aisk / awpie

Using Python as awk alternative

awpie

Using Python as awk alternative.

Installation

$ pip install awpie

Usage

Upper case all inputs:

$ printf 'apple\norange\n' | awpie 'print(line.upper())'
APPLE
ORANGE

Change orange to banana:

$ printf 'apple\norange\n' | awpie 'print(line) if line != "orange" else print("banana")'
apple
banana

Command Line Options

$ awpie
Usage: awpie [--sep=separator] [--imports=module1,module2] [--begin='prog'] [--end='prog'] 'prog' [file ...]

sep

Separator used to split a line, default value is blank.

imports

Specify which modules will be imported before executing all codes. Can specify multiple modules like --imports=csv,tomlib.

These modules are imported by default:

• collections
• fileinput
• functools
• getopt
• importlib
• itertools
• operator
• os
• sys

begin

Codes that will be executed before processing all files.

end

Codes that will be executed after processing all files.

prog

Codes that will be executed for every line.

file

File to process. Default is to read a stream from stdin as the file.

Local variables

Name	Type	Description
line	str	Current line.
fields	list[str]	Result of line.split(sep). sep can be specified in arguments.
data	dict	An empty dict, can be used to store custom values.
stdout		sys.stdout.
stderr		sys.stderr.
filename	str	Name of the file currently being read.
fileno	int	File descriptor for the current file.
lineno	int	Cumulative line number of the line that has just been read.
filelineno	int	Line number in the current file.
isfirstline	bool	Whether the line just read is the first line of its file or not.
isstdin	bool	Whether the last line was read from sys.stdin or not.
nextfile	callable	Close current file so that next iteration will be read from next file.
close	callable	Close the sequence.