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| [[Anchor(faq20)]] == How can I find and deal with file names containing newlines, spaces or both? == The preferred method is still to use [:UsingFind:find(1)]: {{{ find ... -exec command {} \; }}} or, if you need to handle filenames ''en masse'', with GNU and recent BSD tools: {{{ find ... -print0 | xargs -0 command }}} or with POSIX {{{find}}}: {{{ find ... -exec command {} + }}} Use that unless you really can't. Another way to deal with files with spaces in their names is to use the shell's filename expansion (["globbing"]). This has the disadvantage of not working recursively (except with zsh's extensions), but if you just need to process all the files in a single directory, it works fantastically well. This example changes all the *.mp3 files in the current directory to use underscores in their names instead of spaces. It uses [:BashFAQ/073:Parameter Expansions] that will not work in the original BourneShell, but should be good in Korn and Bash. {{{ for file in *.mp3; do mv "$file" "${file// /_}" done }}} You could do the same thing for all files (regardless of extension) by using {{{ for file in *\ *; do }}} instead of *.mp3. Another way to handle filenames recursively involes using the {{{-print0}}} option of {{{find}}} (a GNU/BSD extension), together with bash's {{{-d}}} option for read: {{{ unset a i while read -d $'\0' file; do a[i++]="$file" # or however you want to process each file done < <(find /tmp -type f -print0) }}} The preceding example reads all the files under /tmp (recursively) into an array, even if they have newlines or other whitespace in their names, by forcing {{{read}}} to use the NUL byte (\0) as its word delimiter. Since NUL is not a valid byte in Unix filenames, this is the safest approach besides using {{{find -exec}}}. |
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