Commands by jameskirk (4)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Prints new content of files
Useful to e.g. keep an eye on several logfiles.

Convert a SVG file to grayscale
It requires inkscape 0.46 and lxml packages

Convert CSV to JSON with miller
Using the csv tool `miller` you can transform a csv file into a json array of objects, where the properties are the values of the csv header line and the values are the values of the subsequent lines.

Download an entire ftp directory using wget
If the username includes an @ you can use this one: wget -r --user=username_here --password=pass_here ftp://ftp.example.com

View the newest xkcd comic.

Shows cpu load in percent
This version is precise and requires one second to collect statistics. Check sample output for a more generic version and also a remote computer invocation variant. It doesn't work with the busybox version of the 'top' command but can be adjusted

create a colorful 田 image

Retrieve a list of all webpages on a site
This spiders the given site without downloading the HTML content. The resulting directory structure is then parsed to output a list of the URLs to url-list.txt. Note that this can take a long time to run and you make want to throttle the spidering so as to play nicely.

urldecoding
My version uses printf and command substitution ($()) instead of echo -e and xargs, this is a few less chars, but not real substantive difference. Also supports lowercase hex letters and a backslash (\) will make it through unescaped

View an info page on a nice interface
Nice interface for an info page.


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