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Full Discussion: get the lists
Top Forums Shell Programming and Scripting get the lists Post 302668051 by yanglei_fage on Sunday 8th of July 2012 12:51:31 PM
Old 07-08-2012
get the lists

I expert,

I may cross post something similar but I dirtyed my quesion somehow to be clear in the thread

Code:
#cat file1
88dee gcc: Grok for callconvention-hard to enable hard float
a2ad2 eglibc: package mtrace separately
61487 python: bump PR of packages after update of distutils.bbclass
29916 binutils: Drop old/stale/broken csl recipe
f0ad3 binutils: use new update-alternatives
7b1ca binutils_2.22: Backport to fix bogus textrels

Code:
#cat file2
glibc: package mtrace separately
binutils: Drop old/stale/broken csl recipe
binutils_2.22: Backport to fix bogus textrels

I want to get the list, which means it only show the file1's id only when file2 is not in file1

Code:
88dee
61487
f0ad3

 

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XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME
xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files SYNOPSIS
xzcmp [cmp_options] file1 [file2] xzdiff [diff_options] file1 [file2] lzcmp [cmp_options] file1 [file2] lzdiff [diff_options] file1 [file2] DESCRIPTION
xzcmp and xdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), or bzip2(1). All options specified are passed directly to cmp or diff. If only one file is specified, then the files compared are file1 (which must have a suffix of a supported com- pression format) and file1 from which the compression format suffix has been stripped. If two files are specified, then they are uncom- pressed if necessary and fed to cmp(1) or diff(1). The exit status from cmp or diff is preserved. The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils. SEE ALSO
cmp(1), diff(1), xz(1), gzip(1), bzip2(1), zdiff(1) BUGS
Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified. Tukaani 2009-07-05 XZDIFF(1)
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