marchelly

#!/bin/bash
#recursive convert include subdirs
# Set convert ratio on %
ratio="2048x2048";
res="0";
max_px="2047"
ident="/usr/bin/identify";
optns=" -interlace line -filter Lanczos";
###################

function convert_img() {
                echo "Entering dir $new_name";
                cd "$new_name";
                        ls -1 | while read name;
                        do
#                       echo "Working on $name";
#                       sleep 1s;
# FILES
                        START_F=$(date +%s)
                                if [ -f "$name" ]; then
                                        if [ "${name##*.}" == "jpg" ];  then
                                        cur_res=$( $ident -format %wx%h "$name" );
                                        cur_h=$( $ident -format %h "$name" );
                                        cur_w=$( $ident -format %w "$name" );
                                        cur_size=$(stat -c%s "$name");
                                        echo "Current $name resolution: $cur_res size: $cur_size";
                                                if [ "$cur_h" -gt "$max_px" ]; then
#                                               echo "Is hight $cur_h >= $max_px";
                                                let res="1";
                                                elif [ "$cur_w" -gt "$max_px" ]; then
#                                               echo "Is width $cur_w > $max_px";
                                                let res="1";
                                                fi;

                                                if [ $res -gt 0 ]; then
                                                echo " $cur_res is greater then $max_px Resizing...";
                                                res=0;
#                                               echo "convert $name $optns -resize $ratio -quality 95 tmp_$name";
#                                               echo "Converting...";
                                                convert "$name" $optns -resize $ratio -quality 90 "tmp_$name";
                                                # replace the original file ONLY IF the resizing was successful
                                                        if [ `echo $?` == "0" ]; then
                                                        # replace the original file with the scaled file
                                                        rm -f "$name"
                                                                if [ $? -eq "0" ]; then
                                                                mv "tmp_$name" "$name"
                                                                cur_res=$( $ident -format %wx%h "$name" );
                                                                new_size=$(stat -c%s "$name");
                                                                diff_size=$(( $cur_size - $new_size ))
                                                                echo "New $name resolution: $cur_res size: $new_size diff: $diff_size";
                                                                fi
                                                        else
                                                        echo "Failed to resize image $name"
                                                        fi;
                                                fi;
                                        else
                                        echo "NOTHING TO DO!";
                                        fi;
                                END_F=$(date +%s)
                                DIFF_F=$(( $END_F - $START_F ))
                                echo "It took $DIFF_F seconds"
# DIRS
                                elif [ -d "$name" ]
                                then
# Run function
                                new_name="$name";
echo $new_name;
                                local START_D=$(date +%s)
                                convert_img
                                local END_D=$(date +%s)
                                local DIFF_D=$(( $END_D - $START_D ))
                                echo "It took $DIFF_D seconds"

                                else
                                echo "Exiting dir $new_name";
                                fi
                        done;
                        cd ../;
}
##############

ls -1 | while read new_name;
do
        echo "Working on $new_name";
                if [ -d "$new_name" ];
                then
                convert_img
                fi
done;