2042
Comment:
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2045
I guess arg was missing
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Deletions are marked like this. | Additions are marked like this. |
Line 21: | Line 21: |
for i in SN(): | for i in SN(arg): |
The idea: using the Python interpreter as an InteractiveShell.
Command execution
Use short method names:
1 def S(arg):
2 """returns string of executed command arg"""
3 return os.popen(arg).read()
4
5 def SN(arg):
6 """returns list of executed command arg"""
7 return os.popen(arg).read().split('\n')
8
9 def SP(arg):
10 """prints string of executed command arg"""
11 print S(arg)
12
13 def SNP(arg):
14 """prints with lines list executed command arg"""
15 for i in SN(arg):
16 print i
Command execution is the one thing an InteractiveShell has to be good at. Typing S("<command>") is too much overhead for command execution. Still, a mixture of bash style command execution and shell programming with Python would be great.
I'd want the simple style of command execution from bash available:
cd /foo/bar
But also the Python style for more complex commands:
os.setcwd('/foo/bar')
Some ways to execute the bash-style command:
Use os.popen(<command>).
- Map all commands to Python functions: cd(), less(), all taking a list of strings as arguments.
- Completely separate bash-style commands from Python commands, executing it with bash.
-- JohannesGijsbers DateTime(2002-12-07T03:34:05)
Path manipulation
The os.path module provides a good set of functions for path manipulation, but you might also want to split the path at the root:
awk comparables
Simply use the re module. It's a fuller set of regular expressions. Create a wrapper function for a utility for this if you want call it inlinegrep.
Limitations
The killall function was rejected by the ["BDFL"]. As far as I can see from the previous version of this page, Guido rejected it because it isn't in POSIX. I couldn't find any references on this in the mailing list archives. Anyone?