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December 11, 2015 07:28
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REGEX raplacement in a list of files
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#!/usr/bin/env bash | |
pattern=$1 | |
replace=$2 | |
list=$3 | |
if ! [ $replace ]; then | |
echo USAGE: $0 PATTERN REPLACEMENT LIST | |
echo EXAMPLE: $0 \""R-\\([a-z]\\+\\)"\" \"\\\$R\\\$-"\1"\" \"\*.tex\" | |
fi | |
for i in $list; do | |
sed 's/'"$pattern"'/'"$replace"'/g' $i > /tmp/tmpfile | |
if [ $(diff $i /tmp/tmpfile| wc -l) -gt 0 ]; then | |
mv /tmp/tmpfile $i | |
fi | |
done |
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