Alternative1 (grep support): pacman -Ss python | paste - - | grep --color=always -e '/python' | less -R Alternative2 (eye-candy, no grep): pacman --color=always -Ss "python" | paste - - | less -R in ~/.bashrc: pkg-grep() { pacman -Ss "$1" | paste - - | grep --color=always -e "${2:-$1}" | less -R ; } pkg-search() { pacman --color=always -Ss "python" | paste - - | less -R; } Show Sample Output

This is equivalent to: less `which rcsyslog`

Thanks th John_W for suggesting the fix allowing ~/ to be used when saving a directory. directions: Type in a url, it will show a preview of what the file will look like when saved, then asks if you want to save the preview and where you want to save it. Great for grabbing the latest commandlinefu commands without a full web browser or even a GUI. Requires: w3m Show Sample Output

This of course assumes that lesspipe is installed. You can view the contents of many, many types of files in this way. Once lesspipe is installed, add to your .bashrc export LESSOPEN="| /usr/bin/lesspipe %s" less file.jar export LESSCLOSE="/usr/bin/lesspipe %s %s" or eval "$(lesspipe)"

yt-mp3chanrip() { for count in 1 51 101 151 201 251 301; do for i in $(curl -s http://gdata.youtube.com/feeds/api/users/"$1"/uploads\?start-index="$count"\&max-results=50 | grep -Eo "watch\?v=[^[:space:]\"\'\\]{11}" | uniq); do ffmpeg -i $(wget http://youtube.com/"$i" -qO- | sed -n "/fmt_url_map/{s/[\'\"\|]/\n/g;p}" | sed -n '/^fmt_url_map/,/videoplayback/p' | sed -e :a -e '$q;N;5,$D;ba' | tr -d '\n' | sed -e 's/\(.*\),\(.\)\{1,3\}/\1/') -vn -ab 128k "$(youtube-dl -e http://youtube.com/"$i").mp3"; done; done; unset count i; } create the function and run with yt-mp3chanrip YoutubeUsername Great for channels like ukfDrumAndBass that only post music. No more need for third party browser plugins or websites that only convert one vid one at a time. It'll convert and save to CWD up to 300 of a user's videos to mp3s, one at a time. To increase, just increment the $count pattern. This is a concoction from commands #7718 and #7752, so it uses ffmpeg wget, curl, sed, and youtube-dl -- youtube-dl is only used to get the title of the video which it uses to name the mp3 file. You can use a different naming method if you want and the function should still work.

yt2mp3(){ for j in `seq 1 301`;do i=`curl -s gdata.youtube.com/feeds/api/users/$1/uploads\?start-index=$j\&max-results=1|grep -o "watch[^&]*"`;ffmpeg -i `wget youtube.com/$i -qO-|grep -o 'url_map"[^,]*'|sed -n '1{s_.*|__;s_\\\__g;p}'` -vn -ab 128k "`youtube-dl -e ${i#*=}`.mp3";done;} squeezed the monster (and nifty ☺) command from 7776 from 531 characters to 284 characters, but I don't see a way to get it down to 255. This is definitely a kludge!

This version now adds a header with consecutive numbering. Show Sample Output

On Debian/Ubuntu the pygments script is called pygmentize and can be found in the python-pygments package. For an overview of all available lexers, formatters, styles and filters use pygmentize -L Here is an example using more options pygmentize -f 256 -l sh -F whitespace:spaces=True,tabs=True -O style=borland ~/.bashrc | less -R

usage: dng BRE [selection] default selection is the last match DNS is ok, but although domainnames may be easier to remember than IP numbers, it still requires typing them out. This can be error-prone. Even more so than typing IPv4 numbers, depending on the domainname, its length and complexity.

kpsewhich is a tool for path and file lookup. It is a front-end of the kpathsea library. For one or more given package or file names it returns the complete path from within the TeX installation, that one which the compiler would actually use. Via backticks we can use it as argument to less, more, or any editor. For example: gedit `kpsewhich hyperref.sty` Show Sample Output

Uses pygments ( http://pygments.org/ ) to highlight the source code and a less pipe to scroll and show line numbers of the code.

grep for specific function invocations in this case, wither "emit" or "on" with "leader".

Don't want to open up an editor just to view a bunch of XML files in an easy to read format? Now you can do it from the comfort of your own command line! :-) This creates a new function, xmlpager, which shows an XML file in its entirety, but with the actual content (non-tag text) highlighted. It does this by setting the foreground to color #4 (red) after every tag and resets it before the next tag. (Hint: try `tput bold` as an alternative). I use 'xmlindent' to neatly reflow and indent the text, but, of course, that's optional. If you don't have xmlindent, just replace it with 'cat'. Additionally, this example shows piping into the optional 'less' pager; note the -r option which allows raw escape codes to be passed to the terminal. Show Sample Output

Source: http://stackoverflow.com/a/3800791/1447395

I've shortened it to: lsc PATH | l ... by adding ... alias lsc="ls --color" ... and ... alias l="less -R" ... to my ~/.bashrc file

The Linux Cross Referencer is nice: https://elixir.bootlin.com/linux/latest/source but when you want to find an example usage of an idiom across multiple lines, piping the ack-grep output to less is quicker. The --cc limits the search to C code, -i to ignore case, -A4 because most wait_event variants have 4 arguments that may be on lines after the function name. Use --make to search makefiles Show Sample Output