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    Home»Apple»launchd – Shell script works fine from a command line, but not from a launch daemon
    Apple

    launchd – Shell script works fine from a command line, but not from a launch daemon

    big tee tech hubBy big tee tech hubSeptember 9, 2025011 Min Read
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    launchd – Shell script works fine from a command line, but not from a launch daemon
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    I had this working before. But the system got hosed by a power surge, and like a damn idiot, I didn’t have a backup. Some of what I had was recoverable, and so the shell script and the plist are exactly as they were before, but not working.

    I have a shell script, sweep.sh, that sweeps files in specified directories, with a specified extension, into a pair of external SSDs:

    #!/bin/bash
    cd /Users/mercury
    cp *.savf /Volumes/BACKUP/mercury
    mv *.savf /Volumes/BACKUP2/mercury
    
    cd /Users/venus
    cp *.savf /Volumes/BACKUP/venus
    mv *.savf /Volumes/BACKUP2/venus
    
    exit 0
    

    When I call this script from the command line, it works fine.

    But I have a launch daemon with the following plist:

    
    
    
    
    Label
    sweep
    Program
    /Users/europa/sweep.sh
    StartCalendarInterval
    
    Hour
    14
    Minute
    30
    
    
    
    

    It’s been tripped twice (and launchctl print system/sweep confirms that it’s there, and says “runs = 2” and “last exit code = 0”), but nothing actually happened!



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    Command daemon Fine Launch launchd Line script Shell works
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