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authorJérémy Compostella <jeremy.compostella@gmail.com>2012-02-04 15:25:54 +0100
committerPádraig Brady <P@draigBrady.com>2012-02-12 17:34:28 +0000
commit140eca15c4a3d3213629a048cc307fde0d094738 (patch)
tree941ed670b65b4b85d4a629a7d43da3c1acca1363 /NEWS
parentda2b32e7af52f41501ded604dd84c1078583a8d0 (diff)
downloadcoreutils-140eca15c4a3d3213629a048cc307fde0d094738.tar.xz
dd: add count_bytes, skip_bytes and seek_bytes flags
dd now accepts the count_bytes and skip_bytes input flag and the seek_bytes output flag, to more easily allow processing portions of a file. * src/dd.c (scanargs): Compute skip_records and skip_bytes when 'skip_bytes' iflag is used. Compute max_records and max_bytes when 'count_bytes' iflag is used. Compute seek_records and seek_bytes when 'seek_bytes' oflag is used. (skip_via_lseek): Use new 'bytes' parameter and handle potential 'records' equals to zero. Update the bytes parameter when called with 'fdesc' equal to STDOUT_FILENO. Update the header comments. (dd_copy): Skip accordingly to skip_records AND skip_bytes. Count accordingly to max_records AND max_bytes. Seek on output accordingly to seek_records AND seek_bytes. * NEWS (New features): Mention it. * doc/coreutils.texi (dd invocation): Detail new flags and behaviors. * tests/dd/bytes: New file. Tests for these new flags. * tests/Makefile.am (TESTS): Add it.
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@@ -2,6 +2,11 @@ GNU coreutils NEWS -*- outline -*-
* Noteworthy changes in release ?.? (????-??-??) [?]
+** New features
+
+ dd now accepts the count_bytes, skip_bytes iflags and the count_bytes
+ oflag, to more easily allow processing portions of a file.
+
** Bug fixes
mv now lets you move a symlink onto a same-inode destination file that