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String manipulation in DOS (Batch)

Posted on 2006-11-02
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Last Modified: 2012-06-22
Sample data I have to work with:

   abcd123, Joe Bloggs logging on to PC25 DOMAIN on <IP> on Thursday, November 2, 2006

What I want the output to look like:

   Joe Bloggs - Thursday, November 2, 2006

This is the code I have at the moment (%* is input data):

   set X=%*
   set X=%X: on =      %
   set X=%X: logging=      %
   for /f "tokens=1,4 delims=      " %%i in ("%X%") do echo %%i - %%j

This is what my output then looks like:

   abcd123, Joe Bloggs - Thursday, November 2, 2006

My question is, I can't work out how to get rid of the substring "abcd123, ".

Thanks,
Steve :)
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Question by:sda100
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3 Comments
 
LVL 30

Accepted Solution

by:
callrs earned 1000 total points
ID: 17857574
:: replace/extract tokens from string
@echo off
setlocal
set X=abcd123, Joe Bloggs logging on to PC25 DOMAIN on 192.168.2.1 on Thursday, November 2, 2006
for /f "tokens=2,3,12,13,14,15 delims= " %%i in ('echo %X%') do echo %%i %%j - %%k %%l %%m, %%n
set X=%X: on =     %
set X=%X: logging=     %
for /f "tokens=2,3,8,9,10,11 delims= " %%i in ('echo %X%') do echo %%i %%j - %%k %%l %%m, %%n
goto :eof
0
 
LVL 30

Assisted Solution

by:SteveGTR
SteveGTR earned 1000 total points
ID: 17857764
Here's another possible solution:

@echo off

setlocal

call :PROCESS abcd123, Joe Bloggs logging on to PC25 DOMAIN on 0.0.0.0 on Thursday, November 2, 2006

goto :EOF

:PROCESS

set name=%2 %3

for /l %%a in (1, 1, 6) do shift

echo %name% - %6, %7 %8, %9

Good Luck,
Steve
0
 
LVL 9

Author Comment

by:sda100
ID: 17865245
Both the above solutions work on the premise of a fixed number of tokens, which I can't guarantee.  However, you gave me ideas for the solution, so I will share the points - thank you.  If you're interested, here is the part of my code that achieves what I want:

if "%*"=="" goto :eof
set X= %*
set X=%X: on =      %
set X=%X: logging=      %
for /f "tokens=4 delims=      " %%i in ("%X%") do set Y=%%i
set Y=%Y:~0,-12%
for /f "tokens=1 delims=      " %%i in ("%X%") do set X=%%i
:logformat_loop
set X=%X:~1%
echo %X% | find "," > nul
if not errorlevel 1 goto logformat_loop
set X=%X:~1%


Steve :)
0

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