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rename:tldr:2093a
This command is using the rename
utility to rename files or directories. Let's break it down step by step:
-
rename ${foo} ${foo00} ${foo?}
: The${foo}
placeholder represents the original filename or directory name. This part of the command is attempting to rename the file or directory${foo}
to${foo00}
. The${foo?}
portion means that if${foo}
is a single character, it will be replaced with nothing, effectively removing it from the name. -
&&
: This is a logical operator that allows you to chain commands together. The command following&&
will only execute if the preceding command is successful (returns a zero exit status). -
rename ${foo} ${foo0} ${foo??}
: This part of the command is attempting to rename the file or directory${foo}
to${foo0}
using the same logic as before (${foo??}
removes the last two characters if they exist).
In summary, this command renames files or directories using various patterns - ${foo}
being the original name, ${foo00}
and ${foo0}
being new names with certain conditions for character removal.