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#!/bin/bash
#
# Creates an index.html file for
# a folder that contains images.
#
# Can recurse through sub-directories
# and place index.html files within
# folders that contain image files.
#
# Michael Anderson
# May 22, 2008
##################################################
#### Variables #####
imgFilter=gif
# Look through sub directories by default?
# 0 = no, 1 = yes
recurseThruDir=0
# Output dir (if you want it copied somewhere else)
storageDir=
##################################################
##################################################
PrintUsage() {
echo "USAGE: makeImgWebPage [options] <folderWithImages>"
echo ""
echo "Creates an index.html file for folder(s) that contain"
echo "image files (as specified by --img-filter option)."
echo "Default action is to place index.html in folders themselves."
echo ""
echo "OPTIONS:"
echo " --img-filter=$imgFilter (or jpg, png, etc...)"
echo " --output-dir=<folderWithImages> (will copy folder(s) recursed thru to there)"
echo " --recurse (Go through sub directories)"
exit 2
}
##################################################
##################################################
#### Get command-line options ####
OPTS=`getopt -o "h" -l "help,output-dir:,img-filter:,recurse" -- "$@"`
if [ $? -ne 0 ]; then PrintUsage; fi
eval set -- "$OPTS"
while [ ! -z "$1" ]
do
case "$1" in
-h) PrintUsage;;
--help) PrintUsage;;
--output-dir) shift; storageDir=$1;;
--img-filter) shift; imgFilter=$1;;
--recurse) recurseThruDir=1;;
--) shift; break;;
*) die "Unexpected option $1";;
esac
shift
done
# Check that they specified the one required input argument
if [ "$#" -ne 1 ]; then PrintUsage; fi
#################################
## Get the rquired input argument
givenFolder=$1
##################################################
##################################################
#### Make sure the given directory
#### is actually a directory
if [ ! -d "$givenFolder" ]; then
echo "Error: $givenFolder is not a directory."
echo ""
PrintUsage
fi
##################################################
##################################################
#### Create index.html for given folder
createIndex() {
folderName=$1
title=$1
fileToMake=$1/index.html
numOfImages=`ls $folderName | grep $imgFilter | wc -l`
if [ $numOfImages -eq 0 ]; then
echo "Error: $folderName contains no $imgFilter images."
echo ""
PrintUsage
else
echo -e "$folderName contains $numOfImages $imgFilter images. \c"
echo -e "Creating index.html...\c"
fi
#######
# Start making the html file
echo -e "<html><head><title>$title</title></head>\n<body>" > $fileToMake
# Loop over all the files in the folder
# that contain $imgFilter in the name
# and add them to the html file
counter=0;
# store internal field separator
ORIGIFS=$IFS
# set $IFS to end-of-line (to deal with spaces in names)
IFS=`echo -en "\n\b"`
for imageFile in `ls $folderName | grep $imgFilter`; do
echo "<img src=\"$imageFile\">" >> $fileToMake
counter=$((($counter+1)%2))
# add a line break <br> after every other image
if [ $counter -eq 0 ]; then
echo "<br>" >> $fileToMake
fi
done
# set $IFS back
IFS=$ORIGIFS
echo "</body></html>" >> $fileToMake
# End of making the html
#######
echo "Done."
return
}
##################################################
##################################################
#### Recurse through directories ####
r() {
#cd "$1"
currentDir=$1
# see if this folder contains img files
numOfImages=`ls "$currentDir" | grep $imgFilter | wc -l`
if [ $numOfImages -gt 0 ]; then
# if so, create index.html
createIndex $currentDir
else
echo "$currentDir contains no $imgFilter images."
fi
# Go to the sub-directories
# store internal field separator
ORIGIFS=$IFS
# set $IFS to end-of-line (to deal with spaces in names)
IFS=`echo -en "\n\b"`
for d in `ls $currentDir` ; do
if [ -d "$currentDir/$d" ]; then
( r "$currentDir/$d" )
fi;
done
# set $IFS back
IFS=$ORIGIFS
return
}
##################################################
##################################################
#### Main Method
if [ "$recurseThruDir" -eq 1 ]; then
r $givenFolder
else
createIndex $givenFolder
fi
# Check to see if we are to copy these
# to an output directory
if [ -n "$storageDir" ]; then
echo -e "Copying $givenFolder to \n$storageDir"
# Consider using --parents option to copy parent folders as well
cp -r $givenFolder $storageDir/
fi
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