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Shell script to delete directories older than n days
...ase/dir/* -type d -ctime +10 -exec rm -rf {} \;
Explanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-...
How to determine when a Git branch was created?
...logs.
.git/logs/refs/heads/<yourbranch>
My files appear to have a unix timestamp in them.
Update: There appears to be an option to use the reflog history instead of the commit history when printing the logs:
git log -g
You can follow this log as well, back to when you created the branch...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
...correctly everywhere. For the same reason I recommend always using tabs on Unix as well (thus indenting by 8 positions there), but the majority of Python users seem to be against me."—Guido van Rossum, 1994
– noumenal
Aug 12 '16 at 12:53
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Why does sys.exit() not exit when called inside a thread in Python?
... isn't reset to a normal state with this. You have to execute reset in the Unix-shell to fix this.
– sjngm
Jul 19 '19 at 14:50
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What is getattr() exactly and how do I use it?
... want to access. foo, bar, and baz are often used as placeholders in linux/unix/foss docs.
– NuclearPeon
Sep 15 at 21:50
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How to get default gateway in Mac OSX
...gateway' | awk '{print $2}'
These commands work well in linux as well as unix systems and MAC OS.
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Batch file include external file for variables
...and if there is a syntax error, then your main batch will exit too. In the UNIX world this seems to be fairly common, especially for shells. And if you think about it, autoexec.bat is nothing else.
Key/value pairs
Another way would be some kind of var=value pairs in the configuration file:
var1=valu...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
.... And I recommend every Bash user setup this in the profile.
References
Unix Shell Initialization
man tmux
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Purpose of Unions in C and C++
...seen it in old (pre-64-bit) versions of <time.h> on both Windows and Unix. Dismissing it as "not valid" and "undefined" isn't really sufficient if I'm going to be called upon to understand code that works in this exact way.
– T.E.D.
Jul 15 '13 at 18:38
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How to create a temporary directory?
...OS X vs Linux thing. See this question for a version that works on both: unix.stackexchange.com/questions/30091/…
– jwhitlock
Jun 9 '14 at 19:25
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