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Multiple commands inside a DO LOOP

Posted on 2004-10-04
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I'm trying to write a batch file that writes another file that is based on two things: 1) A list of files 2) a Count

I want the batch file to list files of a certain type (.jpg in this intsnace) and then write those files to a temporary file. Then, line by line, read in those file names and write them to another file with an incremented number.

ie.

Batch start

dir *.jpg /b > files.txt  
                       - Writes a list of jpg files to files .txt

for /F "DELIMS=" %%F IN (files.txt) DO (Echo %%F %count >> %1.txt)
                       - Writes a line to my file (given by %1) containing a file name (from DIR command earlier) and  a count.

I can't see how to facilitate a "Count" variable in this DO loop as I don't know how to do multiple commends inside the paraentheses.

I guess I need to use "SET /A COUNT=COUNT+1", but I can't see where or how as I only seem to be able to do one thing in the DO() bit.

Thanks, flaxius
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Question by:flaxius
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2 Comments
 
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Accepted Solution

by:
SteveGTR earned 500 total points
ID: 12217237
Give this a try:

@echo off

setlocal enabledelayedexpansion

dir *.jpg /b > files.txt  

set count=0

for /F "DELIMS=" %%F IN (files.txt) DO (
  set /a count+=1
  Echo %%F !count! >> %1.txt
)

The key to getting this working is the enabledelayedexpansion and the use of the exclamation (!) around the environment variable in the do loop. Check out setlocal /? for more information.

Good Luck,
Steve
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Author Comment

by:flaxius
ID: 12217653
Thanks Steve, just the job!!
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