How to change an image tag url in multiple html files using batch script? -

there more 10 html files image tags. every time deploy our build onto test site need change img source. eg <img src=/live/content/xyz.png />
<img src=/test/content/xyz.png />.
after looking around , reading sometime, have come following batch script, cant figure out how go further here :

for /r %%i in (*.html) echo %%i     %%f in (*.html) (  /f %%l in (%%f) (   set "line=%%l"   setlocal enabledelayedexpansion    set "x=     <--------------------what set here?   echo %x%   endlocal  )) pause     

this first batch script, please guide me in right direction?

@echo off setlocal enabledelayedexpansion /r u:\ %%i in (*.html) (  echo found %%i      set outfile="%%~dpni.lmth"  (   setlocal disabledelayedexpansion   /f "usebackq delims=" %%l in ("%%i") (    set "line=%%l"    setlocal enabledelayedexpansion     set "line=!line:/live/=/test/!    echo !line!    endlocal     )   endlocal    )>!outfile! ) pause goto :eof 

how development?

notes: i've modified for/r echo html file being processed , use %%i rather switching %%f. u: ramdrive; you'd need modify suit.

outfile set generate filename matches html filename, .lmth extension (can't update in-place) - gets ~dpn prefixing i, means drive, path , name of file %%i. it's quoted take care of potential spaces in filename or pathname.

the next logical statement (for /f...[lines] )>!outfile! sends echoed text new file !outfile!. enabledelayedexpansion in second physical line of batch makes !outfile! run-time value - changed within for r outer loop.

since actual html filename in %%i may contain spaces, needs quoted, hence 'usebackq' clause in for/f. delims= clause ensures entire line file "%%i" applied %%l - not first token (well, actually, makes entire line first token).

the set command substitutes string "/test/" occurrence of "/live/" in run-time value of variable lineand assigns result line. resultant value echod - redirected outfile

note in original, assigning x in set x= echo %x% have reproduced x stood when line parsed because batch substitutes value of variable %var% part of parsing phase. consequently, line have become echo (since x unassigned) , bizarrely have reported echo state (echo off)

a couple of gatchas here. first, % , other characters notoriously hard process batch, careful. next, for/f bypass empty lines. can overcome if required. third, replace occurrence of /live/ in case /test/

good luck!

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edit support exclamation marks: 20130711t0624z

added setlocal enabledelayedexpansion line , endlocal before )>!outfile! match