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Is there a way to iterate over a range of integers?
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@lang2, for loops are not a first class citizen of Unix like they are in go. Besides, unlike for, seq streams to standard output a sequence of numbers. Whether or not to iterate over them is up to the consumer. Though for i in $(seq 1 10); do ... done is common in Shell, ...
How can I parse a YAML file from a Linux shell script?
...) and so I wanted to use YAML. I can't find any way of parsing this from a Unix shell script however.
17 Answers
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Add subdomain to localhost URL
...ns a specific domain and test things that way. For instance, if you have a UNIX-based operating system, open (as root) the file /etc/hosts and add a line (or lines) like this:
127.0.0.1 example.com
127.0.0.1 subdomain.example.com
Your computer will now treat both example.com and subdomain.e...
HMAC-SHA1 in bash
... should already be installed (or easily installed) in your choice of Linux/Unix, Cygwin and the likes.
Do note that older versions of openssl (such as that shipped with RHEL4) may not provide the -hmac option.
As an alternative solution, but mainly to prove that the results are the same, we can ...
Is there any way to kill a Thread?
...n program, and main programs can be killed abruptly by the user (Ctrl-C in Unix, for instance)–in which case they try to handle this possibility as nicely as possible. So, I fail to see what is special with threads, and why they should not receive the same treatment as main programs (namely that ...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...n't care about portability (these solutions should work on pretty much any UNIX box), Linux' fuser(1) offers some additional options and there is also flock(1).
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Django FileField with upload_to determined at runtime
... to use os.path.join instead of '/'.join to make sure it also works on not-Unix systems. They may be rare, but it's good practice ;)
– Xudonax
Feb 4 '14 at 14:26
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How can I tell if my server is serving GZipped content?
...impress one thing on my younger devs, its the importance of having a solid unix foundation. +1 for CURL. Its confusing at first, a life saver when you know it.
– Akron
Apr 12 '19 at 17:43
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
...the path, removing and resolving stuff like ..\ and resolving symlinks (on unixes).
Also note the following example with nio.Paths:
String canonical_path_string = "C:\\Windows\\System32\\";
String absolute_path_string = "C:\\Windows\\System32\\drivers\\..\\";
System.out.println(Paths.get(canonica...
What are the special dollar sign shell variables?
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@amc: See unix.stackexchange.com/questions/271659/… for differences between !$ and $_.
– tricasse
Apr 20 '17 at 17:54
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