##// END OF EJS Templates
implement %run myscript.ipy
implement %run myscript.ipy

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magic_grepl.py
60 lines | 1.8 KiB | text/x-python | PythonLexer
fperez
Reorganized the directory for ipython/ to have its own dir, which is a bit...
r0 """This function implements a simple grep-like function in pure python.
You can enable it by copying it to your ~/.ipython directory and putting
execfile = magic_grepl.py
in your ipythonrc file.
Code contributed by Gever Tulley <gever@helium.com>, minor changes applied.
"""
import glob
import re
import os
def magic_grepl(self, parameter_s=''):
"""Search for a pattern in a list of files.
It prints the names of the files containing the pattern. Similar to 'grep
-l' in Unix-like environments.
Usage: @grepl pattern [files]
- pattern: any regular expression pattern which re.compile() will accept.
- files: list of files to scan. It can contain standard unix wildcards.
"""
# argument processing
params = parameter_s.split()
if len(params) > 1:
target = params[0] # first one is the target
file_patterns = params[1:] # all the rest are filenames or patterns
# build the regular expression
expr = re.compile(target)
for pattern in file_patterns:
flist = [f for f in glob.glob(pattern) if os.path.isfile(f)]
for filename in flist:
# open and read the whole file
f = open(filename,'r')
data = f.read()
f.close()
# see if pattern occurs in the file
if expr.search(data):
print filename
else:
# no parameters given
print("Usage: @grepl pattern [files]");
# Add the new magic function to the class dict:
from IPython.iplib import InteractiveShell
InteractiveShell.magic_grepl = magic_grepl
# And remove the global name to keep global namespace clean. Don't worry, the
# copy bound to IPython stays, we're just removing the global name.
del magic_grepl
#********************** End of file <magic_grepl.py> ***********************