Created
June 19, 2017 16:35
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decimal↔unary in GNU sed
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| #!/usr/bin/env sed -rf | |
| # 2017 Jordan Running <jordan@jordanrunning.com> | |
| s/^0$// | |
| tZ | |
| s/$/!:9876543210/ | |
| : | |
| s/0!/!9/ | |
| t | |
| s/(.)!(.*):(.*\1)(.)/\4\2:\3\4/ | |
| s/(.*):/;\1!:/ | |
| s/;0/;/ | |
| /;!/!b | |
| s/!.*// | |
| :Z |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env sed -rf | |
| # 2017 Jordan Running <jordan@jordanrunning.com> | |
| s/$/0!:0123456789/ | |
| : | |
| /;/!bZ | |
| s/9!/!0/ | |
| t | |
| s/;!/;1/ | |
| s/(.)!(.*):(.*\1)(.)/\4\2:\3\4/ | |
| s/;(.*):/\1!:/ | |
| b | |
| :Z | |
| s/!.*// |
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