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Home/ Questions/Q 6958783
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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T15:11:08+00:00 2026-05-27T15:11:08+00:00

Is it possible to log the current line number using NSLog in Cocoa /

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Is it possible to log the current line number using NSLog in Cocoa / Objective C?

This is what I thought I should do:

NSLog(@"current line: %@ and value: %@",__LINE__,abc);

And I’m getting Thread 1: Program Received Signal: "EXC_BAD_ACCESS"

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  1. Editorial Team
    Editorial Team
    2026-05-27T15:11:08+00:00Added an answer on May 27, 2026 at 3:11 pm

    The __LINE__ macro provides an integer so you need to change your format string. Instead of %@ you need a %d.

    NSLog(@"current line: %d",__LINE__);
    
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