Cmd Send E-mail

With this Shell script, we can upload .mobi to Kindle

Cmd Login Network

Post account and password with curl or wget.

Imagemagick Command – Convert

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## get image info
identify $filename

# resize
## ! can force-cast to the required size  
convert -resize 160x80! $infile $outfile 

# quality
## compress with quality, generally 60 -80  
convert -quality [0-100] $infile $outfile

e.g, resize jpg in current file

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#!/bin/bash
for file in `ls *.jpg`; do
	convert $file -resize 256x160! -quality 30 $file
done

Some Markdown Syntax

Common Syntax

Escape

These characters cannot be directly printed. Must prefixed with \

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\
`
*
_
{}
[]
()
#
+
-
.
!

AWK SUMMARY

Reading Notes from classic book – The AWK Programming Language

CONSTRCUT

In <stl_construct.h>