diff showing only differences inside line

Multi tool use
I want to compare lines in two files, but to minimize noise in the output, I want only the actual differences in the lines to be printed.
For instance, given the two files below:
a.txt
a b c d e f g h i j k l m n o p q r s t u v w x y z
b.txt
a Ь c d e f g h i j k l m n o p q r s t u v w x y z
(the difference is only that the second line has a cyrillic character instead of a lowercase b
)
I want the output to be something like:
[-b-]{+Ь+}
Currently, the best approach I found was to use git diff --word-diff
, but it outputs the whole line:
a [-b-]{+Ь+} c d e f g h i j k l m n o p q r s t u v w x y z
Is there a more direct way to do it, other than manually parsing the output? Also, ideally I would prefer to use something more commonly available than git diff
, e.g. a POSIX shell tool that would not require the user to install extra packages.
shell-script diff
add a comment |
I want to compare lines in two files, but to minimize noise in the output, I want only the actual differences in the lines to be printed.
For instance, given the two files below:
a.txt
a b c d e f g h i j k l m n o p q r s t u v w x y z
b.txt
a Ь c d e f g h i j k l m n o p q r s t u v w x y z
(the difference is only that the second line has a cyrillic character instead of a lowercase b
)
I want the output to be something like:
[-b-]{+Ь+}
Currently, the best approach I found was to use git diff --word-diff
, but it outputs the whole line:
a [-b-]{+Ь+} c d e f g h i j k l m n o p q r s t u v w x y z
Is there a more direct way to do it, other than manually parsing the output? Also, ideally I would prefer to use something more commonly available than git diff
, e.g. a POSIX shell tool that would not require the user to install extra packages.
shell-script diff
It would be nice if you used an example where the differences were more visible. I had to squint to see that those two characters are not the same.
– Barmar
18 mins ago
Sorry, I added a note describing the difference between the lines.
– anol
14 mins ago
Why not just useb
andB
so it's obvious? I understand that this was probably the actual difference, but for purposes of the question you can make it easier.
– Barmar
4 mins ago
add a comment |
I want to compare lines in two files, but to minimize noise in the output, I want only the actual differences in the lines to be printed.
For instance, given the two files below:
a.txt
a b c d e f g h i j k l m n o p q r s t u v w x y z
b.txt
a Ь c d e f g h i j k l m n o p q r s t u v w x y z
(the difference is only that the second line has a cyrillic character instead of a lowercase b
)
I want the output to be something like:
[-b-]{+Ь+}
Currently, the best approach I found was to use git diff --word-diff
, but it outputs the whole line:
a [-b-]{+Ь+} c d e f g h i j k l m n o p q r s t u v w x y z
Is there a more direct way to do it, other than manually parsing the output? Also, ideally I would prefer to use something more commonly available than git diff
, e.g. a POSIX shell tool that would not require the user to install extra packages.
shell-script diff
I want to compare lines in two files, but to minimize noise in the output, I want only the actual differences in the lines to be printed.
For instance, given the two files below:
a.txt
a b c d e f g h i j k l m n o p q r s t u v w x y z
b.txt
a Ь c d e f g h i j k l m n o p q r s t u v w x y z
(the difference is only that the second line has a cyrillic character instead of a lowercase b
)
I want the output to be something like:
[-b-]{+Ь+}
Currently, the best approach I found was to use git diff --word-diff
, but it outputs the whole line:
a [-b-]{+Ь+} c d e f g h i j k l m n o p q r s t u v w x y z
Is there a more direct way to do it, other than manually parsing the output? Also, ideally I would prefer to use something more commonly available than git diff
, e.g. a POSIX shell tool that would not require the user to install extra packages.
shell-script diff
shell-script diff
edited 14 mins ago
anol
asked 9 hours ago
anolanol
378411
378411
It would be nice if you used an example where the differences were more visible. I had to squint to see that those two characters are not the same.
– Barmar
18 mins ago
Sorry, I added a note describing the difference between the lines.
– anol
14 mins ago
Why not just useb
andB
so it's obvious? I understand that this was probably the actual difference, but for purposes of the question you can make it easier.
– Barmar
4 mins ago
add a comment |
It would be nice if you used an example where the differences were more visible. I had to squint to see that those two characters are not the same.
– Barmar
18 mins ago
Sorry, I added a note describing the difference between the lines.
– anol
14 mins ago
Why not just useb
andB
so it's obvious? I understand that this was probably the actual difference, but for purposes of the question you can make it easier.
– Barmar
4 mins ago
It would be nice if you used an example where the differences were more visible. I had to squint to see that those two characters are not the same.
– Barmar
18 mins ago
It would be nice if you used an example where the differences were more visible. I had to squint to see that those two characters are not the same.
