ls_usage []

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Show file date in different date formats

tags | YYYY-MM-DD, YYYYMMDD, YYYYMMDD_HHMMSS

Use one of

--time-style='+%Y%m%d_%H%M%S'
--time-style='+%Y-%m-%d'
--time-style='+%Y%m%d'

For example

% ls -l --time-style='+%Y%m%d_%H%M%S' ~/.vimrc
-rwx------ 1 rajulocal rajulocal 1112 20201017_141554 /home/rajulocal/.vimrc*

% ls -l --time-style='+%Y-%m-%d' ~/.vimrc
-rwx------ 1 rajulocal rajulocal 1112 2020-10-17 /home/rajulocal/.vimrc*

% ls -l --time-style='+%Y%m%d' ~/.vimrc 
-rwx------ 1 rajulocal rajulocal 1112 20201017 /home/rajulocal/.vimrc*