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Shell Programming and Scripting
perl limitations vs. bash?
Post 302420774 by unclecameron on Wednesday 12th of May 2010 11:22:31 AM
05-12-2010
perl limitations vs. bash?
I've building a bunch of bash scripts, and am thinking about "converting" to perl, and have a couple questions first:
1. Is there anything bash will do that perl won't?
2. How steep is the learning curve?
3. If perl's more powerful, why?
4. I've built a small app in python, which seemed nice, isn't there a wider support depth (i.e. example code, # of users)in perl than python?
5. I'm building mostly sysadmin scripts, if I were going to do more web integration (think php/javascript) with my code, would perl or python be easier to build, and which would be more powerful, or are they roughly the same?
This isn't meant to be a troll, I really would like to continue learning, and you guys have been very helpful learning bash, awk, sed, grep, etc. on multiple occasions
1. Is there anything bash will do that perl won't?
2. How steep is the learning curve?
3. If perl's more powerful, why?
4. I've built a small app in python, which seemed nice, isn't there a wider support depth (i.e. example code, # of users)in perl than python?
5. I'm building mostly sysadmin scripts, if I were going to do more web integration (think php/javascript) with my code, would perl or python be easier to build, and which would be more powerful, or are they roughly the same?
This isn't meant to be a troll, I really would like to continue learning, and you guys have been very helpful learning bash, awk, sed, grep, etc. on multiple occasions
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isympy
isympy(1) isympy(1) NAME
isympy - interactive shell for SymPy SYNOPSIS
isympy [-c | --console] isympy [ {-h | --help} | {-v | --version} ] DESCRIPTION
isympy is a Python shell for SymPy. It is just a normal python shell (ipython shell if you have the ipython package installed) that exe- cutes the following commands so that you don't have to: >>> from __future__ import division >>> from sympy import * >>> x, y, z = symbols("xyz") >>> k, m, n = symbols("kmn", integer=True) So starting isympy is equivalent to starting python (or ipython) and executing the above commands by hand. It is intended for easy and quick experimentation with SymPy. For more complicated programs, it is recommended to write a script and import things explicitly (using the "from sympy import sin, log, Symbol, ..." idiom). OPTIONS
-c shell, --console=shell Use the specified shell (python or ipython) as console backend instead of the default one (ipython if present or python otherwise). Example: isympy -c python FILES
${HOME}/.sympy-history Saves the history of commands when using the python shell as backend. BUGS
The upstreams BTS can be found at <http://code.google.com/p/sympy/issues/list> Please report all bugs that you find in there, this will help improve the overall quality of SymPy. SEE ALSO
ipython(1), python(1) 2007-10-8 isympy(1)