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#!/usr/bin/env bash
#
# nejm_pdf_rename 
#
# Author: Mark Ruff
#
# Strips the title out of a pdf file and renames the pdf accordingly.
# Written for NEJM clinical practice guidelines. Will need modification
# to work with other files (hopefully not much)
 
# Standard line of text which allows us to find the title
MARKER="clinical practice"
 
# Number of lines below the MARKER that the titlte appears
LINES=2
 
for FILE in $@
do
    mv "$FILE" "$(less "$FILE" | grep -A $LINES -m 1 "$MARKER" | sed -n -e "$((LINES+1)) p").pdf"
done