linux shell sed命令与转义字符

A=“//“

sed “s#hello#$A#"

sed 指定行范围匹配

删除文本中的重复行(sort+uniq/awk/sed)

2635 sed -i "s/\(.*\.cpp\)\(:.*:\)\(.*\)/\1\3/g" delete1.sh
2636 sed -i "s/\(.*\)\(:\)\([0-9]*\)\(:\)\(.*\)/\3 \1/g" new-1.sh
2637 fg
2638 fg
2639 sed -i "s/\(.*\.cpp\)\(:\)\([0-9]*\)\(:\)\(.*\)/sed -i \"\3s\/new\/HPR_NEW_NOTHROW\/g\"           \1/g" new-1.sh
2640 fg
2641 sed -i "s/\(.*\.h\)\(:\)\([0-9]*\)\(:\)\(.*\)/sed -i \"\3s\/new\/HPR_NEW_NOTHROW\/g\"           \1/g" new-1.sh
2642 fg
2643 sed -i "s/\(.*\.cxx\)\(:\)\([0-9]*\)\(:\)\(.*\)/sed -i \"\3s\/new\/HPR_NEW_NOTHROW\/g\"           \1/g" new-1.sh

sed -i "s/\(.*\.cpp\)\(:.*:\)\(.*\)/\1\3/g" delete1.sh

sed -i "s/\(.*\.cpp\)\(.*delete\)\(.*\)/delete\3 \1/g" delete1.sh

5186 sed -i "s/\(.*delete \)\(p.*\)\(;\)\(.*\)/\1\2;\/HPR_DELETE(\2);\/g\"\4/g" delete1.sh
5187 fg
5188 sed -i "s/\(.*delete \)\(m_.*\)\(;\)\(.*\)/\1\2;\/HPR_DELETE(\2);\/g\"\4/g" delete1.sh
5189 fg
5190 sed -i "s/\(.*delete \)\(g_.*\)\(;\)\(.*\)/\1\2;\/HPR_DELETE(\2);\/g\"\4/g" delete1.sh

sed全匹配单词替换：

sed -i 's/\<memalign\>/HPR_Memalign/g' b.txt

grep -w abc file

del_maohao()

{

    sed -i "s/\(.*\.cpp\):.*/\1/g" free.sh.bak

    sed -i "s/\(.*\.c\):.*/\1/g" free.sh.bak

    sed -i "s/\(.*\.h\):.*/\1/g" free.sh.bak

}

sed/grep匹配多个字符串的行打印

批量重命名

批量修改

sed -i "s/xml/gx_xml/g" `grep xml -rl .`

sed -i "s/libgx_xml.spec.in/libxml.spec.in/g" `grep libgx_xml.spec.in -rl .`

rename "s/xml/gx_xml/" *

rename "s/xml/gx_xml/" `find . -name "*xml*"`