Unix is Friend - Text Processing

Instead of single application for a proprietary file format, Unix utilities manage text streams. Text streams means not only text files but also command line inputs and outputs. Unix comes with several handy text processing utilities. These tools co-operates well with text streams. Therefore, you should save your documents in plain text form...
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Unix is Friend - Emacs

Many files on Unix are plain text files. Some examples are text files, markup language files, LaTeX files, source code, Makefiles, and configuration files. Unix utilities also works better with text files. Besides, proper editors help us editing text files productively and effectively. Emacs and Vim are the two most famous editors in Unix wo...
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Unix is Friend - Overview

Unix utilities seem arcane and ancient; however, some people still admire them, whereas mouses and touch screens are ubiquitous. By Unix Power Tools, Oreilly, Unix is rather a hacker’s toolbox than a platform to run application program. You can still access Unix interfaces with buttons, menus and windows, but the real power of Unix is beneath ...
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Call Online Perl Document from Emacs

Sometimes we want to browse online document for the usages of Perl subroutines or modules. It is boringly repetitive to open the browser and key in the keywords. Is there any way to automate the process? With some tricks, you can open online documents by hotkeys. You may check this original Emacs script to utilize p3rl.org. p3rl.org is a we...
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Query PubMed with Regular Expression

The Entrez Programming Utilities are a interface to Entrez query and database system at the National Center for Biotechnology Information (NCBI). With E-Utilities, we can write programs to query NCBI databases. Since the interface is a fixed URL syntax, we can query NCBI databases in any programming language. Here we demo a Perl script to que...
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