Posted: 9/6/2021 5:59 PM
Post subject: Drag'n'drop hash report script
Quote
feos
Site Admin, Skilled player (1251)
Joined: 4/17/2010
Posts: 11475
Location: Lake Char­gogg­a­gogg­man­chaugg­a­gogg­chau­bun­a­gung­a­maugg
NES TAS of 2011
Verifying the hell out of http://tasvideos.org/EmulatorResources/PCem/DOS/Configurations.html almost drove me crazy with how many md5 hashes I had to check. Even more to come now that we accept llibTAS+PCem submissions. So I needed some incredibly quick way to know a hash of some file, or of all files in a folder. Drag'n'drop feels like the quickest way. Unfortunately, lubuntu doesn't let you drag'n'drop onto scripts, but you can make a script launch a terminal and repeatedly accept your drag'n'drops, printing stuff. So here's a script that you usually run on Linux, because it's a Shell script. But if you are on Windows and you associate this file with your mingw64.exe or whatever you're using, double-clicking on the script will launch you a nice md5-drag-n-drop terminal! Supports paths with spaces and nested folders. Props to mjbudd77 and F. Hauri. Download md5.sh
Language: shell
#!/bin/bash
echo -ne "\033]0;Drag & drop file or folder\007"
while IFS=$'\t\r\n' read -d '' -rsn 1 str && [ "$str" ]; do
    while IFS= read -d '' -rsn 1 -t .02 char; do
    	str+="$char"
    done
    if [ "$str" ]; then
        find "$str" -type f -exec md5sum {} \;
    fi
done
Suggest improvements!
Warning: When making decisions, I try to collect as much data as possible before actually deciding. I try to abstract away and see the principles behind real world events and people's opinions. I try to generalize them and turn into something clear and reusable. I hate depending on unpredictable and having to make lottery guesses. Any problem can be solved by systems thinking and acting.
Posted: 9/7/2021 6:10 AM
Quote
Dacicus
Editor, Player (69)
Joined: 6/22/2005
Posts: 1050
I've made a Windows batch script with similar functionality. It uses the CertUtil command-line program that is included with Windows (at least Win7 and later). The lines containing pause are necessary in order to prevent the window from closing if you're using drag-and-drop. Unfortunately, this means that you'll need to press a key to terminate the script if you run it from the command prompt and redirect the output (e.g., to a file). Download hash_dir.bat
Language: batch
@echo off
setlocal enableextensions

if [%1]==[] goto synerr
if not exist %1 goto nofile

call :isdir %~a1

if [%_is_dir%]==[F] call :procfile "%~f1"
if [%_is_dir%]==[T] call :procdir "%~f1"
goto:eof

:synerr
echo.
echo Calculates MD5 hash for the input file(s) using Windows's CertUtil command.
echo.
echo USAGE: %~nx0  ^<input^>
echo   ^<input^>    File or directory for which to generate hashes.  If directory,
echo              processes all contained files and subdirectories.
echo.
goto:eof

:nofile
echo.
echo ERROR: %1 does not exist.
goto:eof

:isdir
set _is_dir=
set _attr=%1
if [%_attr:~0,1%]==[d] (
  set _is_dir=T
) else (
  set _is_dir=F
)
goto:eof

:procfile
set _hash=
set _fname="%~f1"
set _fname=%_fname:^^=^%
for /f "delims=" %%A in ('CertUtil -hashfile %_fname% MD5 ^| find /i /v "md5" ^| find /i /v "certutil"') do set "_hash=%%A"
echo %_hash: =%  %_fname%
if [%_is_dir%]==[F] pause
goto:eof

:procdir
for /f "delims=" %%A in ('dir /a-d /b /s "%~f1"') do call :procfile "%%~fA"
pause
goto:eof
Current Projects: TAS: Wizards & Warriors III.
Posted: 10/8/2021 7:48 PM
Quote
feos
Site Admin, Skilled player (1251)
Joined: 4/17/2010
Posts: 11475
Location: Lake Char­gogg­a­gogg­man­chaugg­a­gogg­chau­bun­a­gung­a­maugg
NES TAS of 2011
In my script I noticed that if you drop a file or a folder that has a space in its name, when running from mingw/msys2 it will say 
find: ‘'/e/Users/feos/Desktop/thunderaxe31-gameboycamera_gambatte 2.bk2'’: No such file or directory
even tho the find command works if I supply it this path directly. Linux doesn't have this problem, nor does Dacicus's script (which prints =_fname is it's a link file).
Warning: When making decisions, I try to collect as much data as possible before actually deciding. I try to abstract away and see the principles behind real world events and people's opinions. I try to generalize them and turn into something clear and reusable. I hate depending on unpredictable and having to make lottery guesses. Any problem can be solved by systems thinking and acting.
Posted: 11/28/2022 8:30 PM
(Edited: 8/19/2023 4:18 PM)
Quote
feos
Site Admin, Skilled player (1251)
Joined: 4/17/2010
Posts: 11475
Location: Lake Char­gogg­a­gogg­man­chaugg­a­gogg­chau­bun­a­gung­a­maugg
NES TAS of 2011
Figured it out (thanks YoshiRulz for ideas) Download sha1sum.sh
Language: shell
#!/bin/bash
echo -ne "\033]0;Drag & drop file or folder\007"
prefix="'"
suffix="' "
while IFS=$'\t\r\n' read -d '' -rsn 1 str && [ "$str" ]; do
    while IFS= read -d '' -rsn 1 -t .02 char; do
        str+="$char"
    done
    if [ "$str" ]; then
        # in case your temrinal adds funny symbols on drag'n'drop
        #str="$(expr "$str" : "$prefix\(.*\)$suffix")"
        # or
        #str="$(printf "%s" "$str" | sed -e "s/^$prefix//" -e "s/$suffix//")"
        find "${str##*/}" -type f -exec sha1sum {} \;
    fi
done
Warning: When making decisions, I try to collect as much data as possible before actually deciding. I try to abstract away and see the principles behind real world events and people's opinions. I try to generalize them and turn into something clear and reusable. I hate depending on unpredictable and having to make lottery guesses. Any problem can be solved by systems thinking and acting.