📝 Text Processing

Search, filter, transform and compare text: grep, sed, awk, jq and friends.

awkPowerful text processing language for pattern scanning and field-based reporting.
awk advancedAdvanced awk: multi-condition processing, BEGIN/END blocks, associative arrays.
base64Encode or decode data using Base64.
batcat with syntax highlighting
cksumCRC checksum
columnFormat text into aligned columns for readable tabular output.
commCompare two sorted files line by line
csvkitCSV tools suite
cutExtract specific fields or character ranges from text.
diffCompare files line by line and show differences.
dos2unixConvert Windows line endings
echoPrint text
edLine editor
egrepExtended grep
envsubstSubstitute environment variables in text
expandConvert tabs to spaces
fdFast, friendly find alternative
fmtReformat paragraphs
foldWrap long lines
gawkGNU awk
grepSearch text using patterns — print lines matching a regex from files or stdin.
grep advancedAdvanced grep: recursive search, context, PCRE patterns, and file filtering.
headOutput the first N lines of a file.
hexdumpHex dump
iconvConvert text encodings
joinJoin lines of two sorted files on a field
jqCommand-line JSON processor and transformer.
lessPage through file content interactively with search and navigation.
lookFind lines starting with a prefix
nanoSimple terminal text editor
nlNumber lines
odDump bytes in octal/other formats
pasteMerge lines of files side by side
patchApply a diff/patch file to update source files.
prPaginate text for printing
printfFormat and print data with precise control over output format.
revReverse characters in each line
rgripgrep: fast recursive search
sedStream editor — transform text using substitution, deletion, and insertion.
sed advancedAdvanced sed: multi-line editing, in-place replacement, complex patterns.
seqPrint a sequence of numbers
shufShuffle or pick random lines
sortSort lines of text — alphabetically, numerically, or by a specific field.
spongeSoak up input before writing a file
stringsExtract printable strings from binary files.
tacPrint file lines in reverse
tailOutput the last N lines of a file; follow live output.
teeWrite to stdout and one or more files simultaneously.
trTranslate, squeeze, or delete characters in text streams.
tsortTopological sort
uniqFilter or count adjacent duplicate lines in sorted input.
vimVi IMproved text editor
wcCount lines, words, characters, or bytes in files.
xargsBuild and execute commands from standard input.
xmllintParse and validate XML
xxdCreate or reverse a hex dump of binary data.
yqCommand-line YAML/JSON/XML processor (like jq but for YAML).
zlessView compressed files