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|
#!/bin/bash
ruby="$1"
target_dir="$2"
for f in `find "$target_dir" -type f 2>/dev/null`
do
textflag=0
filetype="`file -b $f`"
for ft in $filetype
do
if [ "${#ft}" -lt 4 ]
then
continue
fi
if [ "${ft:0:4}" == "text" ]
then
textflag=1
break
fi
done
if [ "$textflag" -eq 0 ]
then
continue
fi
cp -pf $f $f.tmp
sed -e '1,1s,^#![ ]*\([^ ]*\)/\(ruby\|env ruby\)$,#!/usr/bin/'$ruby',' \
-e '1,1s,^#![ ]*\([^ ]*\)/\(wish\|perl\)$,#!/usr/bin/\2,' < $f > $f.tmp
if ! cmp $f $f.tmp >/dev/null
then
mv -f $f.tmp $f
else
rm -f $f.tmp
fi
done
|
