GNU textutils

A set of text utilities

for version 2.0, 31 July 1999

This manual documents version 2.0 of the GNU text utilities.

• 1 Introduction
• 2 Common options
• 3 Output of entire files
  • 3.1 cat: Concatenate and write files
  • 3.2 tac: Concatenate and write files in reverse
  • 3.3 nl: Number lines and write files
  • 3.4 od: Write files in octal or other formats
• 4 Formatting file contents
  • 4.1 fmt: Reformat paragraph text
  • 4.2 pr: Paginate or columnate files for printing
  • 4.3 fold: Wrap input lines to fit in specified width
• 5 Output of parts of files
  • 5.1 head: Output the first part of files
  • 5.2 tail: Output the last part of files
  • 5.3 split: Split a file into fixed-size pieces
  • 5.4 csplit: Split a file into context-determined pieces
• 6 Summarizing files
  • 6.1 wc: Print byte, word, and line counts
  • 6.2 sum: Print checksum and block counts
  • 6.3 cksum: Print CRC checksum and byte counts
  • 6.4 md5sum: Print or check message-digests
• 7 Operating on sorted files
  • 7.1 sort: Sort text files
  • 7.2 uniq: Uniquify files
  • 7.3 comm: Compare two sorted files line by line
  • 7.4 tsort: Topological sort
  • 7.5 ptx: Produce permuted indexes
    • 7.5.1 General options
    • 7.5.2 Charset selection
    • 7.5.3 Word selection and input processing
    • 7.5.4 Output formatting
    • 7.5.5 The GNU extensions to ptx
• 8 Operating on fields within a line
  • 8.1 cut: Print selected parts of lines
  • 8.2 paste: Merge lines of files
  • 8.3 join: Join lines on a common field
• 9 Operating on characters
  • 9.1 tr: Translate, squeeze, and/or delete characters
    • 9.1.1 Specifying sets of characters
    • 9.1.2 Translating
    • 9.1.3 Squeezing repeats and deleting
    • 9.1.4 Warning messages
  • 9.2 expand: Convert tabs to spaces
  • 9.3 unexpand: Convert spaces to tabs
• 10 Opening the software toolbox
  • Toolbox introduction
  • I/O redirection
  • The who command
  • The cut command
  • The sort command
  • The uniq command
  • Putting the tools together
• Index

This document was generated on 24 May 2000 using the texi2html translator version 1.51a.