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Drop leading zeros in a variableusing this value to search some registry keys, but the registry keys don't use the leading zeros. So, I'm looking for a way to drop only the leading zeros in my variable. It's always an 8 character value and could contain up to 7 zeros. I can do: set VAR=%VAR:0=% ....but this drops all zeros instead of just the leading zeros. So if my VAR=00110010, I would just want to drop the leading two zeros so my result would be VAR=110010. If my VAR=0000000A, I'd want to drop all 7 leading zeros with an end result of VAR=A. It's also valid to have all zeros for this number, so in that case, I would want to drop all zeros leaving VAR undefined. Any pointers would be greatly appreciated. <jnton***@gmail.com> wrote in message
Show quoteHide quote news:fd5319c6-7c35-4f27-aeac-744700d05c80@t13g2000yqc.googlegroups.com... Not particularly elegant but it works . . .> I'm using a variable that is a random hex number in my batch file. I'm > using this value to search some registry keys, but the registry keys > don't use the leading zeros. So, I'm looking for a way to drop only > the leading zeros in my variable. > > It's always an 8 character value and could contain up to 7 zeros. I > can do: > > set VAR=%VAR:0=% > > ...but this drops all zeros instead of just the leading zeros. So if > my VAR=00110010, I would just want to drop the leading two zeros so my > result would be VAR=110010. If my VAR=0000000A, I'd want to drop all 7 > leading zeros with an end result of VAR=A. > > It's also valid to have all zeros for this number, so in that case, I > would want to drop all zeros leaving VAR undefined. > > Any pointers would be greatly appreciated. @echo off set x=0000012345 :Loop set x= %x: 0=%if [%x:~0,2%]==[ 0] goto Loop set x=%x:~1% echo x=%x%
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"Pegasus (MVP)" <I.***@fly.com.oz> wrote in message Here's another inelegant solution:news:%23oezs7fjJHA.1388@TK2MSFTNGP06.phx.gbl... > > <jnton***@gmail.com> wrote in message > news:fd5319c6-7c35-4f27-aeac-744700d05c80@t13g2000yqc.googlegroups.com... >> I'm using a variable that is a random hex number in my batch file. I'm >> using this value to search some registry keys, but the registry keys >> don't use the leading zeros. So, I'm looking for a way to drop only >> the leading zeros in my variable. >> >> It's always an 8 character value and could contain up to 7 zeros. I >> can do: >> >> set VAR=%VAR:0=% >> >> ...but this drops all zeros instead of just the leading zeros. So if >> my VAR=00110010, I would just want to drop the leading two zeros so my >> result would be VAR=110010. If my VAR=0000000A, I'd want to drop all 7 >> leading zeros with an end result of VAR=A. >> >> It's also valid to have all zeros for this number, so in that case, I >> would want to drop all zeros leaving VAR undefined. >> >> Any pointers would be greatly appreciated. > > Not particularly elegant but it works . . . > @echo off > set x=0000012345 > :Loop > set x= %x: 0=% > if [%x:~0,2%]==[ 0] goto Loop > set x=%x:~1% > echo x=%x% @echo off set _in=00004006 set _out=\%_in% set _out=%_out:\0=\% set _out=%_out:\0=\% set _out=%_out:\0=\% set _out=%_out:\0=\% set _out=%_out:\0=\% set _out=%_out:\0=\% set _out=%_out:\0=\% set _out=%_out:\=% echo/"%_in%" - "%_out%" /Al
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"Al Dunbar" wrote: Or,> > "Pegasus (MVP)" <I.***@fly.com.oz> wrote in message > news:%23oezs7fjJHA.1388@TK2MSFTNGP06.phx.gbl... > > > > <jnton***@gmail.com> wrote in message > > news:fd5319c6-7c35-4f27-aeac-744700d05c80@t13g2000yqc.googlegroups.com... > >> I'm using a variable that is a random hex number in my batch file. I'm > >> using this value to search some registry keys, but the registry keys > >> don't use the leading zeros. So, I'm looking for a way to drop only > >> the leading zeros in my variable. > >> > >> It's always an 8 character value and could contain up to 7 zeros. I > >> can do: > >> > >> set VAR=%VAR:0=% > >> > >> ...but this drops all zeros instead of just the leading zeros. So if > >> my VAR=00110010, I would just want to drop the leading two zeros so my > >> result would be VAR=110010. If my VAR=0000000A, I'd want to drop all 7 > >> leading zeros with an end result of VAR=A. > >> > >> It's also valid to have all zeros for this number, so in that case, I > >> would want to drop all zeros leaving VAR undefined. > >> > >> Any pointers would be greatly appreciated. > > > > Not particularly elegant but it works . . . > > @echo off > > set x=0000012345 > > :Loop > > set x= %x: 0=% > > if [%x:~0,2%]==[ 0] goto Loop > > set x=%x:~1% > > echo x=%x% > > Here's another inelegant solution: > > @echo off > > set _in=00004006 > > set _out=\%_in% > set _out=%_out:\0=\% > set _out=%_out:\0=\% > set _out=%_out:\0=\% > set _out=%_out:\0=\% > set _out=%_out:\0=\% > set _out=%_out:\0=\% > set _out=%_out:\0=\% > set _out=%_out:\=% > echo/"%_in%" - "%_out%" > > /Al > @echo off set "in#=00 00 B 1234050" Set "out#=%in#%" you could replace all spaces here (optional). :TrimLeadingZeros from out# If "%out#:~0,1%"=="0" (Set "out#=%out#:~1%" Goto:TrimLeadingZeros) :: Left Trim If "%out#:~0,1%"==" " (Set "out#=%out#:~1%" Goto:TrimLeadingZeros) echo/%in#% =^> %out#% pause>nul \Rems On Feb 13, 2:25 pm, \RemS <R***@discussions.microsoft.com> wrote:
