怎样用sed在每一行的指定字符前添加内容

junweitao

CompileFile -type vhdl -library LTE_ECSC_LIB
想在-library 前添加内容，怎么做？

moperyblue

1. echo 'CompileFile -type vhdl -library LTE_ECSC_LIB '|sed 's/-library/xxx &/'  

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?

fh21_xuejinlian

echo "CompileFile -type vhdl -library LTE_ECSC_LIB"  | awk '{sub("-library","-librarysomething")}1'

jcdiy0601

1. sed 's/-library/test &/' file
   
2. CompileFile -type vhdl test -library LTE_ECSC_LIB
   
3. 
   
4. awk 'BEGIN{FS=OFS="-library"}{print $1" test ",$2}' file
   
5. CompileFile -type vhdl  test -library LTE_ECSC_LIB

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