pythonpy 0.2.2dev

Command line utility for Python

# install sudo pip install pythonpy; alias py=’pythonpy’

# float arithmetic $ py ‘3 * 1.5’ 4.5

# exponentiation $ py ‘7**3’ 343

# number sequence $ py ‘range(3)’ 0 1 2

# list comprehensions $ py ‘[x**2 for x in range(1,5)]’ 1 4 9 16

# math library usage $ py ‘math.exp(1)’ 2.71828182846

# random library usage $ py ‘random.random()’ 0.103173957713

# multiply each line of input by 7. $ py ‘range(3)’ | py -x ‘int(x)*7’ 0 7 14

# append “.txt” to each line of input $ py ‘range(3)’ | py -x ‘x + “.txt”’ 0.txt 1.txt 2.txt

# Sometimes you want to treat the input as a python list. # reverse a list $ py ‘range(4)’ | py -l ‘l[::-1]’ 3 2 1 0

# sum a list of numbers $ py ‘range(4)’ | py -l ‘sum(int(x) for x in l)’ 6

# count the lines of input $ py ‘range(17)’ | py -l ‘len(l)’ 17

# Other times you just want to filter out lines from the input. # get only even numbers $ py ‘range(8)’ | py -x ‘x if int(x)%2 == 0 else None’ 0 2 4 6

# The shorthand -fx (filter on x) is also available. # get only odd numbers $ py ‘range(8)’ | py -fx ‘int(x)%2 == 1’ 1 3 5 7

# get words starting with “and” $ cat /usr/share/dict/words | py -fx ‘re.match(r”and”, x)’ | head -5 and andante andante’s andantes andiron

#get verbs starting with ba $ cat /usr/share/dict/words | py -fx ‘re.match(r”ba.*ing$”, x)’ | head -5 baaing babbling babying babysitting backbiting

# get long palindromes $ cat /usr/share/dict/words | py -fx ‘x==x[::-1] and len(x) >= 5’ | head -5 civic deified kayak level ma’am

# keep going if row raises Error with (–i). # get the local network ip $ ifconfig | py -x –i ‘re.search(r”192.168[d.]+”, x).group()’ 192.168.1.41