Trouble with test pattern Post: 302947129

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Top Forums Shell Programming and Scripting Trouble with test pattern Post 302947129 by Aia on Monday 15th of June 2015 04:43:55 PM

06-15-2015

Registered User

Quote:

Originally Posted by Chubler_XL

I believe the following change to Aia's test should match the original grep criteria. Also =~ if for awk, in bash/ksh use = instead

Code:

for file in *; do
    if [[ "$file" = *02-[0-9][0-9]-2015* ]]
    then
       echo cp "$file" /tmp/feb
   fi
done

This is the line that the OP posted having problems with:

Code:

if [[ $file =~ "02\\-[0-9]\{2\}-2015"  ]];

The intention was to just show where the trouble originate from, thus, basically, the copy and paste.
Otherwise, I would have not even bother with a loop, a simple ls pattern | xargs cp would have done the job.

Quote:

Also =~ if for awk, in bash/ksh use = instead

Since version 3 bash obtained its own regex-match operator: =~.

Last edited by Aia; 06-15-2015 at 05:55 PM.. Reason: Explaining

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LEARN ABOUT NETBSD

zgrep

ZGREP(1)						    BSD General Commands Manual 						  ZGREP(1)

NAME

     zgrep, zegrep, zfgrep -- print lines matching a pattern in gzip-compressed files

SYNOPSIS

     zgrep [grep-flags] [--] pattern [files ...]

     zegrep [grep-flags] [--] pattern [file ...]

     zfgrep [grep-flags] [--] pattern [file ...]

DESCRIPTION

     zgrep runs grep(1) on files or stdin, if no files argument is given, after decompressing them with zcat(1).

     The grep-flags and pattern arguments are passed on to grep(1).  If an -e flag is found in the grep-flags, zgrep will not look for a pattern
     argument.

     zegrep calls egrep(1), while zfgrep calls fgrep(1).

EXIT STATUS

     In case of missing arguments or missing pattern, 1 will be returned, otherwise 0.

SEE ALSO

     egrep(1), fgrep(1), grep(1), gzip(1), zcat(1)

AUTHORS

     Thomas Klausner <wiz@NetBSD.org>

BSD
								 December 28, 2003							       BSD