12-30-2004
are u sure ur gen_log fn doesn't spoil line. Check it by calling gen_log twice before popen and running it a few times as u say the problem occurs occasionally.
10 More Discussions You Might Find Interesting
1. Programming
i have made a ftp application in socket programming which uses TCP/IP .. i have the problem runing the only problem is on the client side i take the user input for the file to be downloaded from the command promt.
write(s, argv, strlen(argv)+1); // this is how i write in client side
argv is... (1 Reply)
Discussion started by: toughguy2handle
1 Replies
2. UNIX for Advanced & Expert Users
I have a large file with the first 2 characters of each line determining the type of record. type 03 being a subheader and then it will have multiple 04 records.
eg: 03,xxx,xxxx,xxxx
04,xxxxxxxxxxxxxxxxxxxxxxxxxxxx
04,xxxxxxxxxxxxxxxxxxxxxxxxxxxx
03,xxx,xxx,xxx
... (2 Replies)
Discussion started by: badg3r
2 Replies
3. Shell Programming and Scripting
Im trying to execute the below command on our server to list files and replace the newline in the file list with spaces, but the character 'n' is getting replaced with a space, is there any environment variable that needs to be set in UNIX?
sh -c 'ls -trx... (1 Reply)
Discussion started by: rameshrr3
1 Replies
4. UNIX for Advanced & Expert Users
Hi Gurus,
I tried FTP one file to UNIX which got values like
wel^come
If I see the content in unix, it shows like
wel^Zcome
^ coverted into ^Z (Control + Z )
Can someone please share what is happening here?
Thanks,
Shahnaz (5 Replies)
Discussion started by: shahnazurs
5 Replies
5. UNIX and Linux Applications
I have been using firefox3.5 now for some months and noticed that some images, notably in the png format, do not display correctly: the images are not displayed at all or display in part whereby the rest of the image shows a black rectangle. Does anybody else suffer from this problem?
Desktop:... (0 Replies)
Discussion started by: figaro
0 Replies
6. Red Hat
I have two servers on same domain. one can nslookup other cannot
Psu100 can lookup to psu000, psu010 & psu011
Psu110 can NOT lookup to psu000, psu010 & psu011
I verified resolv.conf entries on both psu000 and psu010 and it contains both name servers (10.200.10.21 & 10.200.11.22).I am... (1 Reply)
Discussion started by: scorohan
1 Replies
7. Programming
Hello.
During the holidays I've been developing an application on my desktop computer at home.
I setup a repository on github, so when I got back to work I cloned the repo to my laptop.
It wouldn't work.
The app is comprised of a client and a server, strangely enough the server would segfault... (10 Replies)
Discussion started by: erupter
10 Replies
8. Shell Programming and Scripting
Hi,
Immediate help on below will be appreciated.
I have to read a file (max of 10MB) which will have no new line characters, i.e. data in single line. and have to inster '\n' at every 100 characters. and if record starts with 'BUCA' then need to pick value of length 10 at position 71 and... (7 Replies)
Discussion started by: maks475
7 Replies
9. UNIX for Advanced & Expert Users
Can anyone explain why wc is behaving weirdly? Their are only 2 occurrences but wc thinks their are 7 occurrences. I have even manually checked this.
$ grep -i base *
lit: base xx
lit.lst:003- 00103 BASE XX
$ grep -i base * | wc -w ... (2 Replies)
Discussion started by: cokedude
2 Replies
10. Shell Programming and Scripting
I have been trying to use read in a script with issues so I tried some things on the command line.
$ echo "testing 123" | read x ; echo $xand
$ echo "testing 123" | read -r x ; echo $xare only producing any output after being invoked the first time after rebooting the machine. I also got into... (14 Replies)
Discussion started by: Michael Stora
14 Replies
LEARN ABOUT DEBIAN
explain_popen_or_die
explain_popen_or_die(3) Library Functions Manual explain_popen_or_die(3)
NAME
explain_popen_or_die - process I/O and report errors
SYNOPSIS
#include <libexplain/popen.h>
FILE *explain_popen_or_die(const char *command, const char *flags);
DESCRIPTION
The explain_popen_or_die function is used to call the popen(3) system call. On failure an explanation will be printed to stderr, obtained
from explain_popen(3), and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
FILE *fp = explain_popen_or_die(command, flags);
command The command, exactly as to be passed to the popen(3) system call.
flags The flags, exactly as to be passed to the popen(3) system call.
Returns:
This function only returns on success, see popen(3) for more information. On failure, prints an explanation and exits.
SEE ALSO
popen(3)
process I/O
explain_popen(3)
explain popen(3) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2009 Peter Miller
explain_popen_or_die(3)