@echo off
set fx=*.txt
set "sx=指定字符串"
for /f "delims=" %%i in ('dir/b %fx%')do (
echo %%i
set "n="
for /f "delims=:" %%j in ('findstr/nc:"%sx%" "%%i"')do set/a n=%%j
if defined n (
call more +%%n%% "%%i">temp.yky
move temp.yky "%%i")
)
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