Debug failing bash scripts

[vidyalakshmir]

Debug failing bash tests.

Update 03/17/2026 :
Used flag -fpcast-emu for wasm-opt while building bash.cwasm
As of now we have only 6 failing.

Please refer to PR #141 for more details.

Included below are each test followed by its native output as well as lind-wasm output:

cat <(echo hello)

Running natively tests/bash/test89.sh
hello
Running with lind tests/bash/test89.sh
shell-init: error retrieving current directory: getcwd: cannot access parent directories: Invalid argument
/bin/cat: /dev/fd/63: No such file or directory

printf "%.2f\n" 3.14159

Running natively tests/bash/test95.sh
3.14
Running with lind tests/bash/test95.sh
shell-init: error retrieving current directory: getcwd: cannot access parent directories: Invalid argument
?.31

echo hi | cat >/dev/null; echo ${PIPESTATUS[0]}

Running natively tests/bash/test133.sh
0
Running with lind tests/bash/test133.sh
shell-init: error retrieving current directory: getcwd: cannot access parent directories: Invalid argument

[ -n "$PWD" ] && echo 1

Running natively tests/bash/test161.sh
1
Running with lind tests/bash/test161.sh
shell-init: error retrieving current directory: getcwd: cannot access parent directories: Invalid argument

[ -n "$HOME" ] && echo 1

Running natively tests/bash/test162.sh
1
Running with lind tests/bash/test162.sh
shell-init: error retrieving current directory: getcwd: cannot access parent directories: Invalid argument

The following test seem to match native execution when run individually, but fails when run together in the test suite.

echo err >&2 2>/tmp/tmp.i3nR7wvelq; cat /tmp/tmp.i3nR7wvelq

Running natively tests/bash/test81.sh
err
Running with lind tests/bash/test81.sh
shell-init: error retrieving current directory: getcwd: cannot access parent directories: Invalid argument
err