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pgrep currently implements -l and -f, but not -a. It also inadvertently treats -f as a combination of -a and -f, where we both filter via the full command line and display the full command line. This violates --help, where -f says "Check full command line for PATTERN". Implement -a, which takes care of displaying the full command line, and return -f to simply checking (filtering) via command line.
48 lines
1.7 KiB
Bash
48 lines
1.7 KiB
Bash
#!/bin/bash
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# Copyright 2013 Divya Kothari <divya.s.kothari@gmail.com>
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# Copyright 2013 Robin Mittal <robinmittal.it@gmail.com>
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#cleaning 'yes' processes
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killall yes >/dev/null 2>&1
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[ -f testing.sh ] && . testing.sh
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#testing "name" "command" "result" "infile" "stdin"
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# Starting processes to test pgrep command
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yes and no >/dev/null &
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proc=$!
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#echo "# Process created with id: $proc"
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sleep .1
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session_id=0
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proc_parent=`cat /proc/${proc}/stat | cut -d' ' -f4`
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#echo "# Parent Process id of $proc is $proc_parent"
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# Testcases for pgrep command
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testing "pattern" "pgrep yes" "$proc\n" "" ""
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testing "wildCardPattern" "pgrep ^y.*s$" "$proc\n" "" ""
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testing "-l pattern" "pgrep -l yes" "$proc yes\n" "" ""
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testing "-f pattern" "pgrep -f yes" "$proc\n" "" ""
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testing "-a pattern" "pgrep -a yes" "$proc yes and no\n" "" ""
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testing "-la pattern" "pgrep -la yes" "$proc yes and no\n" "" ""
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testing "-fa pattern" "pgrep -fa yes" "$proc yes and no\n" "" ""
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testing "-lf pattern" "pgrep -lf yes" "$proc yes\n" "" ""
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testing "-fa pattern" "pgrep -fa yes" "$proc yes and no\n" "" ""
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testing "-lfa pattern" "pgrep -lfa yes" "$proc yes and no\n" "" ""
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testing "-n pattern" "pgrep -n yes" "$proc\n" "" ""
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testing "-o pattern" "pgrep -o yes" "$proc\n" "" ""
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testing "-s" "pgrep -s $session_id yes" "$proc\n" "" ""
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testing "-P" "pgrep -P $proc_parent yes" "$proc\n" "" ""
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testing "-f 'full command line'" "pgrep -f 'yes and no'" "$proc\n" "" ""
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testing "-l 'full command line nomatch'" "pgrep -l 'yes and no'" "" "" ""
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testing "-a 'full command line nomatch'" "pgrep -a 'yes and no'" "" "" ""
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testing "return success" "pgrep yes && echo success" "$proc\nsuccess\n" "" ""
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testing "return failure" "pgrep almost-certainly-not || echo failure" \
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"failure\n" "" ""
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#Clean-up
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kill -9 $proc
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