NUMFMT(1) User Commands NUMFMT(1) NAME numfmt - Convert numbers from/to human-readable strings SYNOPSIS numfmt [OPTION]... [NUMBER]... DESCRIPTION Reformat NUMBER(s), or the numbers from standard input if none are specified. Mandatory arguments to long options are mandatory for short options too. --debug print warnings about invalid input -d, --delimiter=X use X instead of whitespace for field delimiter --field=FIELDS replace the numbers in these input fields (default=1) see FIELDS below --format=FORMAT use printf style floating-point FORMAT; see FORMAT below for details --from=UNIT auto-scale input numbers to UNITs; default is 'none'; see UNIT below --from-unit=N specify the input unit size (instead of the default 1) --grouping use locale-defined grouping of digits, e.g. 1,000,000 (which means it has no effect in the C/POSIX locale) --header[=N] print (without converting) the first N header lines; N defaults to 1 if not speci- fied --invalid=MODE failure mode for invalid numbers: MODE can be: abort (default), fail, warn, ignore --padding=N pad the output to N characters; positive N will right-align; negative N will left-align; padding is ignored if the output is wider than N; the default is to au- tomatically pad if a whitespace is found --round=METHOD use METHOD for rounding when scaling; METHOD can be: up, down, from-zero (default), towards-zero, nearest --suffix=SUFFIX add SUFFIX to output numbers, and accept optional SUFFIX in input numbers --to=UNIT auto-scale output numbers to UNITs; see UNIT below --to-unit=N the output unit size (instead of the default 1) -z, --zero-terminated line delimiter is NUL, not newline --help display this help and exit --version output version information and exit UNIT options: none no auto-scaling is done; suffixes will trigger an error auto accept optional single/two letter suffix: 1K = 1000, 1Ki = 1024, 1M = 1000000, 1Mi = 1048576, si accept optional single letter suffix: 1K = 1000, 1M = 1000000, ... iec accept optional single letter suffix: 1K = 1024, 1M = 1048576, ... iec-i accept optional two-letter suffix: 1Ki = 1024, 1Mi = 1048576, ... FIELDS supports cut(1) style field ranges: N N'th field, counted from 1 N- from N'th field, to end of line N-M from N'th to M'th field (inclusive) -M from first to M'th field (inclusive) - all fields Multiple fields/ranges can be separated with commas FORMAT must be suitable for printing one floating-point argument '%f'. Optional quote (%'f) will enable --grouping (if supported by current locale). Optional width value (%10f) will pad output. Optional zero (%010f) width will zero pad the number. Optional negative values (%-10f) will left align. Optional precision (%.1f) will override the in- put determined precision. Exit status is 0 if all input numbers were successfully converted. By default, numfmt will stop at the first conversion error with exit status 2. With --invalid='fail' a warn- ing is printed for each conversion error and the exit status is 2. With --invalid='warn' each conversion error is diagnosed, but the exit status is 0. With --invalid='ignore' conversion errors are not diagnosed and the exit status is 0. EXAMPLES $ numfmt --to=si 1000 -> "1.0K" $ numfmt --to=iec 2048 -> "2.0K" $ numfmt --to=iec-i 4096 -> "4.0Ki" $ echo 1K | numfmt --from=si -> "1000" $ echo 1K | numfmt --from=iec -> "1024" $ df -B1 | numfmt --header --field 2-4 --to=si $ ls -l | numfmt --header --field 5 --to=iec $ ls -lh | numfmt --header --field 5 --from=iec --padding=10 $ ls -lh | numfmt --header --field 5 --from=iec --format %10f AUTHOR Written by Assaf Gordon. REPORTING BUGS GNU coreutils online help: <https://www.gnu.org/software/coreutils/> Report any translation bugs to <https://translationproject.org/team/> COPYRIGHT Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO Full documentation <https://www.gnu.org/software/coreutils/numfmt> or available locally via: info '(coreutils) numfmt invocation' GNU coreutils 8.32 February 2024 NUMFMT(1)
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