Sponsored Content
Top Forums Programming Segfault When Parsing Delimiters In C Post 302978201 by Corona688 on Wednesday 27th of July 2016 12:03:12 PM
Old 07-27-2016
Quote:
Originally Posted by Azrael
There's no doubt this could be more easily done with Bash, but when you are parsing multiple lists that are millions of lines in length, C seemed like a better option.
The more complicated you make it, the better off you'd be using a text processing language for text processing.

That was not a BASH script, that was an awk one. awk is quite efficient.
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

parsing with multible delimiters

I have data that looks like this aaa!bbb!ccc/ddd/eee It is not fixed format. I need to parse ddd into a var in order to decide if I want to process that row. If I do I need to put ccc and bbb into vars to process it. I need to do this during a while loop one record at a time. Any... (11 Replies)
Discussion started by: gillbates
11 Replies

2. Programming

gnu history library signal segfault

i am trying to use the history functions in a c++ program along with a custom signal handler for SIGINT. the prog works fine catching signals without the line: add_history(*args); but as soon as this line is added, the prog segfaults on SIGINT. does anyone have experience using gnu... (2 Replies)
Discussion started by: a1g0rithm
2 Replies

3. UNIX for Dummies Questions & Answers

[Linux] How Do I Run Until Segfault

Hello, sorry if this has been posted before but i was wondering if there is a way to run a program until a segmentation fault is found. Currently i'm using a simple shell script which runs my program 100 times, sleeps 1 second because srand(time(0)) is dependent on seconds. Is there a possible... (1 Reply)
Discussion started by: aslambilal
1 Replies

4. Solaris

Working around netscape 4.9 segfault on Solaris 8

We have a Solaris 8 server which users login to via VNC to get a desktop. On that desktop these users use Netscape Communicator 4.9 to access a very important mail account. Unfortunately Netscape has started segfaulting regularly. Does anyone have any ideas how I can try to find out what point... (1 Reply)
Discussion started by: aussieos
1 Replies

5. Programming

2 Problems: Segfault on ctrl+c and syslog() prob

1. Even if i have the handles for ctrl+c it gives off a segfault 2. syslog doesn't log LOG_ERR event with log masked specified or non specified, it logs LOG_WARNING however... #include <sys/types.h> /* include this before any other sys headers */ #include <sys/stat.h> #include <fcntl.h>... (2 Replies)
Discussion started by: james2432
2 Replies

6. Programming

id3lib SEGFAULT

Hello everyone, I'm writing a program using the id3lib unfortunately I've encountered with memory issue that cause segmentation fault. I tried to rerun and analyze the program with valgrind but it doesn't point me anywhere. I really stuck on this one. Valgrind output: ==14716== Invalid read of... (2 Replies)
Discussion started by: errb
2 Replies

7. Programming

Is Drive Valid Segfault

I have a program that allows users to specify the debug log file location and name. I have tried using the access() and stat() but they both segfault if the drive say (d:\) is invalid. Both seem to be fine if the drive exists. Could someone please point me in the direction to a function that... (1 Reply)
Discussion started by: robfwauk
1 Replies

8. Programming

segfault in pointer to string program

hello all, my question is not about How code can be rewritten, i just wanna know even though i am not using read only memory of C (i have declared str) why this function gives me segfault :wall:and the other code executes comfortably though both code uses same pointer arithmetic. ... (4 Replies)
Discussion started by: zius_oram
4 Replies

9. Programming

String array iteration causing segfault

I am populating an array of string and print it. But it going in infinite loop and causing segfault. char Name = { "yahoo", "rediff", "facebook", NULL }; main(int argc, char* argv) { int j = 0; ... (7 Replies)
Discussion started by: rupeshkp728
7 Replies

10. Shell Programming and Scripting

--Parsing out strings for repeating delimiters for everyline

Hello: I have some text output, on SunOS 5.11 platform using KSH: I am trying to parse out each string within the () for each line. I tried, as example: perl -lanF"" -e 'print "$F $F $F $F $F $F"' But for some reason, the output gets all garbled after the the first fields.... (8 Replies)
Discussion started by: gilgamesh
8 Replies
IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgawk | +--------------------+-----------------+ |Interface Stability | Volatile | +--------------------+-----------------+ NOTES
Source for gawk is available on http://opensolaris.org. Free Software Foundation Nov 3 1999 IGAWK(1)
All times are GMT -4. The time now is 12:56 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy