#!/bin/bash
# rename PATTERN NEWNAME
#
# for example: rename IMG_11 iphone-screen-pic-
#
renumber=0; fixpng=1; doit=1; count=1
args=$(getopt npt $*)
if [ $? != 0 -o $# -lt 2 ] ; then
echo "Usage: $(basename $0) {-p} {-n} {-t} PATTERN NEWPATTERN"
echo "
echo " -p rewrites PNG to png"
echo " -n sequentially numbers matching files with"
echo " NEWPATTERN as base filename"
echo " -t test mode: show what you’ll do, don’t do it."
exit 0
fi
set -- $args
for i; do
case "$i"
in
-n ) renumber=1 ; shift ;;
-p ) fixpng=1 ; shift ;;
-t ) doit=0 ; shift ;;
-- ) shift; break ;;
fi
matches="$(ls -1 $1* 2>&1 | grep -v "No such file" | wc -l)"
if [ $doit -eq 0 ] ; then
echo "Debug: renumber = $renumber, fixpng = $fixpng, doit = $doit, matches
= $matches"
fi
if [ $matches -eq 0 ] ; then
echo "Error: no files match pattern $1*"
exit 0
fi
for name in $1*
do
new="$(echo $name | sed "s/$1/$2/")"
if [ $fixpng -eq 1 ] ; then
new="$(echo $new | sed 's/PNG$/png/')"
fi
if [ $renumber -eq 1 ] ; then # with renumbering, we discard
original filename
# the following assumes that we only have a single dot in the filename
!!
suffix="$(echo $name | cut -d. -f2- | tr '[A-Z]' '[a-z]')"
new="$2$count.$suffix"
count=$(( $count + 1 ))
echo "mv $name $new"
if [ $doit -eq 1 ] ; then
mv $name $new ; chmod a+r $new
fi
else
echo "mv $name $new"
if [ $doit -eq 1 ] ; then
mv $name $new ; chmod a+r $new
fi
fi
done
exit 0
--
Follow me on twitter : www.twitter.com/anoovis
_______________________________________________
Indian Libre User Group Cochin Mailing List
http://www.ilug-cochin.org/mailing-list/
http://mail.ilug-cochin.org/mailman/listinfo/mailinglist_ilug-cochin.org
#[email protected]