Show quoteHide quote > "Al Dunbar" wrote: Here's my offering ...> > > "Pegasus (MVP)" <I.***@fly.com.oz> wrote in message > >news:%23oezs7fjJHA.1388@TK2MSFTNGP06.phx.gbl... > > > > <jnton***@gmail.com> wrote in message > > >news:fd5319c6-7c35-4f27-aeac-744700d05c80@t13g2000yqc.googlegroups.com.... > > >> I'm using a variable that is a random hex number in my batch file. I'm > > >> using this value to search some registry keys, but the registry keys > > >> don't use the leading zeros. So, I'm looking for a way to drop only > > >> the leading zeros in my variable. > > > >> It's always an 8 character value and could contain up to 7 zeros. I > > >> can do: > > > >> set VAR=%VAR:0=% > > > >> ...but this drops all zeros instead of just the leading zeros. So if > > >> my VAR=00110010, I would just want to drop the leading two zeros so my > > >> result would be VAR=110010. If my VAR=0000000A, I'd want to drop all 7 > > >> leading zeros with an end result of VAR=A. > > > >> It's also valid to have all zeros for this number, so in that case, I > > >> would want to drop all zeros leaving VAR undefined. > > > >> Any pointers would be greatly appreciated. > > > > Not particularly elegant but it works . . . > > > @echo off > > > set x=0000012345 > > > :Loop > > > set x= %x: 0=% > > > if [%x:~0,2%]==[ 0] goto Loop > > > set x=%x:~1% > > > echo x=%x% > > > Here's another inelegant solution: > > > @echo off > > > set _in=00004006 > > > set _out=\%_in% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\=% > > echo/"%_in%" - "%_out%" > > > /Al > > Or, > > @echo off > > set "in#=00 00 B 1234050" > > Set "out#=%in#%" you could replace all spaces here (optional). > :TrimLeadingZeros from out# > > If "%out#:~0,1%"=="0" ( > Set "out#=%out#:~1%" > Goto:TrimLeadingZeros) > > :: Left Trim > If "%out#:~0,1%"==" " ( > Set "out#=%out#:~1%" > Goto:TrimLeadingZeros) > > echo/%in#% =^> %out#% > > pause>nul > > \Rems @echo off set "x=%~1" :loop if [%x:~0,1%]==[0] (set x=%x:~1% & goto :loop)echo %x% Tom Lavedas ========== "Tom Lavedas" <tglba***@cox.net> wrote in message On Feb 13, 2:25 pm, \RemS <R***@discussions.microsoft.com> wrote:news:cd9b0c9b-da4f-4bd6-9c0d-8dd63087ed94@i38g2000yqd.googlegroups.com... Show quoteHide quote > "Al Dunbar" wrote: Here's my offering ...> > > "Pegasus (MVP)" <I.***@fly.com.oz> wrote in message > >news:%23oezs7fjJHA.1388@TK2MSFTNGP06.phx.gbl... > > > > <jnton***@gmail.com> wrote in message > > >news:fd5319c6-7c35-4f27-aeac-744700d05c80@t13g2000yqc.googlegroups.com... > > >> I'm using a variable that is a random hex number in my batch file. > > >> I'm > > >> using this value to search some registry keys, but the registry keys > > >> don't use the leading zeros. So, I'm looking for a way to drop only > > >> the leading zeros in my variable. > > > >> It's always an 8 character value and could contain up to 7 zeros. I > > >> can do: > > > >> set VAR=%VAR:0=% > > > >> ...but this drops all zeros instead of just the leading zeros. So if > > >> my VAR=00110010, I would just want to drop the leading two zeros so > > >> my > > >> result would be VAR=110010. If my VAR=0000000A, I'd want to drop all > > >> 7 > > >> leading zeros with an end result of VAR=A. > > > >> It's also valid to have all zeros for this number, so in that case, I > > >> would want to drop all zeros leaving VAR undefined. > > > >> Any pointers would be greatly appreciated. > > > > Not particularly elegant but it works . . . > > > @echo off > > > set x=0000012345 > > > :Loop > > > set x= %x: 0=% > > > if [%x:~0,2%]==[ 0] goto Loop > > > set x=%x:~1% > > > echo x=%x% > > > Here's another inelegant solution: > > > @echo off > > > set _in=00004006 > > > set _out=\%_in% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\0=\% > > set _out=%_out:\=% > > echo/"%_in%" - "%_out%" > > > /Al > > Or, > > @echo off > > set "in#=00 00 B 1234050" > > Set "out#=%in#%" you could replace all spaces here (optional). > :TrimLeadingZeros from out# > > If "%out#:~0,1%"=="0" ( > Set "out#=%out#:~1%" > Goto:TrimLeadingZeros) > > :: Left Trim > If "%out#:~0,1%"==" " ( > Set "out#=%out#:~1%" > Goto:TrimLeadingZeros) > > echo/%in#% =^> %out#% > > pause>nul > > \Rems @echo off set "x=%~1" :loop if [%x:~0,1%]==[0] (set x=%x:~1% & goto :loop)echo %x% Tom Lavedas ========== ==> and the award for the simplest and most straightforward solution goes to... /Al  
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