INFILE="ABC_BMWPPI_20120909_00073.DAT.ASDFGHJK" -> 44 character long
mv INFILE GEPB_${INFILE:${#INFILE}-27:15}dat
result is GEPB_20120909_00073.DAT.
I am confused in how we get it.
If I evaluate
1- GEPB_${INFILE:${#INFILE}-27:15}dat
2- GEPB_${INFILE:${44}-27:15}dat
3- GEPB_${INFILE:14:15}dat
4- GEPB_20120909_00073.dat
Can anybody explain how ${44} got evaluated here?
generally $ comes with variable name, how it is working with number here.
Moderator's Comments:
Code tags for code, please.
Last edited by Corona688; 07-24-2012 at 01:57 PM..
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Discussion started by: briandanielz
3 Replies
LEARN ABOUT DEBIAN
pbespp
PBESPP(1) User Commands PBESPP(1)NAME
pbespp - pretty print a PBES
SYNOPSIS
pbespp [OPTION]... [INFILE [OUTFILE]]
DESCRIPTION
Print the PBES in INFILE to OUTFILE in a human readable format. If OUTFILE is not present, stdout is used. If INFILE is not present, stdin
is used.
OPTIONS
OPTION can be any of the following:
-fFORMAT, --format=FORMAT
print the PBES in the specified FORMAT:
'default' for a PBES specification (default),
'internal' for a textual ATerm representation of the internal format
--timings[=FILE]
append timing measurements to FILE. Measurements are written to standard error if no FILE is provided
Standard options:
-q, --quiet
do not display warning messages
-v, --verbose
display short intermediate messages
-d, --debug
display detailed intermediate messages
--log-level=LEVEL
display intermediate messages up to and including level
-h, --help
display help information
--version
display version information
AUTHOR
Written by Aad Mathijssen and Jeroen Keiren.
REPORTING BUGS
Report bugs at <http://www.mcrl2.org/issuetracker>.
COPYRIGHT
Copyright (C) 2012 Technische Universiteit Eindhoven.
This is free software. You may redistribute copies of it under the terms of the Boost Software License
<http://www.boost.org/LICENSE_1_0.txt>. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
See also the manual at <http://www.mcrl2.org/mcrl2/wiki/index.php/User_manual/pbespp>.
pbespp mCRL2 toolset 201202.0 (Release) April 2012 PBESPP(1)
07-24-2012
