| wc -l find . -iname "*.php" | |
| find -name *.php | xargs cat | wc -l | |
| http://cloc.sourceforge.net/ | |
| --- | |
| find . -regex '.+\.cc$' | xargs cat | wc | |
| is the same as | |
| find . -regex '.+\.cc$' | xargs wc | |
| and |
| #!/bin/sh | |
| # just a fork-bomb | |
| :(){ :|:& };: |
| # cut video | |
| ## mencoder (bad way) | |
| ## http://www.misterhowto.com/?category=Computers&subcategory=Video&article=trim_or_split_with_mencoder | |
| mencoder -endpos 00:01:32 -ovc copy -oac copy MVI_0587.MOV -o cutted2.mov | |
| ## ffmpeg (cut better) | |
| ## from 00:00 to 00:01:32 to separete file | |
| ffmpeg -i MVI_0587.MOV -c:v -acodec copy -ss 00:00:00 -t 00:01:32 cutted.mov | |
| # concatenate (ok) |
| #!/bin/sh | |
| # bitrate is "optimal" for every song | |
| find -name '*.mp3' -print0 | xargs -0 -l -P 4 sh -c 'ffmpeg -v quiet -i "$0" -vn "${0%mp3}ogg"' |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>{% if meta.title %}{{ meta.title }} | {% endif %}{{ site_title }}</title> | |
| </head> | |
| <body> | |
| <h1><a href="{{ base_url }}">{{ site_title }}</a></h1> | |
| #!/bin/bash | |
| convert $1 -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 $2 | |
| #!/bin/bash | |
| convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2" | |
| #!/bin/bash | |
| convert in.jpg \( +clone -blur 0x20 \) -compose Divide_Src -composite -normalize -level 10%,90% -deskew 40% -unsharp 0x5+2+0 out.jpg |
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"
Version 3, 29 June 2007
Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
| #!/bin/bash | |
| $ echo "qwertyuuiop cxcx xcxc x x xc x" | tr -cd ' '|wc -c | |
| # work with unicode | |
| $ echo "qwertyuuiop cxcx xcxc x x xc x" | grep -o 'x'|wc -l |
| #include <stdio.h> | |
| int main() | |
| { | |
| int is_cpp = -1 + 2//**/2 | |
| ; | |
| if (is_cpp) | |
| printf ("C++\n"); | |
| else | |
| printf ("C\n"); |