rename.sh0000664000473300001440000000300011434624640011707 0ustar mitchusers#!/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