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Full Discussion: Help with multiple file rename - change case of part of file name
Top Forums UNIX for Dummies Questions & Answers Help with multiple file rename - change case of part of file name Post 76777 by Ygor on Thursday 30th of June 2005 01:08:18 PM
Old 06-30-2005
Quote:
Originally Posted by rahul123_libra
for old_name in `ls -l path_to_dir/*jpg`
do
new_name=`awk -F"-" 'BEGIN { OFS="-"} {$3=toupper($3);print $0}' $old_name`
mv $old_name $new_name
done
This has some errors in that awk line. Firstly, it's attempting to process the JPG file itself rather than the file name.
Also, using $3 sometimes matches more than the 4 letter code (where there is no suffix).

Perhaps try:
Code:
for i in *.jpg
do
  eval $(echo $i|awk '{printf "mv %s %s\n", $0,\
    substr($0,1,11) toupper(substr($0,12,4)) substr($0,16)}')
done

 

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LEARN ABOUT DEBIAN

perl::critic::policy::builtinfunctions::prohibitlvaluesubstr

Perl::Critic::Policy::BuiltinFunctions::ProhibitLvalueSuUser(Contributed Perl DocPerl::Critic::Policy::BuiltinFunctions::ProhibitLvalueSubstr(3pm)

NAME

       Perl::Critic::Policy::BuiltinFunctions::ProhibitLvalueSubstr - Use 4-argument "substr" instead of writing "substr($foo, 2, 6) = $bar".

AFFILIATION

       This Policy is part of the core Perl::Critic distribution.

DESCRIPTION

       Conway discourages the use of "substr()" as an lvalue, instead recommending that the 4-argument version of "substr()" be used instead.

	   substr($something, 1, 2) = $newvalue;     # not ok
	   substr($something, 1, 2, $newvalue);      # ok

       The four-argument form of "substr()" was introduced in Perl 5.005.  This policy does not report violations on code which explicitly
       specifies an earlier version of Perl (e.g. "use 5.004;").

CONFIGURATION

       This Policy is not configurable except for the standard options.

SEE ALSO

       "substr" in perlfunc (or "perldoc -f substr").

       "4th argument to substr" in perl5005delta

AUTHOR

       Graham TerMarsch <graham@howlingfrog.com>

COPYRIGHT

       Copyright (c) 2005-2011 Graham TerMarsch.  All rights reserved.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.14.2							    2012-06-07	 Perl::Critic::Policy::BuiltinFunctions::ProhibitLvalueSubstr(3pm)
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