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Full Discussion: Out of memory message
Top Forums UNIX for Beginners Questions & Answers Out of memory message Post 303044752 by gimley on Tuesday 3rd of March 2020 08:43:01 AM
Old 03-03-2020
Out of memory message
I have written a script to generate trigrams. The script runs perfectly on a relatively small file. When a large file is given, around 700 KB, I get the message
Code:
Counting trigrams ... 1614375 lines done.gawk32: trigrams.gk:12: (FILENAME=urmono.txt FNR=1614376) fatal: newnode: nextfree: can't allocate memory (No error)

I have Windows 10 with 32 Gb ram. I believe DOS cannot access all that ram and hence gives the above message.
Just in case my program has an error I am giving below the program
Code:
{ 
# $0 = tolower($0)                                   
   gsub(/[.,:;!?"<>\[\]#(){}]/,"")                     
    for(i=1; i<=NF; i++){ 
       trigram = word1 " " word2" " $i         
       word1 = word2                                  
       word2 = $i                                        
       count[trigram]++                               
      }
       printf "\rCounting trigrams ... %6d lines done.", NR > "CON"
  }
END {for (w in count)
      print count[w], "\t" w

Many thanks for any solution to this problem. Truncating the file or dividing it into small chunks and running the script on them is not very satisfactory, since trigrams are repeated in different outputs and I need to combine all of them using another awk script, which makes things cumbersome.
 

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LEARN ABOUT POSIX

msgid

msgid(1M)						  System Administration Commands						 msgid(1M)

NAME

       msgid - generate message IDs

SYNOPSIS

       /usr/sbin/msgid

DESCRIPTION

       The msgid utility generates message IDs.

       A message ID is a numeric identifier that, with a high probability, uniquely identifies a message. The probability of two distinct messages
       having the same ID is about one in a million. Specifically, the message ID is a hash signature on the message's unexpanded  format  string,
       generated by STRLOG_MAKE_MSGID() as defined in <sys/strlog.h>.

       syslogd(1M) is a simple filter that takes strings as input and produces those same strings, preceded by their message IDs, as output. Every
       message logged by syslogd(1M) includes the message ID. The message ID is intended to serve as a small, language-independent identifier.

EXAMPLES

       Example 1: Using the msgid command to generate a message ID

       The following example uses the msgid command to generate a message ID for the echo command.

       example# echo hello | msgid
       205790 hello

       Example 2: Using the msgid command to generate a message catalog

       The following example uses the msgid command to enumerate all of the messages in the binary ufs, to generate a message catalog.

       example# strings /kernel/fs/ufs | msgid
       137713 free:
	   freeing free frag, dev:0x%lx, blk:%ld, cg:%d, ino:%lu, fs:%s
       567420 ialloccg: block not in mapfs = %s
       845546 alloc: %s: file system full
       ...

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       syslogd(1M), attributes(5), log(7d)

SunOS 5.10							    9 Oct 1998								 msgid(1M)
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