Greg
66 lines
2.4 KiB
Batchfile
66 lines
2.4 KiB
Batchfile
@echo off
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REM you need this to set and read a variable inside
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REM a parethetical structure such as a FOR loop
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setlocal enabledelayedexpansion
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REM This is the file we are going to alter
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set filepath=%1
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set filename=%~n1%~x1
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REM Use temp file
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REM delete if already exists
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REM so we can use append operator for all output
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if exist "%filepath%.temp" del "%filepath%.temp"
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REM For each line in the file...
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REM ...using FOR alone to parse the file skips blank lines so we...
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REM ...parse the output (note single quotes) of...
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REM running TYPE on the file and piping the output through FINDSTR...
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REM ...with the /n switch (this adds a line number and a colon at the start of each line)
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REM the FINDSTR search string is ".*" (find any characters including cr/lf)
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REM Split into 2* tokens, the asterisk means %%R is the entire remainder of the line
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REM delimiter being the colon thus...
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REM The number is token 1, %%Q (discarded, along with the colon)
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REM The original source file line is token 2, %%R
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REM note we escape the pipe character with a caret ^ in the FOR dataset block
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for /f "tokens=1,2* delims=:" %%Q in ('type "%filepath%" ^| findstr /n ".*"') do (
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REM if token 2 is null then the line is blank so we echo a blank line to the temp output file
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if "%%R"=="" echo. >> "%filepath%.temp"
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REM This flag gets set to 1 if we have a line that needs changing
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set incflag=0
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REM Split the line into 3 tokens with white space the delimiter
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for /f "tokens=1-3 delims= " %%A in ("%%R") do (
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REM test if an increment needs to happen and set the flag if it does
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if "%%B"==%2 set incflag=1
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REM %%C is the number
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REM If the line contains a number to increment...
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if !incflag! equ 1 (
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REM do it...
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set /a num=%%C+1
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REM info msg to console
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echo Incrementing %%B from %%C to !num!
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REM write the altered line to file
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echo %%A %%B !num! >>"%filepath%.temp"
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REM the line is a nonblank one that simply needs copying
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) else (
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echo %%R >> "%filepath%.temp"
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REM Match those parentheses!
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)
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)
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)
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REM delete original file
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del "%filepath%"
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REM rename temp file to original file name
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ren "%filepath%.temp" "%filename%" |