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New -check_media option data_to="-" for standard output

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Thomas Schmitt
2020-09-30 21:07:50 +02:00
parent 56b2d88667
commit 588578f9a8
7 changed files with 103 additions and 46 deletions
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15
xorriso/xorriso.texi
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@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISO 1 "Version 1.5.3, Sep 11, 2020"
@c man .TH XORRISO 1 "Version 1.5.3, Sep 30, 2020"
@c man .\" Please adjust this date whenever revising the manpage.
@c man .\"
@c man .\" Some roff macros, for reference:
@ -5477,7 +5477,18 @@ gives the number of report list items after which to abort.
Value -1 means unlimited item number.
@*
@item data_to=disk_path
copies the valid blocks to the given file.
copies the valid blocks to the given file, which must support random access
writing, unless disk_path is "-" which means standard output.
@*
In the latter case, patch_lba0= settings other than "off" yield failure.
Further the usual result messages of -check_media get redirected to the info
channel. But beware of result messages from other commands. Beware of -*dev "-"
which redirect standard output to standard error. Keep the run simple:
@*
xorriso -indev /dev/sr0 -check_media data_to=- -- | md5sum
@*
xorriso -outdev /dev/sr0 -check_media data_to=- use=outdev \
what=disc min_lba=0 max_lba=999999 -- | sha256sum
@*
@item event=severity
sets the given severity for a problem event which shall be issued at