list-glob.sh

Shall高级编程

#!/bin/bash
# list-glob.sh: Generating [list] in a for-loop, using "globbing"

echo

for file in *
#           ^  Bash performs filename expansion
#+             on expressions that globbing recognizes.
do
  ls -l "$file"  # Lists all files in $PWD (current directory).
  #  Recall that the wild card character "*" matches every filename,
  #+ however, in "globbing," it doesn't match dot-files.

  #  If the pattern matches no file, it is expanded to itself.
  #  To prevent this, set the nullglob option
  #+   (shopt -s nullglob).
  #  Thanks, S.C.
done

echo; echo

for file in [jx]*
do
  rm -f $file    # Removes only files beginning with "j" or "x" in $PWD.
  echo "Removed file \"$file\"".
done

echo

exit 0