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new line not append instead append on the end of the line
2019 Community Moderator ElectionHow to add a newline to the end of a file?awk not doing a new lineTransferring a variable from one file to anotherVar1 is set to contents of command executed, how to set Var2 to be the command from Var1How to pass multiple arguments through ssh and use those arguments in the ssh script?In bash, how to delay interpolation of a variable that has a dynamic variable within its stringHow to iterate a command with two different variables?Add (prepend) line to file, if parameter is not already existingappend text with echo without new lineBash - How to access a variable with a number suffix using a FOR loopShell script to create one file and append the results
we gave the following config file ( config.txt )
more config.txt
export var1=345476746
but when I am appending new parameter as
echo "export var2=5645" >> config.txt
we get
more config.txt
export var1=345476746export var2=5645
how to avoid this?
so we get
more config.txt
export var1=345476746
export var2=5645
linux bash shell-script shell
asked 19 hours ago
yaelyael
2,73422575
add a comment |
we gave the following config file ( config.txt )
more config.txt
export var1=345476746
but when I am appending new parameter as
echo "export var2=5645" >> config.txt
we get
more config.txt
export var1=345476746export var2=5645
how to avoid this?
so we get
more config.txt
export var1=345476746
export var2=5645
linux bash shell-script shell
asked 19 hours ago
yaelyael
2,73422575
2
config.txthas no newline at the end of the file. Fix that or simply add one before addingvar2.
– RoVo
19 hours ago
still not understand how to add "n" on each line , seems that last line isn't with "n"
– yael
19 hours ago
If your text file is generated by common text editors in Unix, there should be a newline in the end of the file because that is required by the POSIX standard. Invim, files withoutnin the last line is indicated in the status line by[noeol].
– Weijun Zhou
19 hours ago
possible duplicate of How to add a newline to the end of a file?
– Stéphane Chazelas
14 hours ago
See also What's the point in adding a new line to the end of a file?
– Stéphane Chazelas
14 hours ago
add a comment |
we gave the following config file ( config.txt )
more config.txt
export var1=345476746
but when I am appending new parameter as
echo "export var2=5645" >> config.txt
we get
more config.txt
export var1=345476746export var2=5645
how to avoid this?
so we get
more config.txt
export var1=345476746
export var2=5645
linux bash shell-script shell
asked 19 hours ago
yaelyael
2,73422575
we gave the following config file ( config.txt )
more config.txt
export var1=345476746
but when I am appending new parameter as
echo "export var2=5645" >> config.txt
we get
more config.txt
export var1=345476746export var2=5645
how to avoid this?
so we get
more config.txt
export var1=345476746
export var2=5645
linux bash shell-script shell
linux bash shell-script shell
asked 19 hours ago
yaelyael
2,73422575
asked 19 hours ago
yaelyael
2,73422575
asked 19 hours ago
yaelyael
2,73422575
asked 19 hours ago
yaelyael
2,73422575
asked 19 hours ago
yaelyael
2,73422575
2,73422575
2
config.txthas no newline at the end of the file. Fix that or simply add one before addingvar2.
– RoVo
19 hours ago
still not understand how to add "n" on each line , seems that last line isn't with "n"
– yael
19 hours ago
If your text file is generated by common text editors in Unix, there should be a newline in the end of the file because that is required by the POSIX standard. Invim, files withoutnin the last line is indicated in the status line by[noeol].
– Weijun Zhou
19 hours ago
possible duplicate of How to add a newline to the end of a file?
– Stéphane Chazelas
14 hours ago
See also What's the point in adding a new line to the end of a file?
– Stéphane Chazelas
14 hours ago
add a comment |
2
config.txthas no newline at the end of the file. Fix that or simply add one before addingvar2.
– RoVo
19 hours ago
still not understand how to add "n" on each line , seems that last line isn't with "n"
– yael
19 hours ago
If your text file is generated by common text editors in Unix, there should be a newline in the end of the file because that is required by the POSIX standard. Invim, files withoutnin the last line is indicated in the status line by[noeol].
– Weijun Zhou
19 hours ago
possible duplicate of How to add a newline to the end of a file?
– Stéphane Chazelas
14 hours ago
See also What's the point in adding a new line to the end of a file?
– Stéphane Chazelas
14 hours ago
2
2
config.txt has no newline at the end of the file. Fix that or simply add one before adding var2.– RoVo
19 hours ago
config.txt has no newline at the end of the file. Fix that or simply add one before adding var2.– RoVo
19 hours ago
still not understand how to add "n" on each line , seems that last line isn't with "n"
– yael
19 hours ago
still not understand how to add "n" on each line , seems that last line isn't with "n"
– yael
19 hours ago
If your text file is generated by common text editors in Unix, there should be a newline in the end of the file because that is required by the POSIX standard. In
vim, files without n in the last line is indicated in the status line by [noeol].– Weijun Zhou
19 hours ago
If your text file is generated by common text editors in Unix, there should be a newline in the end of the file because that is required by the POSIX standard. In
vim, files without n in the last line is indicated in the status line by [noeol].– Weijun Zhou
19 hours ago
possible duplicate of How to add a newline to the end of a file?
– Stéphane Chazelas
14 hours ago
possible duplicate of How to add a newline to the end of a file?
– Stéphane Chazelas
14 hours ago
See also What's the point in adding a new line to the end of a file?
– Stéphane Chazelas
14 hours ago
See also What's the point in adding a new line to the end of a file?
– Stéphane Chazelas
14 hours ago
add a comment |
2 Answers
2
active
oldest
votes
Probably you should have inserted the text export var1=345476746 with -n option initially.
