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Homework and Emergencies Homework & Coursework Questions Trouble with Shell Script Compressing file Post 302962624 by sea on Wednesday 16th of December 2015 02:31:26 PM
Old 12-16-2015
Quote:
Do now show any output of the command
can be understood as redirecting any 'error message' to /dev/zero.
Like:
Code:
tar cvzf "$file1.tgz" "$file1" 2>/dev/zero

Alternativly, you could redirect and appending (the double >>) to a logfile like:
Code:
tar cvzf "$file1.tgz" "$file1" 2>>"./$file_list.log"

hth
 

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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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