
CODE: [Copy to clipboard]cmd 代码@echo off
sed "/^ *$/{:loop;N;s/^ *\n *$//;t loop}" a.txt | more
pause
CODE: [Copy to clipboard]@echo off&setlocal enabledelayedexpansion
for /f "tokens=1* delims=:" %%a in ('findstr /n .* a.txt') do (
if not "%%b"=="" (
!flag!
echo %%b&set "flag="
) else set "flag=echo."
)
pause
CODE: [Copy to clipboard]学习了sed "/^ *$/{:loop;N;s/^ *\n *$//;t loop}" a.txt
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