#!/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.log0array=("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 ]; thenecho "Usage: $0 <logfile>"exit
fifile="$1"0
cp -f $1 $filefunction deleteLine()
{sed "/$1/d" $file > tmpmv -f tmp $file
}wc -l $filefor line in "${array[@]}"
doif [ ${#line} -gt 0 ] && [ ${line:0:1} != "#" ]; thendeleteLine "$line"fi
donewc -l $file

运行情况：

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