shaoyanji

#!/usr/bin/env luajit
-- Handle command-line arguments
local args = {...}
for i, v in ipairs(args) do
--  print("Argument " .. i .. ": " .. v)
end
-- Handle piped input
--local piped_input = io.stdin:read("*a")
--if piped_input and piped_input ~= "" then
--  print("Received piped input:", piped_input)

shaoyanji

#!/usr/bin/env bash
find . -depth -name '* *' | while read fname; do
    new_fname=$(echo $fname | tr " " "_")

    if [ -e $new_fname ]; then
        echo "File $new_fname already exists. Not replacing $fname"
    else
        echo "Creating new file $new_fname to replace $fname"
        mv "$fname" $new_fname
    fi