do-batch-with-cmd

#!/bin/bash -e
#
# Does a batch with a cmd passed on the command line.

script_dir="$( cd "$(dirname "${BASH_SOURCE[0]}" )" && pwd)"
target_cmd="$@"
#shift

charms=$(cd $script_dir/charms && ls -d1 *)

echo "Running '$target_cmd':"

for charm in $charms; do
    echo "Looking at: $charm"
    (
        cd $script_dir/charms/$charm
        #$script_dir/$target_cmd
        $target_cmd
    )
done