Example
output to file sort file.txt -o file.txtsort by column sort -n -k2 file.txtsort , from dig to small sort -nr -k2 file.txt
common
b, –ignore-leading-blanks ignore leading blanksd, –dictionary-order consider only blanks and alphanumeric charactersf, –ignore-case fold lower case to upper case charactersg, –general-numeric-sort compare according to general numerical valuei, –ignore-nonprinting consider only printable charactersM, –month-sort compare (unknown) < JAN' < ... <DEC'n, –numeric-sort compare according to string numerical valuer, –reverse reverse the result of comparisonsu, – distinct
Other options:
c, –check check whether input is sorted; do not sortk, –key=POS1[,POS2] start a key at POS1, end it at POS2 (origin 1)m, –merge merge already sorted files; do not sorto, –output=FILE write result to FILE instead of standard outputs, –stable stabilize sort by disabling last-resort comparisonS, –buffer-size=SIZE use SIZE for main memory buffert, –field-separator=SEP use SEP instead of non-blank to blank transitionT, –temporary-directory=DIR use DIR for temporaries, not $TMPDIR
