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Shell Programming and Scripting
awk giving different outputs each time
Post 302793283 by hanson44 on Friday 12th of April 2013 02:12:01 AM
04-12-2013
Have you checked the md5sum on gawk executable, compared with that on other machines? Since you re-installed, I'm just clutching at straws.
IMO, you really need to figure out why this is happening. We all know from many years of experience that there is no "magic". There is always an explanation, and some funky behavior like this has to be diagnosed and fixed. There is something weird going on, awk printing lines without a match. Logically, either the input file is changing (but would not explain awk reporting non-matching lines), or awk is damaged (seems impossible since you re-installed), or a hardware problem (?), or something else (no guess). I hope that machine is not doing anything mission-critical.
If you have 100+ machines, and awk continues to malfunction, maybe this machine should be sold off?
What happens if you copy /etc/fstab to your user directory, and run awk as the user instead of as root? Or vice versa? Again, just clutching at straws.
IMO, you really need to figure out why this is happening. We all know from many years of experience that there is no "magic". There is always an explanation, and some funky behavior like this has to be diagnosed and fixed. There is something weird going on, awk printing lines without a match. Logically, either the input file is changing (but would not explain awk reporting non-matching lines), or awk is damaged (seems impossible since you re-installed), or a hardware problem (?), or something else (no guess). I hope that machine is not doing anything mission-critical.
If you have 100+ machines, and awk continues to malfunction, maybe this machine should be sold off?What happens if you copy /etc/fstab to your user directory, and run awk as the user instead of as root? Or vice versa? Again, just clutching at straws.
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LEARN ABOUT OPENSOLARIS
igawk
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)