Category: Rediscovering Unix

  • Using Escape Codes and Setting Window Title on PS1 for ksh (Korn Shell)

    I set up the following in my ~/.profile for my ksh login: export HOST=$(hostname) export PS1=$(perl -e ‘printf “33]0;${USER}@${HOST}:${PWD}07$”‘) Unfortunately, ksh doesn’t understand escape codes, so perl or awk is necessary to pull this off–or you can enter them literally via your editor. I like the perl route just for ease of maintenance. This was […]

  • Date formatting for Single Unix Specification(R) versions of “date”

    The date command is wonderful for formatting dates, as such date –date=”2010-01-01″ +%Y%j But what happens when you’re on a system whose date command only supports the -u [UTC] and + [for formatting] options? Below is a quick hack in straight C that provides the ability to format a date that you provide. This is […]

  • Perl Documentation Bookmarklets

    Below are some bookmarklets to quick link to CPAN documentation… Click and drag the links to your bookmark bar or use the included source code to create the bookmarklets. They will generate a prompt something like this when clicked: Bookmarklet to search for a keyword in CPAN documentation: Search CPAN Source: javascript:{x=prompt(“Search%20for%20module”);window.location=’;query=’+x;} Bookmarklet to bring […]