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40 lines
1.2 KiB
Bash
40 lines
1.2 KiB
Bash
#!/bin/sh
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setopt --verbose
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rm -rf shell-test 2> /dev/null
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mkdir shell-test
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cd shell-test
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touch a b c
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# Can we do logical stuff with control structures?
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ls && for $(seq 1) { echo yes > listing }
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test "$(cat listing)" = "yes" || echo for cannot appear as second part of '&&' && exit 1
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rm listing
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# FIXME: This should work!
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# for $(seq 1) { echo yes > listing } && echo HELLO!
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# test "$(cat listing)" = "yes" || echo for cannot appear as first part of '&&' && exit 1
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# rm listing
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# Can we pipe things into and from control structures?
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ls | if true { cat > listing }
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test "$(cat listing)" = "a b c" || echo if cannot be correctly redirected to && exit 1
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rm listing
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ls | for $(seq 1) { cat > listing }
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test "$(cat listing)" = "a b c" || echo for cannot be correctly redirected to && exit 1
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rm listing
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for $(seq 4) { echo $it } | cat > listing
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test "$(cat listing)" = "1 2 3 4" || echo for cannot be correctly redirected from && exit 1
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rm listing
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if true { echo TRUE! } | cat > listing
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test "$(cat listing)" = "TRUE!" || echo if cannot be correctly redirected from && exit 1
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rm listing
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cd ..
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rm -rf shell-test
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