Using batch scripting, how will I find whether a given file is present in every folder?

Question

I have a root folder "Basic" which has child folders "1", "2" and "3". "1" has sub-folders "11", "12" and "text.txt". Similarly "2" has sub-folders "22", "21" and "text.txt". "3" has "31" and "32".

I need a batch file program to find whether "text.txt" is present in each folder. If it isn't present in a particular root folder "Basic", I want to write the child folder's name in missingfile.txt.

Here is my account - It doesn't work.

set value = ""
set exact = ""
cd "C:\Users\bthirumurthy\Desktop\Basic"
dir  "C:\Users\bthirumurthy\Desktop\Basic" /b >> text.txt
for %%a in (text.txt) do (
  if (%%a|="text.txt") (
    dir  C:\Users\bthirumurthy\Desktop\Basic\%%a /b >> C:\Users\bthirumurthy\Desktop\Basic\%%a\result.txt
    for %%b in (result.txt) do (
      if(%%b == "text.txt") (
        set exact = %%b
        set status = 1
      )
      else (
        set missingfile =%%b
        set status = 0
      )
    )
    if (%status% == 1) (
      echo %exact% pass >> pass.txt
    )
    else (
      echo %exact% fail >> Missingfile.txt
    )
    set status = ""
  )
)>>output.txt

Can you please help me out?

dbenham · Accepted Answer · 2012-12-26 01:13:27Z

I haven't taken the time to figure out where your script is going wrong. But a simple one-liner from the command line is all that is needed. No need for batch:

>missingFile.txt (for /r "C:\Users\bthirumurthy\Desktop\Basic" %F in (.) do @if not exist "%F\test.txt" echo %~fF)

Double up all percents if run from within a batch script. (% becomes %%)

Basically, this one-liner traverses the directory tree starting from the specified root directory (the for /d /r loop). For every subdirectory, it checks if the specified file exists in it (or, rather, if it doesn't exist there: if not exist ...). If the file doesn't exist, the corresponding subdirectory's full path is logged into missingfile.txt. Actually, the path is simply echoed (echo %~fF), but the entire loop's output has been redirected (the >missingFile.txt at the beginning of the line), so, as a result, echo writes to the file.

EDIT - a slightly simpler variation

>missingFile.txt (for /r "C:\Users\bthirumurthy\Desktop\Basic" %F in (test.txt) do @if not exist "%F" echo %~dpF)

The FOR /R loop doesn't check if the file exists unless there is a wildcard in the IN() clause. Without a wildcard it simply walks the directory tree and builds a path with the file name in each directory.

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