yu-chen-surf / generate_compare_dir_from_patch Goto Github PK
View Code? Open in Web Editor NEWA simple script to generate corresponding directories based on patches
A simple script to generate corresponding directories based on patches
It seems like the script doesn't keep a single style, has a lot of redundancy, etc.
E.g.,
if [ ! -d "$FOO" ]; then
mkdir -p "$FOO"
fi
First of all this can be written as
[ -d "$FOO" ] || mkdir -p "$FOO"
but hey, the -p
is exactly to avoid this all, and hence
mkdir -p "$FOO"
is enough.
Next one, cat ... | grep
. Google for "useless use of cat", it is a very old idiom in UNIX to avoid unnecessary forks of processes that are not needed at all.
Last, but not least, change shebang to #!/bin/sh -efu
and fix all issues with the script. It will get more portability and robustness.
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