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Top Forums Shell Programming and Scripting Grep behaves diffrent upon printf or echo output Post 302920940 by Don Cragun on Monday 13th of October 2014 07:14:57 PM
Old 10-13-2014
Quote:
Originally Posted by neutronscott
... ... ...

But keeping the idea of using printf and grep, perhaps you want:

Code:
$ echo "$@"
-L -i
$ printf '%s\n' "$@" | grep -c -- -[Lih]
2

Now we know we had 2 of the 3 options...
Although the filenames -L -i, and -h are not common, scripts should always assume that they might be present. Therefore, the grep -[Lih] operand should be quoted:
Code:
$ printf '%s\n' "$@" | grep -c -- '-[Lih]'

This User Gave Thanks to Don Cragun For This Post:
 

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IPROP-LOG(8)						    BSD System Manager's Manual 					      IPROP-LOG(8)

NAME
iprop-log -- maintain the iprop log file SYNOPSIS
iprop-log [--version] [-h | --help] command iprop-log truncate [-c file | --config-file=file] [-r string | --realm=string] [-h | --help] iprop-log dump [-c file | --config-file=file] [-r string | --realm=string] [-h | --help] iprop-log replay [--start-version=version-number] [--end-version=version-number] [-c file | --config-file=file] [-r string | --realm=string] [-h | --help] DESCRIPTION
Supported options: --version -h, --help command can be one of the following: truncate -c file, --config-file=file configuration file -r string, --realm=string realm Truncates the log. Sets the new logs version number for the to the last entry of the old log. If the log is truncted by emptying the file, the log will start over at the first version (0). dump -c file, --config-file=file configuration file -r string, --realm=string realm Print out all entries in the log to standard output. replay --start-version=version-number start replay with this version --end-version=version-number end replay with this version -c file, --config-file=file configuration file -r string, --realm=string realm Replay the changes from specified entries (or all if none is specified) in the transaction log to the database. last-version -c file, --config-file=file configuration file -r string, --realm=string realm prints the version of the last log entry. SEE ALSO
iprop(8) Heimdal February 18, 2007 Heimdal
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