Issues & improvements Race conditions: the check for writability then mv is not fully atomic — another process could create/remove/change the target between the test and mv. Permissions and ownership: mv will preserve contents but the resulting file may have the temp file's permissions/ownership (mktemp default). Signal safety: if interrupted (SIGINT, SIGTERM) the temp file may remain. Portability: uses bash-compatible constructs but relies on mktemp and -a (POSIX [ -a ] is obsolete; better to use -e). Better error messages and exit status handling. Allow optional mode to write to stdout when no filename given. Support setting desired file mode (umask or chmod) and preserve atomic replace semantics. Enhanced version Uses safer existence test ([ -e ] not deprecated -a). Installs traps to clean up temp file on exit/signals. Preserves mode of the existing file (if it exists) or allows a chmod option. Attempts a safer atomic replace: write to temp in same directory as target when a filename is supplied (reduces window for cross-filesystem mv failure and preserves atomicity). If no filename given, writes temp contents to stdout. Returns non-zero on failure and prints concise errors to stderr.

In my job I often have to deal with moving 100,000 files or more. A mv won't do it because there are too many. This will move everything in the current directory to the target path.

rename is a great command, but can't get it to work on mac.

since Mozai said that JSON is a subset of YAML ;)

Thanks to the great grml team for this func! You really should look at their shell configs for further usefull things! http://git.grml.org/?p=grml-etc-core.git;a=blob_plain;f=etc/grml/script-functions;h=4d6bcea8f9beae83abd08f44155d299ea54a4a9f;hb=HEAD # {{{ check for availability of program(s) # usage example: # check4progs [-s,-q,--quiet,--silent] arg [arg .... argn] # # with option given either of: # -s,-q,--quiet,--silent # # check for available progs but produce no output check4progs() { [ -n "${ZSH_VERSION}" ] && emulate -L sh local RTN=0 local oldifs="${IFS}" local ARG d found local VERBOSE=1 case ${1} in -q | -s | --quiet | --silent) VERBOSE=0 shift 1 ;; *) ;; esac while [ $# -gt 0 ] do ARG="$1" shift found=0 IFS=: for d in $PATH do if [ -x "${d}/${ARG}" ] then found=1 break fi done IFS="${oldifs}" # check for availability if [ ${found} -eq 0 ] then if [ ${VERBOSE} -eq 1 ] then printf "%s: binary not found\n" "${ARG}" >&2 fi RTN=1 fi done # return non zero, if at least one prog is missing! return $RTN } # }}} Show Sample Output

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This is useful if you have a collection of files in folders (for example, a bunch of .zip files that are contained in folders) and you want to move them all to a common folder.

Takes filenames and directory names and replace space to '_'.

mkdir some file and mv some file Show Sample Output