Bash 如何使用sed在特定单词后添加单引号？
我正试图写一个脚本，在一个“好”字后加上一个引号。 例如，我有文件1：Bash 如何使用sed在特定单词后添加单引号？,bash,shell,awk,sed,scripting,Bash,Shell,Awk,Sed,Scripting,我正试图写一个脚本，在一个“好”字后加上一个引号。 例如，我有文件1： //WER GOOD=1 //WER1 GOOD=TWO2 //PR1良好=THR45 … 所需的更改是添加单引号： //wergood='ONE' //我们都很好 //PR1良好class='THR45' … 这是我正在尝试运行的脚本： #!/bin/bash for item in `grep "GOOD" file1 | cut -f2 -d '='` do sed -i 's/$item/`\$item/`\/
//WER GOOD=1
//WER1 GOOD=TWO2
//PR1良好=THR45
…//wergood='ONE'
//我们都很好
//PR1良好class='THR45'
…#!/bin/bash
for item in `grep "GOOD" file1 | cut -f2 -d '='`
do
sed -i 's/$item/`\$item/`\/g' file1
done
提前感谢您的帮助 你能试试下面的吗
sed "s/\(.*=\)\(.*\)/\1'\2'/" Input_file
sed "s/\(.*=\)\(.*\)/\1'\2'/;/^$/d" Input_file
sed " ##Starting sed command from here.
s/ ##Using s to start substitution process from here.
\(.*=\)\(.*\) ##Using sed buffer capability to store matched regex into memory, saving everything till = in 1st buffer and rest of line in 2nd memory buffer.
/\1'\2' ##Now substituting 1st and 2nd memory buffers with \1'\2' as per OP need adding single quotes before = here.
/" Input_file ##Closing block for substitution, mentioning Input_file name here.
-i使用awk的第二个解决方案： 解释：为上述代码添加解释
awk '
match($0,/=.*/){ ##Using match function to mmatch everything from = to till end of line.
$0=substr($0,1,RSTART) "\047" substr($0,RSTART+1,RLENGTH) "\047" ##Creating value of $0 with sub-strings till value of RSTART and adding ' then sub-strings till end of line adding ' then as per OP need.
} ##Where RSTART and RLENGTH are variables which will be SET once a TRUE matched regex is found.
1 ##1 will print edited/non-edited line.
' Input_file ##Mentioning Input_file name here.
第三种解决方案：如果您的输入文件中只有两个字段，请在
awkawk 'BEGIN{FS=OFS="="} {$2="\047" $2 "\047"} 1' Input_file
awk ' ##Starting awk program here.
BEGIN{FS=OFS="="} ##Setting FS and OFS values as = for all line for Input_file here.
{$2="\047" $2 "\047"} ##Setting $2 value with adding a ' $2 and then ' as per OP need.
1 ##Mentioning 1 will print edited/non-edited lines here.
' Input_file ##Mentioning Input_file name here.
你能试试下面的吗
sed "s/\(.*=\)\(.*\)/\1'\2'/" Input_file
sed "s/\(.*=\)\(.*\)/\1'\2'/;/^$/d" Input_file
sed " ##Starting sed command from here.
s/ ##Using s to start substitution process from here.
\(.*=\)\(.*\) ##Using sed buffer capability to store matched regex into memory, saving everything till = in 1st buffer and rest of line in 2nd memory buffer.
/\1'\2' ##Now substituting 1st and 2nd memory buffers with \1'\2' as per OP need adding single quotes before = here.
/" Input_file ##Closing block for substitution, mentioning Input_file name here.
-i使用awk的第二个解决方案： 解释：为上述代码添加解释
awk '
match($0,/=.*/){ ##Using match function to mmatch everything from = to till end of line.
$0=substr($0,1,RSTART) "\047" substr($0,RSTART+1,RLENGTH) "\047" ##Creating value of $0 with sub-strings till value of RSTART and adding ' then sub-strings till end of line adding ' then as per OP need.
} ##Where RSTART and RLENGTH are variables which will be SET once a TRUE matched regex is found.
1 ##1 will print edited/non-edited line.
' Input_file ##Mentioning Input_file name here.
第三种解决方案：如果您的输入文件中只有两个字段，请在
awkawk 'BEGIN{FS=OFS="="} {$2="\047" $2 "\047"} 1' Input_file
awk ' ##Starting awk program here.
BEGIN{FS=OFS="="} ##Setting FS and OFS values as = for all line for Input_file here.
{$2="\047" $2 "\047"} ##Setting $2 value with adding a ' $2 and then ' as per OP need.
1 ##Mentioning 1 will print edited/non-edited lines here.
' Input_file ##Mentioning Input_file name here.
胡言乱语13-感谢您的回复！我使用了您提供的第一个sed命令，它添加了quote fine。但是，在添加报价后，它会在下面多创建一个空间。因此，我尝试按如下方式将：space:添加到sed命令：
sed“s/\（.*=\）\（.*\）[[：space:]/\1'\2'/“Input\u文件cat-v输入文件cat-v输入文件%%WER//WERsed（.*\）sed“s/\（.*=\）\（.*\）[[：space:]/\1'\2'/“Input\u文件cat-v输入文件cat-v输入文件%%WER//WERsed（.*\）