�� Ŀ�� 1998�� 8��ȣ: �� ã��

Guido Socher

��ڿ� ��Ͽ�: ��ο� �ý��̸� �� ü�� Բ� ��ϴ� �͵� �ſ� ū ��ſ��̱� �� Ѵ�. ��ð�� ģ�� ð�� ų� BBC World Service radio�� ų� �ð�� Ÿ� Ÿ�� ޸��ų� �� .

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�ʷ�: �� ̸�� �� ã�� ˷��ش�.

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�Ƹ�� ̷�� ̴�: � �� ־��µ� ��𿡴� �״�� ϰڴ�.

�̷� ��쿡 find ��ɾ �̿��ϸ� ��ϰ� �ȴ�. ��� ұ�? find �� Ŀ�ٶ� man �� Բ� ��ġ�� "�Ϲ�� "�� 캸�� . �� 丮�κ�� ؼ� lostfile.txt �� 丮 Ʈ�� ã�ƺ�� Ѵٸ� �Ʒ�� ϸ� �ȴ�.

find . -name lostfile.txt -print

find �� ϵ�ī�� ڵ� �޾Ƶ��δ�. �� ϵ�ī�� ڸ� find�� ѱ�� Ȯ��ϴ� �� ؼ� �ο��ȣ�� δ� �� ƾ� �Ѵ�. �Ʒ�� ׷�� ִ�.

find . -name "lost*" -print

Ŀ�ٶ� ��丮 Ʈ�� ˻�� 쿡�� ɵ�� ִ�. locate ��ɾ ��ϴ� �͵� �� ش�. �� ɾ�� ý��ۿ�� ã�� ʴ´�. ��ͺ��̽�� ˻�� ̴�. �̷�� ϸ� �ξ� �� ͺ��̽�� ִ�. � ��ǵ鿡�� locate�� ͺ��̽�� Ʈ��, ��ͺ��̽�� Ʈ�ϱ� �� updatedb ��ɾ ��÷� �۵��ѵ� �ȴ�. locate �� substring�� ˻��Ѵ�.

locate lostfile

�̷�� ϸ� lostfile.txt �� mylostfile.txt �� ġ�� ˷��ְ� �� ̴�.

��ݱ�� ̸�� Ȯ�ϰ� �ƴ� �͵鸸 ã�� Ҵ�. ��¼�� ̸�� lostfile.txt�� ƴ϶� lastfile.txt �̳� leastfile.txt �Ǵ� lostfiles.txt, Lotsfile.txt, lostfile.text �� ְ�, �̸�� Ȯ�ϰ� �� ִ�. ��� ϸ� �׷� ��쿡�� ã�� ? �̷�� 쿡�� ftff �� ã�� (fault tolerant file find) ��ƿ��Ƽ�� ִ�. ftff �� ã��鼭 �� "��縵 ��"�� Ѵ�. �� ɾ�� ݾ� �߸� �� ̸�� ã�� ̴�.

ftff lostfiles.txt

��Ǵ� ��縵 �� ̸�� ̿� �� -t �ɼ�� ִ�. �ִ� 2�� ϰ� ��ϵ�ī�� ڵ� ��ϰ� �ʹٸ� �Ʒ�� Է��ϸ� �ȴ�.

ftff -t2 "lostfiles*"

ftff �� ڰ� �� α׷��̸� whichman-1.4 �� Ű�� Ϻ��̴�. �� Ű�� Ʒ�� Ʈ�� ִ�.

sunsite.unc.edu/pub/Linux/apps/doctools/whichman-1.4.tar.gz

� ��쿡�� Ư�� ڿ�� ʴ� �� ã�� 쵵 �� ̴�. �� .o �� .c �� ã�� ̴�. �׷�� ִ� �� Ʒ�� .

find . ! -name "*.o" ! -name "*.c" -print

find . -print | fgrep -v '.o' | fgrep -v '.c'

find�� gnu �� ִٸ�: find | fgrep -v '.o' | fgrep -v '.c'

find | egrep -v '\.[oc]'

