cat employees.txt

byoungguk:100:server
gildong:200:sales


cat read-employees.sh

#!/bin/sh
IFS=:
echo "employee names:"
echo "---------------"
while read name empid dept
do
     echo "$name is part of $dept department"
done < ~/employees.txt




./read-employees.sh
employee names:
---------------
byoungguk is part of server department
gildong is part of sales department






저작자 표시 비영리 동일 조건 변경 허락
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  1 if [ -x /sbin/quotacheck ]; then
  2     /sbin/quotacheck -avug
  3     echo " Done"
  4 fi
  5 if [ -x /sbin/quotaon ]; then
  6     /sbin/quotaon -avug
  7     echo " Done"
  8 fi




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김병국
유용했던 자료를 기록해 두었습니다. 도움이 되시길~~~ Welcome! I started this blog as a way to give back to all of the other system administrators who have taught me something in the past. Writing these posts brings me a lot of enjoyment and I hope you fun

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#!/bin/sh
Email="xxx@xxx.com";
find /hosting/ -type d -and -name '.*' | grep -v ssh | grep -v .ncftp > /root/hostinghack.txt
find /hosting2/ -type d -and -name '.*' | grep -v ssh | grep -v .ncftp > /root/hosting2hack.txt
(
echo "-----------------------------------------------------------------------------------" && \
echo "오늘 날짜 입니다." &&
date && echo -e "\n"
echo "-----------------------------------------------------------------------------------" && \
echo "-hosting" &&
cat /root/hostinghack.txt && echo -e "\n"
echo "- hosting2" &&
cat /root/hosting2hack.txt && echo -e "\n") \
| mail -s " guk testserver: hack check" ${Email}
echo "done +";
exit 0;



메일온 결과:

-----------------------------------------------------------------------------------
오늘 날짜 입니다.
Tue Nov 27 14:32:45 KST 2012


-----------------------------------------------------------------------------------
-hosting
/hosting/oracle/app/product/11g/uix/cabo/jsLibs/.ade_path
/hosting/oracle/app/product/11g/oc4j/.patch_storage
/hosting/oracle/.oracle


- hosting2
/hosting2/oracle/app/product/11g/uix/cabo/jsLibs/.ade_path
/hosting2/oracle/app/product/11g/oc4j/.patch_storage
/hosting2/oracle/.oracle

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유용했던 자료를 기록해 두었습니다. 도움이 되시길~~~ Welcome! I started this blog as a way to give back to all of the other system administrators who have taught me something in the past. Writing these posts brings me a lot of enjoyment and I hope you fun

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secret
Argument list too long

해당 디렉토리로 가서 아래 스크립트 실행

for file in $(ls)
do
    rm -fv $file
done


안써먹으니 이 간단한것도 기억에서 잊혀진다.


# find ./ -name "*.log" -print0 
./1.log./2.log

 

# find ./ -name "*.log" -print0 | xargs -0 rm -f
# ls

다 지워 졌음.

 

 

find 옵션

-print0
True; print the full file name on the standard output, followed by a null
character (instead of the newline character that '-print' uses). This
allows file names that contain newlines or other types of white space to be
correctly interpreted by programs that process the find output. This option
corresponds to the '-0' option of xargs.

 

 

xargs 옵션

--null, -0

Input items are terminated by a null character instead of by whitespace, and
the quotes and backslash are not special (every character is taken liter-
ally). Disables the end of file string, which is treated like any other
argument. Useful when input items might contain white space, quote marks,
or backslashes. The GNU find -print0 option produces input suitable for
this mode.

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유용했던 자료를 기록해 두었습니다. 도움이 되시길~~~ Welcome! I started this blog as a way to give back to all of the other system administrators who have taught me something in the past. Writing these posts brings me a lot of enjoyment and I hope you fun

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secret