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Top Forums Shell Programming and Scripting Removing files matching a pattern Post 302621953 by kristinu on Wednesday 11th of April 2012 10:07:50 AM
Old 04-11-2012
Removing files matching a pattern

I am on ubuntu 11.10 using bash scripts

I want to remove all files matching a string pattern and I am using the following code

Code:
 find . -name "*$pattern*" -exec rm -f {} \;

I have encountered a problem when $pattern is empty. In this case all my files in my current directory were deleted. This was not intended. If no pattern is passed, I definitely do not want to delete all my files.

What would be a safe way to tackle file deletion?
 

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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(string, pattern) int Tcl_StringCaseMatch(string, pattern, nocase) ARGUMENTS
char *string (in) String to test. char *pattern (in) Pattern to match against string. May contain special characters from the set *?[]. int nocase (in) Specifies whether the match should be done case-sensitive (0) or case-insensitive (1). _________________________________________________________________ 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 nocase as 1), then the string and pattern are essentially matched in the lower case. KEYWORDS
match, pattern, string Tcl 8.1 Tcl_StringMatch(3)
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