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Top Forums UNIX for Dummies Questions & Answers How to know where the core files come from? Post 302443066 by methyl on Friday 6th of August 2010 01:19:42 PM
Old 08-06-2010
Hmm Solaris is different again.
Quote:
core: ELF 32-bit MSB core file SPARC Version 1, from 'ls'
Original line:
Code:
filetype=`file "${filename}"|grep "core file from"|awk '{print $2}`

Becomes:
Code:
filetype=`file "${filename}"|grep "core file SPARC Version 1, from"|awk '{print $5}`

The code is intended to fish out the word "core" from the output of "file" where the output contains a sentence stating that it is a core file. The "grep" passes the whole line to awk which is why it is looking at $5 which is the 5th word along from your example output from "file". Obviously try "file" on a few core files to make sure that the output format is consistent.
 

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GCORE(1)						      General Commands Manual							  GCORE(1)

NAME
gcore - get core image of running process SYNOPSIS
gcore [-s][-c core] pid DESCRIPTION
gcore creates a core image of each specified process, suitable for use with adb(1). By default the core image is written to the file <pid>.core. The options are: -c Write the core file to the specified file instead of <pid>.core. -s Stop the process while creating the core image and resume it when done. This makes sure that the core dump will be in a consistent state. The process is resumed even if it was already stopped. Of course, you can obtain the same result by manually stopping the process with kill(1). The core image name was changed from core.<pid> to <pid>.core to prevent matching names like core.h and core.c when using programs such as find(1). FILES
<process-id>.core The core image. BUGS
If gcore encounters an error while creating the core image and the -s option was used the process will remain stopped. Swapped out processes and system processes (the swapper) may not be gcore'd. 4.2 Berkeley Distribution April 15, 1994 GCORE(1)
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