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Editorial Team
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Asked: 2026-06-05T13:46:33+00:00

This is what bothers me: I have a log file, written in a specific

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This is what bothers me:

I have a log file, written in a specific format, such as:

[DEBUG    7] 2012-06-12 09:26:37.847 [MOD: UNK/0 ] [FILE:ModuleManager.cpp:541] [FUNC: ModuleManager::handleStatusRequestMessage] [MSG:Got request for unsupported ALLOCATION_STATUS ]

so the blocks are pretty well separated. I am viewing this log through a tail, on a 80×25 terminal screen and it looks horrible (no, I cannot change the screen, it’s an embedded device).

Can you help me in creating a tail/awk (or similar) combination to achieve something like:

2012-06-12 09:26:37.847 Got request for unsupported ALLOCATION_STATUS

or

2012-06-12 09:26:37.847 ModuleManager::handleStatusRequestMessage - Got request for unsupported ALLOCATION_STATUS

or

2012-06-12 09:26:37.847 ModuleManager.cpp:541 ModuleManager::handleStatusRequestMessage - Got request for unsupported ALLOCATION_STATUS

from the long line above?

Thanks

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1 Answer

  1. Editorial Team
    $ awk -F '[][]' '{print $3, $10}' logfile
2012-06-12 09:26:37.847  MSG:Got request for unsupported ALLOCATION_STATUS
$ awk -F '[][]' '{print $3, $8, $10}' logfile
 2012-06-12 09:26:37.847  FUNC: ModuleManager::handleStatusRequestMessage MSG:Got request for unsupported ALLOCATION_STATUS
$ awk -F '[][]' '{print $3, $6, $8, $10}' logfile
 2012-06-12 09:26:37.847  FILE:ModuleManager.cpp:541 FUNC: ModuleManager::handleStatusRequestMessage MSG:Got request for unsupported ALLOCATION_STATUS

    or

    $ awk -F '[][]|MOD:|FUNC:|FILE:|MSG:' '{print $3, $8, $11 " - " $14}' inputfile
2012-06-12 09:26:37.847  ModuleManager.cpp:541  ModuleManager::handleStatusRequestMessage - Got request for unsupported ALLOCATION_STATUS
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