numfmt − Convert numbers from/to human-readable strings
numfmt [OPTION]... [NUMBER]...
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=N
replace the number in input field N (default is 1)
−−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 specified
−−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 automatically 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)
|
−−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, ...
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 negative width values (%−10f) will left−pad output.
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 warning 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.
$ 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 |
numfmt --header --field 2 --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
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report numfmt translation bugs to <http://translationproject.org/team/>
Written by Assaf Gordon.
Copyright
© 2013 Free Software Foundation, Inc. License GPLv3+:
GNU GPL version 3 or later
<http://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.
The full documentation for numfmt is maintained as a Texinfo manual. If the info and numfmt programs are properly installed at your site, the command
info coreutils 'numfmt invocation'
should give you access to the complete manual.