– Barmar
18 mins ago
Sorry, I added a note describing the difference between the lines.
– anol
14 mins ago
Sorry, I added a note describing the difference between the lines.
– anol
14 mins ago
Why not just use
b
and B
so it's obvious? I understand that this was probably the actual difference, but for purposes of the question you can make it easier.– Barmar
4 mins ago
Why not just use
b
and B
so it's obvious? I understand that this was probably the actual difference, but for purposes of the question you can make it easier.– Barmar
4 mins ago
add a comment |
1 Answer
1
active
oldest
votes
Using wdiff:
$ wdiff -3 a.txt b.txt
======================================================================
[-b-] {+Ь+}
======================================================================
The -3
or ---no-common
option will remove words that are common between the two files and only show the differences.
The ===...
banner (and empty lines) may be removed with grep
:
$ wdiff -3 a.txt b.txt | grep -vx '=*'
[-b-] {+Ь+}
wdiff
may also read unified diff
data if you give it the -d
or --diff-input
option, for example from git
:
git diff somefile | wdiff -d -3
Although wdiff
is not a POSIX tool, it is from GNU and commonly available.
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).
– scohe001
49 mins ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Using wdiff:
$ wdiff -3 a.txt b.txt
======================================================================
[-b-] {+Ь+}
======================================================================
The -3
or ---no-common
option will remove words that are common between the two files and only show the differences.
The ===...
banner (and empty lines) may be removed with grep
:
$ wdiff -3 a.txt b.txt | grep -vx '=*'
[-b-] {+Ь+}
wdiff
may also read unified diff
data if you give it the -d
or --diff-input
option, for example from git
:
git diff somefile | wdiff -d -3
Although wdiff
is not a POSIX tool, it is from GNU and commonly available.
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).
– scohe001
49 mins ago
add a comment |
Using wdiff:
$ wdiff -3 a.txt b.txt
======================================================================
[-b-] {+Ь+}
======================================================================
The -3
or ---no-common
option will remove words that are common between the two files and only show the differences.
The ===...
banner (and empty lines) may be removed with grep
:
$ wdiff -3 a.txt b.txt | grep -vx '=*'
[-b-] {+Ь+}
wdiff
may also read unified diff
data if you give it the -d
or --diff-input
option, for example from git
:
git diff somefile | wdiff -d -3
Although wdiff
is not a POSIX tool, it is from GNU and commonly available.
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).
– scohe001
49 mins ago
add a comment |
Using wdiff:
$ wdiff -3 a.txt b.txt
======================================================================
[-b-] {+Ь+}
======================================================================
The -3
or ---no-common
option will remove words that are common between the two files and only show the differences.
The ===...
banner (and empty lines) may be removed with grep
:
$ wdiff -3 a.txt b.txt | grep -vx '=*'
[-b-] {+Ь+}
wdiff
may also read unified diff
data if you give it the -d
or --diff-input
option, for example from git
:
git diff somefile | wdiff -d -3
Although wdiff
is not a POSIX tool, it is from GNU and commonly available.
Using wdiff:
$ wdiff -3 a.txt b.txt
======================================================================
[-b-] {+Ь+}
======================================================================
The -3
or ---no-common
option will remove words that are common between the two files and only show the differences.
The ===...
banner (and empty lines) may be removed with grep
:
$ wdiff -3 a.txt b.txt | grep -vx '=*'
[-b-] {+Ь+}
wdiff
may also read unified diff
data if you give it the -d
or --diff-input
option, for example from git
:
git diff somefile | wdiff -d -3
Although wdiff
is not a POSIX tool, it is from GNU and commonly available.
edited 27 mins ago
bdsl
1553
1553
answered 9 hours ago


KusalanandaKusalananda
124k16236387
124k16236387
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).
– scohe001
49 mins ago
add a comment |
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).
– scohe001
49 mins ago
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:
alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).– scohe001
49 mins ago
It might be worth noting that if your terminal supports ANSI escapes, you can make wdiff print fancy colored output that's (imo) easier to read with this in your bashrc:
alias wdiff="wdiff -n -w $'33[30;41m' -x $'33[0m' -y $'33[30;42m' -z $'33[0m'"
(taken from here).– scohe001
49 mins ago
add a comment |
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x PG6j1escVQ,SOFsbW
It would be nice if you used an example where the differences were more visible. I had to squint to see that those two characters are not the same.
– Barmar
18 mins ago
Sorry, I added a note describing the difference between the lines.
– anol
14 mins ago
Why not just use
b
andB
so it's obvious? I understand that this was probably the actual difference, but for purposes of the question you can make it easier.– Barmar
4 mins ago