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#!/bin/sh
help() {
cat << EOF
${0}: Replace all the spaces in file and directory
names with "_" in in the current directory.
options:
-h Print this message and exit
EOF
}
if [ ${#} -gt 0 ]; then
[ ${#} = 1 ] && [ "${1}" = "-h" ] && help && exit 0
printf "%s: Invalid usage\nTry '%s -h' for help.\n" "${0}" "${0}"
exit 1
fi
for file in ./*; do
newfile=$(echo "${file}" | tr ' ' '_')
[ "${newfile}" != "${file}" ] && mv -v "${file}" "${newfile}"
done
exit 0
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