Re: indistinguishable column names ( BA Start Start Start Start )
matthew patton <[email protected]>
| Newsgroups | gmane.linux.lvm.general |
|---|---|
| Message-ID | <[email protected]> |
use json output and familiarize yourself with JQ. On Wednesday, August 23, 2023 at 02:53:23 AM EDT, Roland <[email protected]> wrote: Hi, > Hi Roland, is `lvs --reportformat json` or `lvs --nameprefixes` good enough? good when using scripting / automated processing - but not good, when we need it human readable. i'd even would call it a bug, when using same strings for "translated" names. would anybody accept something like this (just for saving column space) ? ok, that's a little bit over the top - but i wand to underline what i mean getpersondetails -o forename, surname, streetname, cityname name name name name john doe highstreet washington roland Am 21.08.23 um 18:00 schrieb Marian Csontos: Hi Roland, is `lvs --reportformat json` or `lvs --nameprefixes` good enough? On Sat, Aug 19, 2023 at 6:06 PM Roland <[email protected]> wrote: > furthermore, it's a little bit weird that some columns being printed by default when using -o, is > there an easier way to remove those besides explictly removing them one by one with several -o options ? "-o-opt1,-opt2,..." doesn't work sorry for this noise, i was too dumb for that , "-o+opt1,opt2 -o-opt3,opt4" works as desired (as documented in manpage) > themselves,and there also seems no way to add separators in between (like with printf) for separation/formatting also sorry for this, as we can use --separator="," (apparently did have too much coffee and had overseen that in the manpage) the question regarding native column headers/description remains roland Am 19.08.23 um 17:20 schrieb Roland: > hello, > > does somebody know how we can have native (i.e. non translated) column > field names in first line of output of pvs ? > > in its current implementation, output is hard to read , difficult to > distinguish and also not scriptable/parseable, as whitespace is used > for field separator and there are fields which also contain whitespace > themselves,and there also seems no way to add separators in between > (like with printf) for separation/formatting > > # pvs --units s -o+pv_ba_start,seg_start,seg_start_pe,pvseg_start > PV VG Fmt Attr PSize PFree BA Start Start > Start Start > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > 2097152S 1 0 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > 2097152S 1 1 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 5309 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 5587 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 5588 > > i mean like this: > > # pvs --units s -o+pv_ba_start,seg_start,seg_start_pe,pvseg_start > PV VG Fmt Attr PSize PFree pv_ba_start > seg_start seg_start_pe pvseg_start > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > 2097152S 1 0 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > 2097152S 1 1 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 > 5309 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S > 0 5587 > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S > 0 5588 > > furthermore, it's a little bit weird that some columns being printed > by default when using -o, is there an easier way to remove those > besides explictly removing them one by one with several -o options ? > "-o-opt1,-opt2,..." doesn't work > > # pvs --units s -o+pv_ba_start,seg_start,pvseg_start,seg_start_pe > -o-vg_name -o-pv_name -o-pv_fmt -o-attr -o -pv_size -o -pv_free > BA Start Start Start Start > 0S 2097152S 0 1 > 0S 2097152S 1 1 > 0S 0S 5309 0 > 0S 0S 5587 0 > 0S 0S 5588 0 > > roland > _______________________________________________ linux-lvm mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/