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Top Forums UNIX for Beginners Questions & Answers Shell script to tail a file with unknown numbers Post 303038680 by encrypt_decrypt on Wednesday 11th of September 2019 07:40:22 AM
Old 09-11-2019
The ask to check number of files varies from time to time
and some time full logs are asked
so to put it in script in need to give an option with some 'read' syntax that it could get either 100000 or 200000 or full
so how to read that input which can vary
 

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ETSF_IO(1)							   User Commands							ETSF_IO(1)

NAME
etsf_io - manual page for etsf_io SYNOPSIS
etsf_io [-h | -a action] [[-i file]...] [[-f flag]...] DESCRIPTION
[-o file] [arguments] Handle ETSF files, see --action option. -h --help : show this little help. -a --action value : give the action to perform. Possible action may be: * 'merge' to gather several files that have been splitted. * 'content' to get the name of specifications the file matches. * 'check' to check the validity of the file against specifications. -o --output-file file : give the path to the output ETSF file. -i --input-file file : give the path for an input file. This option can be used one or several times. -l --list : when action is check, it give the list of available flags.q -f --flag value : give a flag name (get valid names from -l option). Examples: Merge three files, etsf_io -a merge -i file1.nc -i file2.nc -i file3.nc -o output.nc Get the contents of file test.nc, etsf_io -a content test.nc Get the list of flags for validity checks, etsf_io -a check -l Checks with two flags, etsf_io -a check -f flag1 -f flag2 test.nc SEE ALSO
The full documentation for etsf_io is maintained as a Texinfo manual. If the info and etsf_io programs are properly installed at your site, the command info etsf_io should give you access to the complete manual. etsf_io November 2011 ETSF_IO(1)
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