11-23-2007
Quote:
Originally Posted by
krishnan_6015@y
Hi,
I need to search for a multiple string pattern(5 key words) in a file(similar to a flat file) ,and i need to store the output in a another file .
In that file we may have mutiple occurrences of the key words.and i need only the unique.
kindly help out.
Thanks,
Mohana Krishnan
Hi Mohana Krishnan,
I don't understand this line. Can you explain it.
In that file we may have mutiple occurrences of the key words.and i need only the unique.
To search multiple patterns in a file u can use grep with -e option.
grep -e pattern1 -e pattern2 -e pattern3 filename > newfile.
Regards,
Chella
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LEARN ABOUT OSX
tcl_stringcasematch
Tcl_StringMatch(3) Tcl Library Procedures Tcl_StringMatch(3)
__________________________________________________________________________________________________________________________________________________
NAME
Tcl_StringMatch, Tcl_StringCaseMatch - test whether a string matches a pattern
SYNOPSIS
#include <tcl.h>
int
Tcl_StringMatch(str, pattern)
int
Tcl_StringCaseMatch(str, pattern, flags)
ARGUMENTS
const char *str (in) String to test.
const char *pattern (in) Pattern to match against string. May contain special characters from the set *?[].
int flags (in) OR-ed combination of match flags, currently only TCL_MATCH_NOCASE. 0 specifies a case-sensitive search.
_________________________________________________________________
DESCRIPTION
This utility procedure determines whether a string matches a given pattern. If it does, then Tcl_StringMatch returns 1. Otherwise
Tcl_StringMatch returns 0. The algorithm used for matching is the same algorithm used in the string match Tcl command and is similar to
the algorithm used by the C-shell for file name matching; see the Tcl manual entry for details.
In Tcl_StringCaseMatch, the algorithm is the same, but you have the option to make the matching case-insensitive. If you choose this (by
passing TCL_MATCH_NOCASE), then the string and pattern are essentially matched in the lower case.
KEYWORDS
match, pattern, string
Tcl 8.5 Tcl_StringMatch(3)