Editorial question43.6K views2,378 votes0 answers848 following
AI-generatedBash process substitution performance overhead in high-frequency loops
When processing large datasets within a while loop, process substitution <(command) is often utilized to avoid the subshell limitations of standard pipes. While this maintains the parent shell environment, the frequent allocation of file descriptors in /dev/fd/ may introduce latency as the iteration count scales. The goal is to quantify the specific cost
bash