-n
do not output the trailing newline
Example :
echo -n "export var1=345476746" > config.txt
echo "export var2=5645" >> config.txt
Results :
# more config.txt
export var1=345476746export var2=5645
answered 14 hours ago
msp9011msp9011
4,44344167
add a comment |
Your config.txt has no newline at the end of the file.
The posix standard says there should be:
3.206 Line
A sequence of zero or more non- characters plus a terminating <newline> character.
You can add a new line, e.g.:
sed -i -e '$a' config.txt
This will add a new line only when there is not already one at the end.
In your case a simple echo >> config.txt would do the job.
answered 19 hours ago
RoVoRoVo
3,332317
A simpleecho >> config.txtshould do the work if it is just missing the finaln.
– Weijun Zhou
19 hours ago
1
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Probably you should have inserted the text export var1=345476746 with -n option initially.
-n
do not output the trailing newline
Example :
echo -n "export var1=345476746" > config.txt
echo "export var2=5645" >> config.txt
Results :
# more config.txt
export var1=345476746export var2=5645
answered 14 hours ago
msp9011msp9011
4,44344167
add a comment |
Probably you should have inserted the text export var1=345476746 with -n option initially.
-n
do not output the trailing newline
Example :
echo -n "export var1=345476746" > config.txt
echo "export var2=5645" >> config.txt
Results :
# more config.txt
export var1=345476746export var2=5645
answered 14 hours ago
msp9011msp9011
4,44344167
add a comment |
Probably you should have inserted the text export var1=345476746 with -n option initially.
-n
do not output the trailing newline
Example :
echo -n "export var1=345476746" > config.txt
echo "export var2=5645" >> config.txt
Results :
# more config.txt
export var1=345476746export var2=5645
answered 14 hours ago
msp9011msp9011
4,44344167
Probably you should have inserted the text export var1=345476746 with -n option initially.
-n
do not output the trailing newline
Example :
echo -n "export var1=345476746" > config.txt
echo "export var2=5645" >> config.txt
Results :
# more config.txt
export var1=345476746export var2=5645
answered 14 hours ago
msp9011msp9011
4,44344167
answered 14 hours ago
msp9011msp9011
4,44344167
answered 14 hours ago
msp9011msp9011
4,44344167
answered 14 hours ago
msp9011msp9011
4,44344167
4,44344167
add a comment |
add a comment |
Your config.txt has no newline at the end of the file.
The posix standard says there should be:
3.206 Line
A sequence of zero or more non- characters plus a terminating <newline> character.
You can add a new line, e.g.:
sed -i -e '$a' config.txt
This will add a new line only when there is not already one at the end.
In your case a simple echo >> config.txt would do the job.
answered 19 hours ago
RoVoRoVo
3,332317
A simpleecho >> config.txtshould do the work if it is just missing the finaln.
– Weijun Zhou
19 hours ago
1
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
add a comment |
Your config.txt has no newline at the end of the file.
The posix standard says there should be:
3.206 Line
A sequence of zero or more non- characters plus a terminating <newline> character.
You can add a new line, e.g.:
sed -i -e '$a' config.txt
This will add a new line only when there is not already one at the end.
In your case a simple echo >> config.txt would do the job.
answered 19 hours ago
RoVoRoVo
3,332317
A simpleecho >> config.txtshould do the work if it is just missing the finaln.
– Weijun Zhou
19 hours ago
1
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
add a comment |
Your config.txt has no newline at the end of the file.
The posix standard says there should be:
3.206 Line
A sequence of zero or more non- characters plus a terminating <newline> character.
You can add a new line, e.g.:
sed -i -e '$a' config.txt
This will add a new line only when there is not already one at the end.
In your case a simple echo >> config.txt would do the job.
answered 19 hours ago
RoVoRoVo
3,332317
Your config.txt has no newline at the end of the file.
The posix standard says there should be:
3.206 Line
A sequence of zero or more non- characters plus a terminating <newline> character.
You can add a new line, e.g.:
sed -i -e '$a' config.txt
This will add a new line only when there is not already one at the end.
In your case a simple echo >> config.txt would do the job.
answered 19 hours ago
RoVoRoVo
3,332317
edited 13 hours ago
answered 19 hours ago
RoVoRoVo
3,332317
answered 19 hours ago
RoVoRoVo
3,332317
answered 19 hours ago
RoVoRoVo
3,332317
3,332317
A simpleecho >> config.txtshould do the work if it is just missing the finaln.
– Weijun Zhou
19 hours ago
1
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
add a comment |
A simpleecho >> config.txtshould do the work if it is just missing the finaln.
– Weijun Zhou
19 hours ago
1
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
A simple
echo >> config.txt should do the work if it is just missing the final n.– Weijun Zhou
19 hours ago
A simple
echo >> config.txt should do the work if it is just missing the final n.– Weijun Zhou
19 hours ago
1
1
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
In this case yes, but it will append a newline if it's missing or not.
– RoVo
18 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
It's quite inefficient though and is not without side effect (like breaking symlinks, hardlinks, possibly changing file owership) as it makes full copy of the file.
– Stéphane Chazelas
14 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
@Stéphane, If you have a better idea, you could post it on unix.stackexchange.com/questions/31947/…, or comment on the highest voted answer.
– RoVo
13 hours ago
add a comment |
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2
config.txthas no newline at the end of the file. Fix that or simply add one before addingvar2.– RoVo
19 hours ago
still not understand how to add "n" on each line , seems that last line isn't with "n"
– yael
19 hours ago
If your text file is generated by common text editors in Unix, there should be a newline in the end of the file because that is required by the POSIX standard. In
vim, files withoutnin the last line is indicated in the status line by[noeol].– Weijun Zhou
19 hours ago
possible duplicate of How to add a newline to the end of a file?
– Stéphane Chazelas
14 hours ago
See also What's the point in adding a new line to the end of a file?
– Stéphane Chazelas
14 hours ago