�� ý�� ü��

� ��쿡�� ý�� ü�� 쵵 �� ̴�. �� ο� CD�� ű⿡ �� ִ�� ˰� �� ̴�. �׳� ls -R �� ̿�� ִ�. �� ڴ� �� ؼ� ��ɾ ��ȣ�Ѵ�. tree ( sunsite.unc.edu/pub/Linux/utils/file/tree-1.2.tgz ) ��α׷�� Ʈ�� ̾�׷�� ׷��ش�.

tree

�Ǵ� �� ̸�� : tree -fF

�� Ǿ�� find �� ص� �ȴ�. �� ִ� gnu �� find ��  �� ̸�� Բ� ��ϴ� �� ¸� �ٲ� �� ִ�.

find . -ls

find . -print �Ǵ� gnu find �δ�: find

find . -printf "%7s %p\n"

�� ϴ� ls ��ɾ�� perl wrapper �� ִ�. �װ�� : lsperl.gz �� ִ�. �Ƹ� �ξ� �� ã�� ְ�� κ�� ϰ�� ´�.

�� ã�� (�� ؽ�Ʈ ��ڿ� ã��)

�� ؽ�Ʈ ��ڿ�� ã�� ǥ�� ƿ��Ƽ�� ǥ��(regular expression)�� ϴ� ��쿡�� grep/egrep �̰� �Ϲ� ��ڿ�� ϴ� ��쿡�� fgrep �̴�. �� 丮�� ִ� �� Ͽ�� �� ǥ�� ã�� Ʒ�� Է��ϸ� �ȴ�.

egrep -i "search expression" *

�� 丮�� ϵ鿡�� ڿ�� ã�� 쿡�� egrep �� find �� ٸ� �˻� ��ɾ�� Բ� �� ȴ�. �� ׷�� ִ�.

egrep -i "expression" `find . -type f -print`

find . -type f -exec egrep -i "expression" /dev/null {} \;

find . -type f -print | xargs egrep -i "expression"

��࿡ ��ϱⰡ ��ٸ� here: grepfind.gz �� ٿ�ε�� ִ� �� ũ��Ʈ�� ص� �ȴ�. �� ũ��Ʈ�� egrep �� 쿬�ϰ� ��̳ʸ� �� ˻��ϰ� �Ǵ� ��쿡 �� ڸ� ��ϵ�� ϴ� ��ɵ� �ִ�.

�ſ� ��̷ο� �˻� ��α׷�� agrep �� ִ�. agrep �� ⺻�� egrep �� ˻�(fault tolerant search)�� Ѵ�. ��� ǥ�� ã��鼭 �ִ� 2�� 縵 �� Ϸ�� Ʒ�� ȴ�.

agrep -i -2 "search exprission" *

agrep ��α׷�� sunsite ftp://sunsite.unc.edu/pub/Linux/utils/text/agrep-2.04.tar.Z �κ�� ٿ�ε�ްų� �� Ʈ�� ftp://ftp.cs.arizona.edu/agrep/ �κ�� ٿ�ε�� ִ�.

�׸�� glimpse �� α׷�� ִ�. glimpse �� ſ� �� ˻� ��ƿ��Ƽ�̴�. �װ�� locate �� Ѵ�. �켱 ��ͺ��̽�� ؾ� �� ˻�� ſ� ��. �� 丮�κ�� ϴ� �� ˻� �ε�� Ʒ�� Է��ϸ� �ȴ�.

glimpseindex .

��ķδ� �� ε�� ϵ� �� ڿ�� ˻�� ִ�.

glimpse -i -2 "search exprission"

glimpse �� agrep �� ϸ� -2 �� Ѵٴ� ��̴�. glimpse�� http://glimpse.cs.arizona.edu/ �� ִ�.

��н�, Ư�� ſ� �� ˻� ��ƿ��Ƽ�� ִ�. �� Ϻ�� . ��࿡ �̷� �Ͱ� �� Ʈ�� ƿ��Ƽ�� ִٸ� http://sunsite.unc.edu/pub/Linux/utils �Ʒ�� ִ� .lsm ��ϵ�� 캸��.

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