PyAwk 0.1.0

A framework which makes you to write scripts as if they were written in awk.

All you have to do is make a script file and create a class which extends PyAwk class and write some procedures like awk.

There are some examples on https://github.com/hideshi/PyAwk.

Requirements

• Python 3.3 or later

Features

• begin and end syntax which are called only once in an execution.

• begin_file and end_file syntax which are called only once par each file.

• awk specific valiables like FILENAME, FS, OFS, RS, ORS, NF, NR, FNR, FIELDWIDTHS.

• command line options like debug mode, set valiables.

• SQLite3 query.

Setup

$ pip install PyAwk

History

0.1.0 (2014-02-21)

• first release

Example

This is a parser for LTSV formatted data. http://ltsv.org

#!/usr/bin/env python3.3
from pyawk import PyAwk, p
class LTSVParser(PyAwk):
    def begin(self):
        self.FS = '\t'
        self.count = 0

    def action(self, S):
        if not p(S[0], r'status:200'):
            self.count += 1
            self.print('----------')
            d = {}
            for elem in S[1:]:
                key, value = elem.split(':', 1)
                d[key] = value
            self.print(d)

    def end(self):
        self.print('----------')
        self.print('Total:{}'.format(self.NR))
        self.print('Matched:{}'.format(self.count))

if __name__ == '__main__':
    LTSVParser().run()

Then you can execute this script with LTSV file.

$ ./ltstparser.py ltsv.log