Linux bash删除文件中含“指定内容”的行功能示例_linux shell_

 #!/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 " 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 

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