04-27-2016
This isn't really a Unix/Linux problem. You might be able to use Powershell to kill their minecraft game while it is running. So a simple solution would be to build a power shell sniper program that runs every minute and kills any Minecraft processes that are running. Then you schedule it to run every minute that they are not allowed to play the game.
This does not stop them from finding another distraction though. Ultimately you just need to check that their homework is done.
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LEARN ABOUT MOJAVE
git-check-attr
GIT-CHECK-ATTR(1) Git Manual GIT-CHECK-ATTR(1)
NAME
git-check-attr - Display gitattributes information
SYNOPSIS
git check-attr [-a | --all | attr...] [--] pathname...
git check-attr --stdin [-z] [-a | --all | attr...]
DESCRIPTION
For every pathname, this command will list if each attribute is unspecified, set, or unset as a gitattribute on that pathname.
OPTIONS
-a, --all
List all attributes that are associated with the specified paths. If this option is used, then unspecified attributes will not be
included in the output.
--cached
Consider .gitattributes in the index only, ignoring the working tree.
--stdin
Read pathnames from the standard input, one per line, instead of from the command-line.
-z
The output format is modified to be machine-parseable. If --stdin is also given, input paths are separated with a NUL character instead
of a linefeed character.
--
Interpret all preceding arguments as attributes and all following arguments as path names.
If none of --stdin, --all, or -- is used, the first argument will be treated as an attribute and the rest of the arguments as pathnames.
OUTPUT
The output is of the form: <path> COLON SP <attribute> COLON SP <info> LF
unless -z is in effect, in which case NUL is used as delimiter: <path> NUL <attribute> NUL <info> NUL
<path> is the path of a file being queried, <attribute> is an attribute being queried and <info> can be either:
unspecified
when the attribute is not defined for the path.
unset
when the attribute is defined as false.
set
when the attribute is defined as true.
<value>
when a value has been assigned to the attribute.
Buffering happens as documented under the GIT_FLUSH option in git(1). The caller is responsible for avoiding deadlocks caused by
overfilling an input buffer or reading from an empty output buffer.
EXAMPLES
In the examples, the following .gitattributes file is used:
*.java diff=java -crlf myAttr
NoMyAttr.java !myAttr
README caveat=unspecified
o Listing a single attribute:
$ git check-attr diff org/example/MyClass.java
org/example/MyClass.java: diff: java
o Listing multiple attributes for a file:
$ git check-attr crlf diff myAttr -- org/example/MyClass.java
org/example/MyClass.java: crlf: unset
org/example/MyClass.java: diff: java
org/example/MyClass.java: myAttr: set
o Listing all attributes for a file:
$ git check-attr --all -- org/example/MyClass.java
org/example/MyClass.java: diff: java
org/example/MyClass.java: myAttr: set
o Listing an attribute for multiple files:
$ git check-attr myAttr -- org/example/MyClass.java org/example/NoMyAttr.java
org/example/MyClass.java: myAttr: set
org/example/NoMyAttr.java: myAttr: unspecified
o Not all values are equally unambiguous:
$ git check-attr caveat README
README: caveat: unspecified
SEE ALSO
gitattributes(5).
GIT
Part of the git(1) suite
Git 2.17.1 10/05/2018 GIT-CHECK-ATTR(1)