UNIX for Dummies Questions & Answers

043 fflshju
923- osfjpojfsa
1 - oasfns.txt

fflshiu
osfipojfsa
oasfns.txt

perl -e'
  for (glob "[0-9-]*") {
    ($fn = $_) =~ s/^[\s\d-]+//;
    rename $_, $fn unless -f $fn
    }'

for f in +([ 0-9-])*; do
  [ -f "${f##+([ 0-9-])}" ] || 
    mv -- "$f" "${f##+([ 0-9-])}"
done

shopt -s extglob
for f in +([ 0-9-])*; do
  [ -f "${f##+([ 0-9-])}" ] || 
    mv -- "$f" "${f##+([ 0-9-])}"
done

setopt extendedglob
for f in ([ 0-9-])##*; do
  [ -f "${f##([ 0-9-])##}" ] ||
    mv -- "$f" "${f##([ 0-9-])##}"
done