22 lines
672 B
Batchfile
22 lines
672 B
Batchfile
@echo off
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setlocal enabledelayedexpansion
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(set lf=^
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)
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(set stack=
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set stack.push=set "stack=#^!lf^!^!stack^!"
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set stack.pop=for %%l in ("^!lf^!"^) do set "stack=^!stack:*%%~l=^!"
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set stack.empty=(call;^&if defined stack call^)
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set stack.top=echo:^^!stack^^! ^| (set /p _=^& call echo:%%_%%^))
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:: ^ stack.top : https://stackoverflow.com/a/14965458
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%stack.push:#=1%
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%stack.push:#=2%
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%stack.top%
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for %%l in ("!lf!") do echo:"!stack:%%~l= !"
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%stack.pop%
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for %%l in ("!lf!") do echo:"!stack:%%~l= !"
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%stack.empty% && echo empty: true || echo empty: false
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%stack.pop%
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for %%l in ("!lf!") do echo:"!stack:%%~l= !"
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%stack.empty% && echo empty: true || echo empty: false
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goto:eof
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