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https://github.com/percona/percona-toolkit.git
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54 lines
1.8 KiB
Bash
54 lines
1.8 KiB
Bash
# This program is copyright 2011 Percona Inc.
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# Feedback and improvements are welcome.
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#
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# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
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# systems, you can issue `man perlgpl' or `man perlartistic' to read these
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# licenses.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA.
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# ###########################################################################
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# alt_cmds package
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# ###########################################################################
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# Package: alt_cmds
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# alt_cmds provides alternatives to commands that aren't on all systems.
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set -u
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# Global variables.
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CMD_PIDOF="$(which pidof)"
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CMD_PGREP="$(which pgrep)"
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# seq N, return 1, ..., 5
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_seq() {
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local i="$1"
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awk "BEGIN { for(i=1; i<=$i; i++) print i; }"
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}
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_pidof() {
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local proc="$1" # process name
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local pat="${2:-""}" # pattern in case we must grep for proc
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local pid=""
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[ "$CMD_PIDOF" ] && pid=$(pidof -s "$proc");
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[ -z "$pid" ] && [ "$CMD_PGREP" ] && pid=$(pgrep -o -x "$proc");
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[ -z "$pid" ] && pid=$(ps -eaf | grep "$pat" | grep -v mysqld_safe | awk '{print $2}' | head -n1)
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echo $pid
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}
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# ###########################################################################
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# End alt_cmds package
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# ###########################################################################
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