Question

I have a command I want to run first I ran another command to get a directory which is saved in a variable:

path_white="/sys/block/sdb"

Then I want to run another command using this variable and store the output in a variable. I get errors and don’t know what I am doing wrong. Any help will be appreciated.

path_pci_white=$(ll $path_white | xargs | cut -d / -f 8 | cut -b 6-13)

it seems that it is not running the entire command below is the error

/sys/block/sdb : is a directory

when i run

ll /sys/block/sdb | xargs | cut -d / -f 8 | cut -b 6-13

in the terminal i get what i want output I just want to use a variable and put the output into a variable

Thanks

Answer 1

ll is an alias for ls -l, and aliases aren’t defined in shell scripts. Use an explicit ls -l instead.