"Bash"의 두 판 사이의 차이
ph
1번째 줄: | 1번째 줄: | ||
− | =[[ | + | = [[Bash/manual]] = |
− | <source lang= | + | |
+ | <source lang="bash"> | ||
$ echo {d..h} | $ echo {d..h} | ||
d e f g h | d e f g h | ||
15번째 줄: | 16번째 줄: | ||
$ nice | $ nice | ||
− | </source> | + | </source> |
− | [[ | + | [[Single quotation in single qoute]] |
− | <source lang= | + | <source lang="bash"> |
$ # 'or' | $ # 'or' | ||
$ if [ -z "$1" ] || [ -z "$2" ]; then | $ if [ -z "$1" ] || [ -z "$2" ]; then | ||
34번째 줄: | 35번째 줄: | ||
> done < textfile.txt | > done < textfile.txt | ||
− | </source> | + | </source> |
+ | |||
+ | [http://www.tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html expressions used with if] |
2014년 8월 7일 (목) 13:42 판
Bash/manual
$ echo {d..h}
d e f g h
$ echo {d..Z}
d c b a _ ^ ] [ Z
### cp file1 file2와 같다
$ cat < file1 > file2
$ cut -d: -f1 < /etc/password | sort
### man nice
$ nice
Single quotation in single qoute
$ # 'or'
$ if [ -z "$1" ] || [ -z "$2" ]; then
> echo "Usage: `basename $0` rslt_file target_folder"
> fi
$ # for each line of file
$ # do not use 'cat' & 'foreach'
$ # use 'read'
$ # http://stackoverflow.com/a/1521498/766330
$ while read line; do
> echo $line
> done < textfile.txt