39 lines
1.5 KiB
Text
39 lines
1.5 KiB
Text
# ============================================================================
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# pgm: amirunning .. insert script to check if same named program is running
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#
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# use: . amirunning
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#
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# in: (env-var) ... (optional) global variable "AMIRUNNING_DIR" defines the
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# in: directory to place a temproary file; if not defined use
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# in: directory "/tmp"
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# out: AmIRunning .. variable set to "yes" if running, else set to "no"
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# oth: (file) ...... a temporary file "temp_ps.$$" is made in the directory
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# oth: defined by global variable "AmIRunning" or in "/tmp"
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#
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# rqd: env vars - AMIRUNNING_DIR
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#
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# cmt: MUST BE RUN WITH THE DOT COMMAND.
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# cmt: SCRIPT NAME MUST BE UNIQUE TO 14 PLACES.
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# cmt: (ps -e only gets 14 char names)
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# cmt: THE CALLING SCRIPT MUST HAVE "#!/bin/bash" AS THE TOP LINE
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#
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# cmt: Add blank in front of lines comming from "ps -e".
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#
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# ver: 20031006
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# ============================================================================
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type dd_help 1>/dev/null 2>&1 && . dd_help 2>/dev/null
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Fil=${AMIRUNNING_DIR:-/tmp}/temp_ps.$$
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touch "$Fil" || exit
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## Limit the caller name to 15 chars since "ps -e" only outputs 15
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Nam=${0##*/}; [ "${#Nam}" -gt 14 ] && Nam=$(expr $Nam : '\(..............\)')
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ps -e | sed 's/^/ /' | awk '/ '$$' /{next};/ '$Nam'/{print $1}' > $Fil
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ps -e | sed 's/^/ /' | awk '/ '$$' /{next};/ '$Nam'/{print $1}' >> $Fil
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Lin=$(cat $Fil | sort | uniq -d); rm -f $Fil
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[[ -n "$Lin" ]] && AmIRunning="yes" || AmIRunning="no"
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unset Fil Nam Lin
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