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Full Discussion: Advanced File Rename help
Top Forums UNIX for Dummies Questions & Answers Advanced File Rename help Post 302220869 by rubin on Friday 1st of August 2008 10:43:26 PM
Old 08-01-2008
Code:
for i in *.asc
 
 do 
   
   a=${i%_*}; b=${i#*_}; c=${b%.*}
 
    if [ $(expr $c - 183) -lt 1 ]
      then
         x=$(expr $a - 1); y=$(printf "%03s\n" $(expr $c - 183 + 365))
         mv $i $x"_"$y.asc
      else 
         x=$a; y=$(printf "%03s" $(expr $c - 183))
         mv $i $x"_"$y.asc
    fi
 
done

Try it first with echo, then do a rename with mv.
 

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gvfs-rename(1)							   User Commands						    gvfs-rename(1)

NAME
gvfs-rename - change the name of a file or directory using the VFS system SYNOPSIS
gvfs-rename source-URI new-name DESCRIPTION
gvfs-rename changes the name of a file or directory, using the virtual file system. OPERANDS
The following operands are supported: source-URI Specifies the source file location in standard URI format. new-name Specifies the new name for file or directory. EXAMPLES
Example 1: Rename a Local HTML File example% gvfs-rename file:///home/user/index.html file:///home/user/index.html.old ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables: NLSPATH. EXIT STATUS
The exit value 0 is returned regardless of success or failure. FILES
The following files are used by this application: /usr/bin/gvfs-rename Executable to rename a file using the GVFS library ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-gvfs | +-----------------------------+-----------------------------+ |Interface stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
gvfs-cat(1), gvfs-copy(1), gvfs-move(1), gvfs-info(1), gvfs-less(1), gvfs-ls(1), gvfs-mkdir(1) gvfs-monitor-dir(1), gvfs-monitor-file(1), gvfs-mount(1), gvfs-copy(1), gvfs-open(1), gvfs-rm(1), gvfs-save(1), gvfs-trash(1), gvfs-tree(1), attributes(5), environ(5) NOTES
Written by Alvaro Lopez Ortega, Sun Microsystems Inc., 2008. SunOS 5.11 30 May 2008 gvfs-rename(1)
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