tungwaiyip.info

home

about me

links

Blog

< December 2003 >
SuMoTuWeThFrSa
  1 2 3 4 5 6
7 8 910111213
14151617181920
21222324252627
28293031   

past articles »

Click for San Francisco, California Forecast

San Francisco, USA

 

Bye bye Bash

Finally got rid of my backup script written in Bash and replaced it with a Python one. I have enough trouble dealing with Bash and I am not looking forward to use it again. Influenced by a passionate crowd, I started working with Linux enthusiastically one year ago. I came around to learn everything about Linux, Vi, Bash, anticipating that they would be great solution to many computing problems.

One of my project was to build a simple backup script using Bash and tar. I started to encounter problem in very basic operations. Thanks for the way Bash does globbing, I cannot easily specify file pattern for files under subdirectories. Tar has its own quirk that I have to hack with 3 different configuration files to setup an inclusion and exclusion list. I finally come to a revelation that should be obvious in retrospect, that many of 30 years old design around Unix are just archaic, difficult to use and error prone. I ditched Bash for a more modern Python. I am very happy since for the easy XML configuration and maintainability.

The lesson learned? Watch out for zealotries. Take their opinion with a grain of salt. They tend to oversold the upside and downplay any problem. Always discern things with critical eyes. This also applies many other areas to such as political opinions.

2003.12.22 [, ] - comments

 

 

blog comments powered by Disqus

past articles »

 

BBC News

 

Hong Kong protests: Armed mob violence leaves city in shock (22 Jul 2019)

 

Ukraine election: President Zelensky's party heads for win (22 Jul 2019)

 

Chandrayaan-2: India set to re-attempt Moon mission launch (21 Jul 2019)

 

Mack Horton: Swimmer refuses to join rival Sun Yang on podium (22 Jul 2019)

 

The Silicon Valley space race (22 Jul 2019)

 

Salmon trapped in Canada landslide to be airlifted to safety (22 Jul 2019)

 

Portugal wildfires: Huge operation tackles central Portugal blazes (21 Jul 2019)

 

UK PM to chair emergency meeting on Iran crisis (22 Jul 2019)

 

Voting to close in UK Tory leadership contest (22 Jul 2019)

 

China's new Nasdaq-style board begins trading (22 Jul 2019)

more »

 

SF Gate

 

Google Glass lives on as a device to teach autistic children (21 Jul 2019)

 

The best-sounding true wireless headphones (21 Jul 2019)

 

‘Dumbfake’ videos may be worse than deepfakes? (20 Jul 2019)

 

Despite high hopes, self-driving cars are ‘way in the future’ (20 Jul 2019)

 

Dream of retiring abroad? The reality: Medicare doesn’t travel well (19 Jul 2019)

 

Trump says he may intervene in huge Pentagon cloud contract (19 Jul 2019)

more »


Site feed Updated: 2019-Jul-22 00:00