new command: latest

1 files changed, 25 insertions, 0 deletions

diff --git a/dot/local/bin/latest b/dot/local/bin/latest
new file mode 100755
index 0000000..e475c1b
--- /dev/null
+++ b/dot/local/bin/latest
@@ -0,0 +1,25 @@
+#!/bin/sh
+usage()
+{
+    cat <<EOF
+Usage: $0 [directory] [...]
+
+Print the filename of the newest file.
+
+Searches the directories specified on the command line,
+or else the current directory if none specified.
+EOF
+}
+
+case $# in
+    0) set -- . ;;
+    1) if [ "$1" = --usage ]; then usage; exit 0; fi ;;
+esac
+
+extract()
+{
+    sort -z -n -k1,1 -r | head -z -n 1 | xargs -0 printf '%s\n' | cut -d' ' -f2
+}
+
+find "$@" -maxdepth 1 -name '.*' -o \( -type f -printf "%C@ %h/%f\0" \) | extract
+