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Added pgrep() function, which is like grep/egrep/emgrep but uses Perl 

syntax, by virtue of the new re module.
This commit is contained in:
Guido van Rossum 1997-10-22 20:44:58 +00:00
parent b49144244c
commit 8566e474b4
2 changed files with 36 additions and 0 deletions
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18
Lib/grep.py
View File

@ -38,6 +38,24 @@ def ggrep(syntax, pat, files):
showline(filename, lineno, line, prog)
fp.close()
def pgrep(pat, *files):
if len(files) == 1 and type(files[0]) == type([]):
files = files[0]
global opt_show_filename
opt_show_filename = (len(files) != 1)
import re
prog = re.compile(pat)
for filename in files:
fp = open(filename, 'r')
lineno = 0
while 1:
line = fp.readline()
if not line: break
lineno = lineno + 1
if prog.search(line):
showline(filename, lineno, line, prog)
fp.close()
def showline(filename, lineno, line, prog):
if line[-1:] == '\n': line = line[:-1]
if opt_show_lineno:

18
Lib/lib-old/grep.py
View File

@ -38,6 +38,24 @@ def ggrep(syntax, pat, files):
showline(filename, lineno, line, prog)
fp.close()
def pgrep(pat, *files):
if len(files) == 1 and type(files[0]) == type([]):
files = files[0]
global opt_show_filename
opt_show_filename = (len(files) != 1)
import re
prog = re.compile(pat)
for filename in files:
fp = open(filename, 'r')
lineno = 0
while 1:
line = fp.readline()
if not line: break
lineno = lineno + 1
if prog.search(line):
showline(filename, lineno, line, prog)
fp.close()
def showline(filename, lineno, line, prog):
if line[-1:] == '\n': line = line[:-1]
if opt_show_lineno: