Advanced·Reading and processing text

fold: Wrap to display long text

Syntax

fold [-w width] [file…]

Options

-w

Number of characters per line

Examples

fold -w 20 README.txt

Usage and sandbox support

The teaching subset wraps lines by character; byte width and terminal display column width are not simulated.

Hands-on exercises

• Wrap every four characters into a lineAdvanced

Full documentation ↗

Related commands

• catRead and concatenate text
• lessRead text in pages
• moreView text in pages
• headRead the first few lines
• tailRead last few lines
• grepFilter text by pattern
• findFind paths by name or type
• wcCount lines, words and bytes
• sortSort lines of text
• uniqMerge adjacent duplicate rows
• cutExtract columns or characters
• trReplace or delete characters
• sedReplace text or select lines
• awkExtract structured text fields
• diffCompare two text files
• vimEdit files in terminal
• nanoModify files with a simple editor
• nlNumber lines of text
• tacOutput lines of text in reverse order
• revReverse characters line by line
• pasteSplicing text columns horizontally
• commCompare sorted lists
• cmpCompare files to see if they are the same
• expandConvert Tab to spaces
• unexpandConvert leading spaces to Tab
• rgFast recursive text search
• jqHandle JSON
• yqHandle YAML
• joinMerge sorted tables by common fields
• fmtReformat paragraphs word by word
• columnArrange text table
• stringsExtract printable text from binary
• odView file byte representation
• hexdumpShow hexadecimal bytes
• xxdView or restore hex dump
• iconvConvert text encoding
• dos2unixConvert Windows to newline
• splitSplit file by lines
• csplitSplit text by pattern
• bcEvaluate a numeric expression