Bioinformatics Problem Bank — Practice & Solve

Status	Problem Title	Difficulty	Tags	Action
	Count Sequences in a FASTA Stream	Foundational	Bash grep Counting FASTA	Solve
	Extract FASTA Identifiers	Foundational	Bash grep sed Text Processing	Solve
	Extract a Column from a TSV Stream	Foundational	Bash awk cut Tabular Data	Solve
	Filter Rows by Numeric Threshold	Intermediate	Bash awk Filtering Differential Expression	Solve
	Count Unique Values in a Stream	Intermediate	Bash sort uniq Pipelines Aggregation	Solve
	Transcribe DNA to RNA with tr	Foundational	Bash tr sed Character Substitution	Solve
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Bash Foundations