diff options
Diffstat (limited to 'examples')
| -rwxr-xr-x | examples/rifle_sxiv.sh | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/examples/rifle_sxiv.sh b/examples/rifle_sxiv.sh index 0bdd892d..866dd730 100755 --- a/examples/rifle_sxiv.sh +++ b/examples/rifle_sxiv.sh @@ -11,7 +11,7 @@ # mime ^image, has sxiv, X, flag f = path/to/this/script -- "$@" # # Implementation notes: this script is quite slow because of POSIX limitations -# and portability concerns. First calling the shell function 'abspath' is +# and portability concerns. First, using case statement to get absolute path is # quicker than calling 'realpath' because it would fork a whole process, which # is slow. Second, we need to append a file list to sxiv, which can only be done # properly in two ways: arrays (which are not POSIX) or \0 sperated @@ -19,26 +19,18 @@ # not work in dash and others), so we cannot store the result of listfiles to a # variable. -if [ $# -eq 0 ]; then - echo "Usage: ${0##*/} PICTURES" - exit -fi - -[ "$1" = '--' ] && shift - -abspath () { - case "$1" in - /*) printf "%s\n" "$1";; - *) printf "%s\n" "$PWD/$1";; - esac -} - listfiles () { - find -L "$(dirname "$target")" -maxdepth 1 -type f -iregex \ + find -L "${target%/*}" -maxdepth 1 -type f -iregex \ '.*\(jpe?g\|bmp\|png\|gif\)$' -print0 | sort -z } -target="$(abspath "$1")" +[ "$1" = '--' ] && shift +case "$1" in + "") echo "Usage: ${0##*/} PICTURES" >/dev/stderr && exit ;; + /*) target="$1" ;; + *) target="$PWD/$1" ;; +esac + count="$(listfiles | grep -m 1 -ZznF "$target" | cut -d: -f1)" if [ -n "$count" ]; then |