ladybird/Shell/Tests/control-structure-as-command.sh

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