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zsh: support quoted $! to get the most recent background PID #1298
Description
❌ Fails to parse when $! is quoted
./shfmt --language-dialect zsh << 'EOF'
sleep 10 &
pid="$!"
EOF
# <standard input>:2:6: `${!foo}` is a bash/mksh feature; tried parsing as zsh✅ Succeeds when unquoted
./shfmt --language-dialect zsh << 'EOF'
sleep 10 &
pid=$!
EOF
# sleep 10 &
# pid=$!zsh docs
https://zsh.sourceforge.io/Doc/Release/Parameters.html#Parameters-Set-By-The-Shell
PS: Set setopt nobanghist in your shell to prevent history expansion from interfering when running the example.
EDIT1: nobanghist note added
Activity
syntax: fix parsing a quoted $! in zsh
fix(deps): update module mvdan.cc/sh/v3 to v3.13.1 (#397)
chore(deps): update module mvdan.cc/sh/v3/cmd/shfmt to v3.13.1 (hetzn…