From: guy@guysalias.tk.invalid   
      
   foxidrive wrote:   
      
   > On 26/01/2016 00:08, Jean-Pierre Coulon wrote:   
   >   
   >> FOR /L %%A IN (1001,1,1200) DO call: routine %%A   
   >   
   >> I obtain the message at each line: call: routine    
   >> can't find this file name.   
   >   
   > I had the space after the : and it should have been before it.   
   >   
   > Try this:   
   >   
   > @echo off   
   > FOR /L %%A IN (1001,1,1200) DO call :routine %%A   
   > goto :eof   
   > :routine   
   > set num=%1   
   > set num=%num:~-3%   
   > convert p%num%.jpg > p%num%.gif   
   >   
      
      
   Also, in the OP there was not redirect between jpg and gif.   
      
     convert p%num%.jpg p%num%.gif   
      
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