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Full Discussion: Rename Files
Top Forums UNIX for Dummies Questions & Answers Rename Files Post 302516283 by Corona688 on Friday 22nd of April 2011 11:38:09 AM
Old 04-22-2011
Quote:
Im trying to rename all of the 2900 of them to stick to the format of ABCD_201103027_timestamp_Log.txt so that each file has a unique name & also a timestamp. Now, to achieve that unique name, Im using the sleep 1 to wait for the next second so that in the next iteration, the file would be named differently.
Ahah -- so the timestamp isn't to mark it with its own time, but to make the filename unique! Okay.

You didn't answer the most important question:
Quote:
Originally Posted by Corona688
What's your system? What's your shell? What you can write depends on that.
But since you can't or won't say, I'll try to write a solution that'll work even in terrible shells. Unfortunately that means it won't be the fastest or most efficient or most direct way I could write it.

---------- Post updated at 09:38 AM ---------- Previous update was at 09:19 AM ----------

Code:
#!/bin/sh
# if your system has -maxdepth, you should use find -maxdepth 1 ...
find ./ -name 'ABCD_*' |
        awk -F'_'       -v START=`date +%H:%M:%S` '
BEGIN { split(START, HMS, ":"); }
        {
                printf("%s\t%s_%s_%s_Log.txt\n", $0, $1,$2,HMS[1] ":" HMS[2] ":" HMS[3]);

                if(++HMS[3] >= 60) {    HMS[3]=0;       HMS[2]++;       }
                if(HMS[2] >= 60) {      HMS[2]=0;       HMS[1]++;       }
                if(HMS[1] >= 23)        HMS[1]=0;
        }' | while read ORIG NEW
        do
                echo mv "$ORIG" "$NEW"
        done

Last edited by Corona688; 04-22-2011 at 12:24 PM..
 

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LEARN ABOUT DEBIAN

page_util_quote

page_util_quote(3tcl)					      Parser generator tools					     page_util_quote(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME

       page_util_quote - page character quoting utilities

SYNOPSIS

       package require page::util::quote  ?0.1?

       package require snit

       ::page::util::quote::unquote char

       ::page::util::quote::quote'tcl char

       ::page::util::quote::quote'tclstr char

       ::page::util::quote::quote'tclcom char

_________________________________________________________________

DESCRIPTION

       This package provides a few utility commands to convert characters into various forms.

API

       ::page::util::quote::unquote char
	      A  character,  as stored in an abstract syntax tree by a PEG processor (See the packages grammar::peg::interpreter, grammar::me, and
	      their relations), i.e. in some quoted form, is converted into the equivalent Tcl character. The character is returned as the  result
	      of the command.

       ::page::util::quote::quote'tcl char
	      This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser, will
	      regenerate the character in question and is 7bit ASCII. The string is returned as the result of this command.

       ::page::util::quote::quote'tclstr char
	      This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl  parser  and
	      will generate a human readable representation of the character in question.  The string is returned as the result of this command.

	      The  string  does not use any unprintable characters. It may use backslash-quoting. High UTF characters are quoted to avoid problems
	      with the still prevalent ascii terminals. It is assumed that the string will be used in a double-quoted environment.

       ::page::util::quote::quote'tclcom char
	      This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser  when
	      used within a Tcl comment. The string is returned as the result of this command.

BUGS, IDEAS, FEEDBACK
       This  document,	will  undoubtedly  contain  bugs  and  other  problems.  Please report such in the category page of the Tcllib SF Trackers
       [http://sourceforge.net/tracker/?group_id=12883].  Please also report any ideas for enhancements you may have.

KEYWORDS

       page, parser generator, quoting, text processing

CATEGORY

       Page Parser Generator

COPYRIGHT

       Copyright (c) 2007 Andreas Kupries <andreas_kupries@users.sourceforge.net>

page									1.0						     page_util_quote(3tcl)
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