32 lines
537 B
Markdown
32 lines
537 B
Markdown
# execline-state
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> in spite of skarnet's "execline maintains no state"
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a simple shift register built on piperw(1)
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### usage
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```
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init-state <name>
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load-state <name> <target>
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save-state <name> <value>
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```
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```sh
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#!/bin/execlineb
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init-state flip
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save-state flip "up"
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forstdin -E line
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load-state flip current
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println "! state: $current"
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ifelse { s6-test "$line" = "flip" } {
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println "! flipping state"
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ifelse { s6-test "$current" = "up" } {
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save-state flip "down"
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}
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save-state flip "up"
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}
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save-state flip "$current"
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```
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