Unix 脚本编程基础

脚本模板

#!/usr/bin/ksh
#
# SCRIPT: NAME_of_SCRIPT
# AUTHOR: AUTHORS_NAME
# DATE:   DATE_of_CREATION
# REV:    1.1.A (Valid are A, B, D, T and P)
#               (For Alpha, Beta, Dev, Test and Production)
#
# PLATFORM: (SPECIFY: AIX, HP-UX, Linux, Solaris 
#                      or Not platform dependent)
#
# PURPOSE: Give a clear, and if necessary, long, description of the
#          purpose of the shell script. This will also help you stay
#          focused on the task at hand.
#
# REV LIST:
#        DATE: DATE_of_REVISION
#        BY:	  AUTHOR_of_MODIFICATION   
#        MODIFICATION: Describe what was modified, new features, etc-
#
#
# set -n   # Uncomment to check your syntax, without execution.
#          # NOTE: Do not forget to put the comment back in or
#          #       the shell script will not execute!
# set -x   # Uncomment to debug this shell script (Korn shell only)
#          
##########################################################
########### DEFINE FILES AND VARIABLES HERE ##############
##########################################################



##########################################################
############### DEFINE FUNCTIONS HERE ####################
##########################################################



##########################################################
################ BEGINNING OF MAIN #######################
##########################################################



# End of script

代码片段：

#!/usr/bin/ksh
#!/bin/ksh
#
# SCRIPT: util.ksh
# AUTHOR: amos_tl
# DATE:   2012-03-12
#
# PLATFORM: (SPECIFY: AIX, HP-UX, Linux, Solaris 
#                      or Not platform dependent)
#
# PURPOSE: Common Script Code Segment.
#        
##########################################################
########### DEFINE FILES AND VARIABLES HERE ##############
##########################################################
EXIT=0
SIGHUP=1
SIGINT=2
SIGQUIT=3
SIGKILL=9
SIGERTM=15
SIGSTOP=19


##########################################################
############### DEFINE FUNCTIONS HERE ####################
##########################################################
dump_args() {
	for TOKEN in $*
	do
		echo $TOKEN
	done
}

compatible_echo() {
	case $SHELL in
		*/bin/Bash) 
			alias echo="echo -e"
			;;
	esac
}

kill_process(pid) {
	kill -9 pid
}

osinfo() {
	uname
	who
	last
	ps
	finger
	netstat
	vmstat
	iostat
	df
}

test(dir) {
	# same as []
	test -d dir
	if[$? eq 0]
	then
		echo 'exist!'
	else
		echo 'not exist!'
	fi
}

progress() {
	whlie true
	do
		echo ".\c"
	done
}

rand(upperLimit) {
	RANDOM=$$
	RANDOM_NUMBER=$(($RANDOM % upperLimit + 1))
	echo $RANDOM_NUMBER
}

ftp_get() {
	FTP_HOST="ftp_host"
	USER="username"
	PWD="password"
	LDIR="/"
	RDIR="/"
	FILENAME="filename"
	
	ftp -i -v -n $FTP_HOST << EOF
	user $USER $PWD
	binary
	lcd $LDIR
	cd $RDIR
	get $FILENAME
	bye
}

ftp_put() {
	FTP_HOST="ftp_host"
	USER="username"
	PWD="password"
	LDIR="/"
	RDIR="/"
	FILENAME="filename"
	
	ftp -i -v -n $FTP_HOST << EOF
	
	user $USER $PWD
	binary
	lcd $LDIR
	cd $RDIR
	put $FILENAME
	bye
	
	EOF
}

menu() {
	select i in
		menulist) 
		do
			case $i in
				menu1) echo uname
					;;
				menu2) echo menu2
					;;
				*) echo other
					;;
			esac
	
		REPLY=
		echo -e "\nPress Enter to Continue...\c"
		read
		clear
		done
}

isnull() {
	VAL=""
	if [[ -z "$VAL" && "$VAL" = '' ]]
	then
		echo "NULL"
	if
}

usage() {
	echo "\n"USAGE:$0\n"
}

sleep() {
	sleep 100
}

newfile() {
	file="blank"
	touch $file
}

newblankfile() {
	file="blank"
	cat /dev/null > $file
}

open(){
	file="blank"
	cat #file
}

date() {
	date
}

gz() {
	tar -zcvf file.tar.gz /file
}

gz_list() {
	tar -ztvf file.tar.gz
}

ungz() {
	tar -zxvf file.tar.gz .
}

xcp() {
	tar -zcvf /file | tar -zxvf -
}

ch() {
	chown
	chgrp
	chmod
}

file_cmd() {
	rm
	mkdir
	rmdir
	cp
	mv
	rn
	find
	grep
	ls -l
	cd
	clear
}

io() {
	read
	write
}

expression(){
 exp="X=X+1"
 (($EXP))
}

su() {
	su root
}

pwd() {
	passwd
}

text() {
	wc
	head
	tail
	basename
	vi
	cat
}

##########################################################
################ BEGINNING OF MAIN #######################
##########################################################

compatible_echo()


# End of script