The python standard library provides a json library that can be used to pretty print json.
$ echo '{"this": ["that"]}' | python -m json.tool
{
"this": [
"that"
]
}
$ echo '<root><foo a="b">lorem</foo><bar value="ipsum" /></root>' | xmllint --format - <?xml version="1.0"?> <root> <foo a="b">lorem</foo …
Not having newlines at the ends of files messes up lots of command line operations such as wc, >>, git and cat.
POSIX definition of a line:
3.206 Line A sequence of zero or more non- <newline> characters plus a terminating <newline> character.
| source: | http://pubs.opengroup.org/onlinepubs … |
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Aspell has a mode which allows a user check the spelling of the document without having to skip through all the latex commands.
aspell --lang=en --mode=tex check file.texmore ...
I wanted to spin down a hard drive before disconnecting. I have an external hard drive and even after I unmounted the drive the disks were still spinning.
Find the device label of the mounted drive:
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 253:0 0 20G …more ...
I started thinking about doing a fresh linux install and was worried that I might not remember all the packages that I had manually installed. A quick search revealed a one-liner that compares the currently installed packages to the list of packages that were available initially to produce a nice …
more ...If you wanted your diff output to be colored you have three options
Use a verison control program that outputs colored diff output
git diff --color=always old-file new-file | less -R
note: Mercurial does not allow you to run its hg diff outside of a repository
Use a text editor …
I broke my computers internet installing wicd.
Check the interfaces
$ ifconfig
Check eth0 explicitly
For whatever reason, my eth0 wasn't showing up until I explicitly specified it.
$ ifconfig eth0
Get an ip address
$ sudo ifconfig eth0 192.168.1.100
Connect to the outside internet
sudo route …
Indent is an program that can reformat C code for you.
Today, someone emailed me their strangely formatted code and I decided before I even looked at it that I would run it through "indent." After looking through the man page for the "correct" flags, I settled on a style …
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