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How to rename a multiple UNIX file
system?
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By:
Jeff Turner
#
#!/bin/ksh
# Korn shell script
#
# Script to rename files as per the DOS
routine A* B*
# Author: Jeff Turner, Context-Switch
Limited
# Creation Date: April 3rd, 2002
# Version: 1.0
# declare variables that will be used
in the script
integer charcount=0 lencount=0 diff=0
bon="$(tput smso)"
boff="$(tput rmso)"
# clear screen and display message to
user
while true
do
clear
echo "File ReNamer Program
This program allows you to rename files
by changing the first
few characters of the filename.
For example:
Axxxxx can become Bxxxxx
AAxxxx can become BBxxxx
and so on.
You will be asked for the following:
1) characters to be replaced
2) characters to replace with
NOTE:
This program assumes that the change
will be applied to files
in the current directory.
${bon}To terminate this program, use
Control-C ${boff}
1) Please enter the filename characters
to be replaced: \c"
# read user input
read STARTCHARS ignorerest
# now test input
if [ -z "$STARTCHARS" ]
then
# user entered no characters
echo "\aERROR! You must enter
something!"
sleep 2
continue #
go back to start of loop
fi
echo "\n2) Now, enter the
replacement characters: \c"
# read user input
read REPLACECHARS ignorerest
# now test input
if [ -z "$REPLACECHARS" ]
then
# user entered no characters
echo "\aERROR! You must enter
something!"
sleep 2
continue #
go back to start of loop
fi
break
# if we get this far, it is ok to move on to next stage
done
# end loop
echo "\n"
# now to find files that match the
criteria and effect the change
FILELIST=${STARTCHARS}*
for VAR in $FILELIST
do
charcount=${#STARTCHARS}
lencount=${#VAR}
((diff = lencount - charcount ))
if (( diff > 0 ))
then
tempname=$VAR
eval typeset -R$diff tempname
NEWNAME="${REPLACECHARS}${tempname}"
# now rename the file(s)
mv $VAR $NEWNAME && echo "Renamed $VAR to
$NEWNAME"
else
continue # back to start of loop again
fi
done
Good
Luck!
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