locate xboing > test
tar -cvf xboing.tar -T test
gzip xboing.tar
cp xboing.tar.gz /mnt/usb
the above command can copy a software which have been installed on someone system to your own system^-^
#!/bin/sh
for fname in *;do
tmp=`echo $fname|tr [a-z] [A-Z]` #note ,tr can't act like this'tr fname [a-z] [A-Z]'
# it must run as this'tr <fname [a-z] [A-Z]',but this will upcased the content of fname
#so,if you want rename a file list,you must redirect tr's stdin to some command's stdout
mv $fname $tmp
done
the above code cost me lots of time!^-^
it can rename file name in your current dir from lowercase to upper case
this is very useful while you untar a tarball which is tared in a dos/windows system
date +%m-%d-%Y
the above cmd can output current time in MM-DD-YYYY format
tr -s '\n' '\n' <test.txt
the above cmd will del all empty line
ls {*.wav,*.mp3}
the above cmd list all mp3 or wav files in current dir
ls {*.wav,*.mp3,*.log}
the above cmd list all mp3 or wav or log files in current dir
if [ $(date +%H) -ge 22 ]; then
echo whp; else
echo dll; fi
you can do diffrent work in diffrent time
grep 'd\+' test.txt
grep 'd\{1,\}' test.txt
the above cmd match lines which contain one or more 'd'
if you want to use xpdf,you must install /slackware/l/lesstif