Nested loop in batch, splitting string and then splitting each token

Question

My ultimate goal is to take a string like "a.b;c.d;e.f.g" and perform an operation on each token delimited by ';', which includes a for loop that separately processes each subtoken delimited by '.'

I have split the origin input like so:

FOR %%i IN (%input%) DO (
  ECHO %%i
)

This seems to work but now I can't use the :.=; syntax to get %%i ready to be split again. I have tried SET iVar=%%i to then be able to use this syntax but the SET doesn't work, iVar remains empty. I do have EnableDelayedExpansion set.

To clarify, if loop variables were just normal variables in batch my final script would be something like this:

FOR %i% IN (%input%) DO (
  ECHO %i%
  FOR %j% in (!i:.=;!) DO (
    ECHO %j%
  )
)

and the output would be

a.b
a
b
c.d
c
d
e.f.g
e
f
g

SachaDee · Accepted Answer · 2014-11-05 01:02:48Z

1

Try like this :

@echo off
setlocal enabledelayedexpansion
set "$input=a.b;c.d;e.f.g"
for %%a in (%$input%) do (
   echo %%a
   set "$int=%%a"
   set "$int=!$int:.= !"
   for %%b in (!$int!) do echo %%b)

answered Nov 5, 2014 at 1:02

SachaDee

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1 Comment

joejohn Over a year ago

Thank you! I think I actually was trying this solution earlier but thought set $int=%%a wasn't working because I was using % instead of ! later on.

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