diff --git a/ren-from-csv.sh b/ren-from-csv.sh
new file mode 100644
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--- /dev/null
+++ b/ren-from-csv.sh
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+#!/bin/bash5
+
+# Rename a set of files in current dir from .csv - portable and fairly simple
+# 2022.Dec Kingneutron
+
+# HOWTO: 
+# cd to dir you want to work on
+# Populate a temporary file with bare filenames (don't have to use ls, can use "find" or whatever)
+# ls -1 >tmp.csv 	
+
+# Preprocess tmp file and add comma + duplicate filename:
+# awk '{print $1",\t"$1}' tmp.csv |column -t >rename.csv
+
+# Edit tmp file and replace 2nd filename after comma with preferred filename
+# IMPORTANT: Delete any lines that you DONT want renamed
+
+# Run this script
+
+# failexit.mrg
+# REF: https://sharats.me/posts/shell-script-best-practices/
+function failexit () {
+  echo '! Something failed! Code: '"$1 $2" >&2 # code (and optional description)
+  exit $1
+}
+
+# xxx TODO EDITME
+infile=rename.csv
+[ -e $infile ] || failexit 44 "$infile not found in $PWD"
+
+logf=$HOME/ren-from-csv.log
+date >>$logf
+pwd >>$logf
+
+errlog=$HOME/ren-from-csv-errs.log
+>$errlog # clearit
+
+OIFS=$IFS
+IFS="
+"
+
+#set -x # DEBUGG
+while read inputline; do
+  f2r=$(echo "$inputline" |awk -F',' '{print $1}')
+  rento=$(echo "$inputline" |awk -F',' '{print $2}' |sed 's/ //g') # no spaces
+
+  /bin/mv -v "$f2r" "$rento" >>$logf 2>>$errlog
+done < $infile
+IFS=$OIFS
+
+echo "DONE - $(date)" >>$logf
+ls -lh $logf $errlog
+
+exit;
+
+# PROTIP: install detox package and run that on dir 1st 	# detox -v $PWD
+
+# HOWTO:
+# $ ls -1 >tmp.csv # populate
+wallpapersden.com_olivia-taylor-dudley-2018_2160x3840.jpg
+watchmen-youre-locked-in-here-with-me--fark_9jLJBkZ86xroJXgJl_PxH0pBQf8.jpg
+we-dont-need-no-stinkin-gadgets--fark_mqkB3Y1u50LMlRwXXyDPjOkwltw.jpg
+wunmi-mosaku.jpg
+xev-fark_SWJwl7Tm8mZKQydJ60dKAqVJlI0.jpg
+
+# Add comma+tab and Dup to field 2 ++ make easy to read
+awk '{print $1",\t"$1}' tmp.csv |column -t >rename.csv
+#awk '{print $0",\t"$1}' tmp.csv >rename.csv
+
+$ cat rename.csv 
+we-beat-em-before-red-hat-nazis--fark_D0aakxPNV05v8A6OUS2P6AZAYms.jpg,        we-beat-em-before-red-hat-naztis--fark_D0aakxPNV05v8A6OUS2P6AZAYms.jpg
+we-dont-need-no-stinkin-gadgets--fark_mqkB3Y1u50LMlRwXXyDPjOkwltw.jpg,        we-dont-need-no-steenkin-gadgets--fark_mqkB3Y1u50LMlRwXXyDPjOkwltw.jpg
+wunmi-mosaku.jpg,                                                             wunmi-mosaku-ren.jpg