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    <p>This bash script will rename and convert the jpg files in the newest directory in the current directory and the files in the first level of directories under that directory.</p> <pre><code>#!/bin/bash FIRST_DIR=`ls -t1F | grep / | head -n1` DIR="./${FIRST_DIR}" ls -t1F $DIR | while read -r FILE do if [ "$FILE" ] then if [[ $FILE = */ ]] then echo "here ${DIR}${FILE}." DEEP_DIR="${DIR}${FILE}" ls -t1 $DEEP_DIR | while read -r FILE2 do if [ "$FILE2" ] then if [[ $FILE2 != */ ]] then RENAME=`echo ${FILE2//\*/} | tr ' ' '_' ` mv -v "${DEEP_DIR}${FILE2//\*/}" "${DEEP_DIR}${RENAME}" FILE2=$RENAME RENAME2=`echo ${FILE2//\*/} | tr '\*.JPEG' '\*.jpg' ` mv -v "${DEEP_DIR}${FILE2//\*/}" "${DEEP_DIR}${RENAME2}" FILE2=$RENAME2 fi fi done mogrify -resize 750 "$DEEP_DIR*.jpg" wait jpegoptim "$DEEP_DIR*.jpg" –max=70 --strip-all fi if [[ $FILE != */ ]] then RENAME=`echo ${FILE//\*/} | tr ' ' '_' ` mv -v "${DIR}${FILE//\*/}" "${DIR}${RENAME}" FILE=$RENAME RENAME2=`echo ${FILE//\*/} | tr '\*.JPEG' '\*.jpg' ` mv -v "${DIR}${FILE//\*/}" "${DIR}${RENAME2}" FILE=$RENAME2 fi fi done if [ "$FIRST_DIR" ] then mogrify -resize 750 "$DIR*.jpg" wait jpegoptim "$DIR*.jpg" –max=70 --strip-all fi </code></pre> <p>Here are a couple of good links about bash programming:</p> <p><a href="http://tldp.org/LDP/abs/html/comparison-ops.html" rel="nofollow">http://tldp.org/LDP/abs/html/comparison-ops.html</a></p> <p><a href="http://tldp.org/LDP/abs/html/string-manipulation.html" rel="nofollow">http://tldp.org/LDP/abs/html/string-manipulation.html</a></p>
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    1. POHow do I list newest directory and add as variable to bash script to process files recursively
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    1. COThanks Eric for this I tried the script but I get lots of errors: ls: cannot access 3: No such file or directory: line 15: [: too many arguments - line 7: [: too many arguments. Basically nothing happens.
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    2. COWhich OS are you running this on? @Grant
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    3. COUbuntu 11.10 but will ultimately run on CentOS @Eric
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