ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib64 / python2.7 / Tools / scripts

#! /usr/bin/env python

"""Reverse grep.

Usage: rgrep [-i] pattern file
"""

import sys
import re
import getopt

def main():
    bufsize = 64*1024
    reflags = 0
    opts, args = getopt.getopt(sys.argv[1:], "i")
    for o, a in opts:
        if o == '-i':
            reflags = reflags | re.IGNORECASE
    if len(args) < 2:
        usage("not enough arguments")
    if len(args) > 2:
        usage("exactly one file argument required")
    pattern, filename = args
    try:
        prog = re.compile(pattern, reflags)
    except re.error, msg:
        usage("error in regular expression: %s" % str(msg))
    try:
        f = open(filename)
    except IOError, msg:
        usage("can't open %s: %s" % (repr(filename), str(msg)), 1)
    f.seek(0, 2)
    pos = f.tell()
    leftover = None
    while pos > 0:
        size = min(pos, bufsize)
        pos = pos - size
        f.seek(pos)
        buffer = f.read(size)
        lines = buffer.split("\n")
        del buffer
        if leftover is None:
            if not lines[-1]:
                del lines[-1]
        else:
            lines[-1] = lines[-1] + leftover
        if pos > 0:
            leftover = lines[0]
            del lines[0]
        else:
            leftover = None
        lines.reverse()
        for line in lines:
            if prog.search(line):
                print line

def usage(msg, code=2):
    sys.stdout = sys.stderr
    print msg
    print __doc__
    sys.exit(code)

if __name__ == '__main__':
    main()

