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bash sanitize string into filename

steamboatid answered on June 6, 2024 Popularity 1/10 Helpfulness 8/10

answer bash sanitize string into filename

bash sanitize string into filename

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#!/bin/bash

# https://stackoverflow.com/a/44811468/485063
_sanitize1() {
	local s="${1?need a string}" # receive input in first argument
	s="${s//[^[:alnum:]]/-}"     # replace all non-alnum characters to -
	s="${s//+(-)/-}"             # convert multiple - to single -
	s="${s/#-}"                  # remove - from start
	s="${s/%-}"                  # remove - from end
	echo "${s,,}"                # convert to lowercase
}

# https://serverfault.com/questions/348482/how-to-remove-invalid-characters-from-filenames
# https://stackoverflow.com/questions/43511508/bash-sanitize-file-name-function
_sanitize2() {
	echo -n $1 |\
		uconv -x 'Any-Latin;Latin-ASCII' |\
		perl -pe 's/[\?\[\]\/\\=<>:;,''"&\$#*()|~`!{}%+]//g;' -pe 's/[\r\n\t -]+/-/g;' |\
		sed -e 's/[^A-Za-z0-9.-]/-/g' -e 's/^-//' |\
		sed -e 's/[\\/:\*\?"<>\|\x01-\x1F\x7F]//g' -e 's/^\(nul\|prn\|con\|lpt[0-9]\|com[0-9]\|aux\)\(\.\|$\)//i' -e 's/^\.*$//' -e 's/^$/NONAME/'
}

sanitize(){
	_sanitize2 $(_sanitize1 "$1")
}


filename="Wh00t? it's a -- re@lly-weird {file&name} (with + Plus and__1% #of# [\$qRots\$!]).mov"

cleaned=$(_sanitize2 "$filename")
cleaned2=$(sanitize "$filename")

echo original : "$filename"
echo sanitised: "$cleaned"
echo sanitised: "$cleaned2"

Popularity 1/10 Helpfulness 8/10 Language shell

Source: stackoverflow.com

Tags: bash sanitize shell string

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Contributed on Jun 06 2024

steamboatid

0 Answers Avg Quality 2/10

bash sanitize string into filename

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