学步园

#!/bin/sh
# 功能:		删除文件中含"指定内容"的行
# 运行方式:	./dline.sh c.log	==> 产生输出文件: c.log0

array=(
	"rm -f lvr_3531_pf_new"
	"arm-hisiv100-linux-gcc "
	"In function "
	"excess elements in array initializer"
	"warning: multi-line comment"
	"embedded '\\0' in format"
	"__NR_SYSCALL_BASE"
	"this is the location of the previous definition"
	"dereferencing type-punned pointer will break strict-aliasing rules"
	"differ in signedness"
	"but argument is of type"
	"implicit declaration of"
)

if [ $# -lt 1 ]; then
	echo "Usage: $0 <logfile>"
	exit
fi

file="$1"0
cp -f $1 $file

function deleteLine()
{
	sed "/$1/d" $file > tmp
	mv -f tmp $file
}

wc -l $file

for line in "${array[@]}"
do
	if [ ${#line} -gt 0 ] && [ ${line:0:1} != "#" ]; then
		deleteLine "$line"
	fi
done

wc -l $file

运行情况：

[feng@bash #69]$./dline.sh c.log
556 c.log0
63 c.log0
[feng@bash #70]$