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Full Discussion: What's the best way to check file permissions before moving files if needed?
Top Forums Shell Programming and Scripting What's the best way to check file permissions before moving files if needed? Post 303036925 by rbatte1 on Wednesday 17th of July 2019 12:52:05 PM
Old 07-17-2019
You might also consider the test options for files (man test for more detail)

Another alternative might be to use stat to get the value you need. Jim is right though, you don't just need to check the files, but the directory permissions too to ensure you can write to them. The update needed will create or remove the ile as part of the move. It can also be a nice way to get around sensitive data input in a particular place that supposedly has been locked down, i.e. the file payroll-input.txt might have RW for the owner, Read for a group you are not in and nothing for the rest, but if you have access to update the directory, you can remove or rename the file then create your own.

Smilie I'm not advocating it, but it is something consider and make everyone panic about simple security Smilie



The output from stat -c '%a %U %G' might give you the basics of what you need and you might parse them to decide if you should continue.



There are, however, lots of probably better suggestions before mine, such as that from MadeInGermany.



Just more options.

Kind regards,
Robin
 

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LEARN ABOUT DEBIAN

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
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       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)
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