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345
What is the difference between ${var}, "$var", and "${var}" in the Bash shell?
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42
Explanation of convertor of cidr to netmask in linux shell netmask2cdir and cdir2netmask
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37
Shortest infinite loop producing no output
codegolf.stackexchange.com

36
Why is the first argument of getline a pointer to pointer "char**" instead of "char*"?
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31
find and delete files with non-ascii names
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28
Have bash script execute multiple programs as separate processes
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27
I installed a module successfully with CPAN, but perl can't find it. Why?
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23
Add file to subversion, while automatically adding parent directory node(s) if not added already
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23
SVN---Add current directory (.) to changelist
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22
Why does SELECT FOR UPDATE works only within a transaction?
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20
svn rebasing and history lost
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20
Why is `\s+` so much faster than `\s\s*` in this Perl regex?
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18
Why does ${fh} behave differentially than $fh when reading line by line?
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16
What's the difference between -ga and -o when they are used to designate a direct object?
japanese.stackexchange.com

15
Why do I get a different result when I do math on a quoted vs. non-quoted variable?
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15
Is there a difference between "use warnings;" and "use warnings 'all';"?
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14
"Invalid hook call" when mocking React HOC with Jest
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14
SQL Injection and the LIMIT clause
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13
Module ends in "1;", perlcritic complains that it doesn't
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13
How can I strip all comments from a Perl script except for the shebang line?
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12
What's the Perl equivalent of Python's enumerate?
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12
Warning about void context only with low-precedence short-circuit operators
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12
How does Perl avoid shebang loops?
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12
Where is the "correct" location to store my Sock Puppet (hat)?
meta.stackexchange.com

12
Why is '$_' the same as $ARGV in a Perl one-liner?
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12
I am wondering if someone can shed light on this tweet from Japan?
japanese.stackexchange.com

12
Are comments like "This is the best answer" constructive?
meta.stackexchange.com

12
Perl: what's included in use 5.##.#?
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11
Why does q/\\a/ equal q/\a/?
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11
Capitalize first letter of each word of input
codegolf.stackexchange.com

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