git.scottworley.com Git - picsort/blob - rename-to-date

   1 #!/usr/bin/env bash
   2 set -euo pipefail
   3 mv_command=mv
   4 skip_duplicates=true
   5 while getopts l opt;do
   6  case $opt in
   7   l)    mv_command=ln;;
   8  esac
   9 done
  10 shift "$((OPTIND - 1))"
  11
  12 for f; do
  13   if [[ ! -e "$f" ]];then
  14     echo "Input file \"$f\" does not exist." >&2
  15     continue
  16   fi
  17   extension=${f##*.}
  18   new_name="$(find "$f" -printf "%TY-%Tm-%Td %TT %TZ").$extension"
  19   while [[ -e "$new_name" ]];do
  20     if $skip_duplicates;then
  21       if [[ "$(find "$f" -printf '%i')" == "$(find "$new_name" -printf '%i')" ]];then
  22         echo "Skipping $f: it is already $new_name (same inode)"
  23       fi
  24       if cmp "$f" "$new_name";then
  25         echo "Skipping $f: it is already $new_name"
  26         continue 2
  27       fi
  28     fi
  29     fields=( $new_name )
  30     t=${fields[1]#*.}
  31     if (( ${#t} != 10 ));then
  32       echo "Expected $t (from $new_name) to be 10 characters" >&2
  33       exit 1
  34     fi
  35     t=$(printf "%010d" $(( $(sed 's/^0*//' <<< "$t") + 1 )) )
  36     new_name="${fields[0]} ${fields[1]%.*}.$t ${fields[2]}"
  37   done
  38   $mv_command -vi "$f" "$new_name"
  39 done
  40