Awk 将图案添加到每列的末尾
假设我有一个类似于此格式的文件:Awk 将图案添加到每列的末尾,awk,sed,Awk,Sed,假设我有一个类似于此格式的文件: "pop","hand stuff","test " "non","no way","good " 除了只有3列之外,它还有数百列。我想在每一列的末尾添加@,这样输出就 "pop@","hand stuff@","test @" "non@","no way@","good @" 如果我只有一小部分专栏,那么我就可以做到 awk -F"," vOFS=, '{print $1"@",$2"@",$3"@"}' 但是如果我有很多列,并且我不想在awk脚本中指
"pop","hand stuff","test "
"non","no way","good "
除了只有3列之外,它还有数百列。我想在每一列的末尾添加@,这样输出就
"pop@","hand stuff@","test @"
"non@","no way@","good @"
如果我只有一小部分专栏,那么我就可以做到
awk -F"," vOFS=, '{print $1"@",$2"@",$3"@"}'
但是如果我有很多列,并且我不想在awk脚本中指定每一列,我该怎么做呢 您可以使用awk的gsub函数,如下所示
awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1' file
例如:
$ echo '"pop","hand stuff","test "' | awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1'
"pop@","hand stuff@","test @"
您可以使用awk的gsub函数,如下所示
awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1' file
例如:
$ echo '"pop","hand stuff","test "' | awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1'
"pop@","hand stuff@","test @"
您可以使用awk的gsub函数,如下所示
awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1' file
例如:
$ echo '"pop","hand stuff","test "' | awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1'
"pop@","hand stuff@","test @"
您可以使用awk的gsub函数,如下所示
awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1' file
例如:
$ echo '"pop","hand stuff","test "' | awk '{gsub(/",/, "@\",");sub(/"$/, "@\"")}1'
"pop@","hand stuff@","test @"
只要您的列不包含疯狂的数据(具体地说,
\”,
嵌入到字符串中),sed就更容易:
OSX/BSD:
sed -E 's/"(,|$)/@"\1/g'
GNU:
只要您的列不包含疯狂的数据(具体地说,
\”,
嵌入到字符串中),sed就更容易:
OSX/BSD:
sed -E 's/"(,|$)/@"\1/g'
GNU:
只要您的列不包含疯狂的数据(具体地说,
\”,
嵌入到字符串中),sed就更容易:
OSX/BSD:
sed -E 's/"(,|$)/@"\1/g'
GNU:
只要您的列不包含疯狂的数据(具体地说,
\”,
嵌入到字符串中),sed就更容易:
OSX/BSD:
sed -E 's/"(,|$)/@"\1/g'
GNU:
这个awk代码片段会让你
“pop”、“hand stuff”、“test”
而不是“pop”、“hand stuff”、“test”
只是为了记录。对于(i=0;i
这个awk代码片段会让你“pop”、“hand stuff”、“test”
而不是“pop”、“hand stuff”、“test”
只是为了记录。对于(i=0;i
那个awk片段会让你“pop”;“hand stuff”;“test”
而不是“pop”;“hand stuff”;“test”
只是为了记录。对于(i=0;i
那个awk片段会让你“pop”;“hand stuff”;“test”
而不是“pop”;“hand stuff”;“test”;“test”
仅用于记录。用于(i=0;i