recently for a POSIX shell keeps appearing, (the green colour sticks out like a sore thumb).
So I decided to take a look on Google.
Guess what?
UNIX.COM comes first in Google's listing just from two words, see image... (2 Replies)