home *** CD-ROM | disk | FTP | other *** search
- .NH
- Information Handling
- .LP
- .sh SORT
- Sort or merge ASCII files line-by-line.
- No limit on input size.
- .op
- Sort up or down.
- .op
- Sort lexicographically or on numeric key.
- .op
- Multiple keys located by delimiters or by character position.
- .op
- May sort upper case together with lower into dictionary order.
- .OP
- Optionally suppress duplicate data.
- .sh TSORT
- Topological sort \(em converts a partial order into a total order.
- .sh UNIQ
- Collapse successive duplicate lines
- in a file into one line.
- .op
- Publish lines that were originally unique,
- duplicated, or both.
- .op
- May give redundancy count for each line.
- .sh TR
- Do one-to-one character translation according to
- an arbitrary code.
- .op
- May coalesce selected repeated characters.
- .op
- May delete selected characters.
- .sh DIFF
- Report line changes, additions and deletions necessary to bring two files
- into agreement.
- .op
- May produce an editor script to convert one file into another.
- .op
- A variant compares two new versions against one old one.
- .sh COMM
- Identify common lines in two sorted files.
- Output in up to 3 columns shows lines present in first file only,
- present in both, and/or present in second only.
- .sh JOIN
- Combine two files by joining records that have identical keys.
- .sh GREP
- Print all lines in a file that satisfy
- a pattern as used in the editor ED.
- .op
- May print all lines that fail to match.
- .op
- May print count of hits.
- .op
- May print first hit in each file.
- .sh LOOK
- Binary search in sorted file for lines
- with specified prefix.
- .sh WC
- Count the lines, ``words'' (blank-separated strings) and characters in a file.
- .sh SED
- Stream-oriented version of ED.
- Can perform a sequence of editing operations on
- each line of an
- input stream of unbounded length.
- .op
- Lines may be selected by address or range of addresses.
- .op
- Control flow and conditional testing.
- .op
- Multiple output streams.
- .op
- Multi-line capability.
- .sh AWK
- Pattern scanning and processing language.
- Searches input for patterns, and
- performs actions on each line of input that satisfies
- the pattern.
- .op
- Patterns include regular expressions,
- arithmetic and lexicographic conditions,
- boolean combinations and ranges of these.
- .op
- Data treated as string or numeric as appropriate.
- .op
- Can break input into fields;
- fields are variables.
- .op
- Variables and arrays (with non-numeric subscripts).
- .op
- Full set of arithmetic operators and control flow.
- .op
- Multiple output streams to files and pipes.
- .op
- Output can be formatted as desired.
- .op
- Multi-line capabilities.
-