[+] ..
[-] setup.pyo [edit]
[-] classfix.py [edit]
[-] cvsfiles.pyo [edit]
[-] fixps.pyc [edit]
[-] fixdiv.py [edit]
[-] ptags.pyc [edit]
[-] pysource.pyc [edit]
[-] h2py.py [edit]
[-] svneol.py [edit]
[-] win_add2path.pyc [edit]
[-] suff.py [edit]
[-] untabify.py [edit]
[-] parseentities.py [edit]
[-] objgraph.pyc [edit]
[-] mailerdaemon.pyo [edit]
[-] findlinksto.pyo [edit]
[-] checkappend.py [edit]
[-] fixps.py [edit]
[-] untabify.pyo [edit]
[-] setup.py [edit]
[-] find_recursionlimit.pyc [edit]
[-] nm2def.pyc [edit]
[-] copytime.pyo [edit]
[-] dutree.pyc [edit]
[-] which.py [edit]
[-] db2pickle.pyo [edit]
[-] serve.pyo [edit]
[-] svneol.pyc [edit]
[-] lll.py [edit]
[-] pindent.pyc [edit]
[-] h2py.pyo [edit]
[-] lll.pyo [edit]
[-] analyze_dxp.py [edit]
[-] byteyears.pyc [edit]
[-] reindent-rst.pyo [edit]
[-] serve.py [edit]
[-] mkreal.py [edit]
[-] ndiff.pyo [edit]
[-] combinerefs.pyc [edit]
[-] diff.pyc [edit]
[-] fixnotice.pyo [edit]
[-] texcheck.pyc [edit]
[-] analyze_dxp.pyo [edit]
[-] byext.py [edit]
[-] dutree.py [edit]
[-] which.pyc [edit]
[-] texcheck.pyo [edit]
[-] reindent.pyo [edit]
[-] methfix.pyo [edit]
[-] ndiff.py [edit]
[-] texi2html.pyc [edit]
[-] parseentities.pyc [edit]
[-] checkpyc.pyc [edit]
[-] hotshotmain.py [edit]
[-] ftpmirror.pyo [edit]
[-] fixps.pyo [edit]
[-] redemo.pyo [edit]
[-] fixcid.pyo [edit]
[-] finddiv.pyo [edit]
[-] which.pyo [edit]
[-] redemo.py [edit]
[-] suff.pyc [edit]
[-] cleanfuture.py [edit]
[-] combinerefs.py [edit]
[-] ptags.pyo [edit]
[-] byext.pyc [edit]
[-] db2pickle.py [edit]
[-] cvsfiles.py [edit]
[-] pindent.py [edit]
[-] diff.pyo [edit]
[-] analyze_dxp.pyc [edit]
[-] cleanfuture.pyo [edit]
[-] dutree.pyo [edit]
[-] eptags.pyo [edit]
[-] pysource.py [edit]
[-] reindent.pyc [edit]
[-] google.pyc [edit]
[-] logmerge.py [edit]
[-] lfcr.py [edit]
[-] finddiv.pyc [edit]
[-] classfix.pyo [edit]
[-] lfcr.pyo [edit]
[-] treesync.py [edit]
[-] hotshotmain.pyo [edit]
[-] nm2def.py [edit]
[-] byext.pyo [edit]
[-] ftpmirror.py [edit]
[-] treesync.pyc [edit]
[-] copytime.py [edit]
[-] finddiv.py [edit]
[-] ifdef.py [edit]
[-] patchcheck.pyo [edit]
[-] objgraph.pyo [edit]
[-] ptags.py [edit]
[-] objgraph.py [edit]
[-] cvsfiles.pyc [edit]
[-] pysource.pyo [edit]
[-] pathfix.py [edit]
[-] linktree.pyc [edit]
[-] eptags.py [edit]
[-] patchcheck.py [edit]
[-] mkreal.pyc [edit]
[-] rgrep.pyc [edit]
[-] google.py [edit]
[-] win_add2path.py [edit]
[-] texcheck.py [edit]
[-] pathfix.pyo [edit]
[-] gprof2html.py [edit]
[-] pickle2db.pyc [edit]
[-] findnocoding.pyc [edit]
[-] nm2def.pyo [edit]
[-] checkappend.pyo [edit]
[-] texi2html.py [edit]
[-] crlf.pyc [edit]
[-] treesync.pyo [edit]
[-] findlinksto.py [edit]
[-] pdeps.pyc [edit]
[-] fixheader.pyo [edit]
[-] pdeps.pyo [edit]
[-] findnocoding.py [edit]
[-] setup.pyc [edit]
[-] methfix.pyc [edit]
[-] logmerge.pyo [edit]
[-] reindent.py [edit]
[-] hotshotmain.pyc [edit]
[-] gprof2html.pyc [edit]
[-] redemo.pyc [edit]
[-] fixheader.py [edit]
[-] diff.py [edit]
[-] classfix.pyc [edit]
[-] ftpmirror.pyc [edit]
[-] google.pyo [edit]
[-] db2pickle.pyc [edit]
[-] pathfix.pyc [edit]
[-] ifdef.pyo [edit]
[-] xxci.pyc [edit]
[-] rgrep.pyo [edit]
[-] cleanfuture.pyc [edit]
[-] reindent-rst.pyc [edit]
[-] svneol.pyo [edit]
[-] xxci.pyo [edit]
[-] parseentities.pyo [edit]
[-] md5sum.py [edit]
[-] eptags.pyc [edit]
[-] mailerdaemon.pyc [edit]
[-] pickle2db.pyo [edit]
[-] win_add2path.pyo [edit]
[-] serve.pyc [edit]
[-] byteyears.pyo [edit]
[-] fixdiv.pyo [edit]
[-] logmerge.pyc [edit]
[-] pickle2db.py [edit]
[-] checkpyc.pyo [edit]
[-] fixdiv.pyc [edit]
[-] find_recursionlimit.py [edit]
[-] crlf.pyo [edit]
[-] suff.pyo [edit]
[-] lll.pyc [edit]
[-] rgrep.py [edit]
[-] untabify.pyc [edit]
[-] ifdef.pyc [edit]
[-] fixheader.pyc [edit]
[-] fixcid.pyc [edit]
[-] crlf.py [edit]
[-] checkappend.pyc [edit]
[-] xxci.py [edit]
[-] findnocoding.pyo [edit]
[-] mkreal.pyo [edit]
[-] patchcheck.pyc [edit]
[-] linktree.pyo [edit]
[-] texi2html.pyo [edit]
[-] fixcid.py [edit]
[-] ndiff.pyc [edit]
[-] md5sum.pyo [edit]
[-] findlinksto.pyc [edit]
[-] reindent-rst.py [edit]
[-] linktree.py [edit]
[-] byteyears.py [edit]
[-] md5sum.pyc [edit]
[-] copytime.pyc [edit]
[-] combinerefs.pyo [edit]
[-] fixnotice.py [edit]
[-] pdeps.py [edit]
[-] fixnotice.pyc [edit]
[-] lfcr.pyc [edit]
[-] checkpyc.py [edit]
[-] methfix.py [edit]
[-] pindent.pyo [edit]
[-] mailerdaemon.py [edit]
[-] gprof2html.pyo [edit]
[-] h2py.pyc [edit]
[-] find_recursionlimit.pyo [edit]