[PATCH] ver_linux: jfsutils.patch

[Alexander Kapshuk]

Not to be critical of anyone, I believe that using 'grep' along with
'sed', and 'awk' in this kind of context as a one-off quick solution to
be run on the command line may very well be justified.
However, in a script, 'awk' or 'sed' are more than capable of doing most
of the things we may be looking to achieve by using a combination of
'grep', 'sed', and 'awk'.

The proposed implementation relies on 'sed' to perform all the text
processing required.

Tested on:
Arch Linux

Signed-off-by: Alexander Kapshuk 
---

--- linux/scripts/ver_linux.orig2015-08-30 21:34:09.0 +0300
+++ linux/scripts/ver_linux2015-09-30 22:42:39.748757706 +0300
@@ -30,8 +30,14 @@
 tune2fs 2>&1 | grep "^tune2fs" | sed 's/,//' |  awk \
 'NR==1 {print "e2fsprogs ", $2}'

-fsck.jfs -V 2>&1 | grep version | sed 's/,//' |  awk \
-'NR==1 {print "jfsutils  ", $3}'
+fsck.jfs -V 2>&1 |
+sed '
+/version/!d
+s/.*version[ \t]//
+s/[ \t].*//
+s/[^0-9]$//
+s/^/jfsutils\t/
+'

 reiserfsck -V 2>&1 | grep ^reiserfsck | awk \
 'NR==1{print "reiserfsprogs ", $2}'
--
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[PATCH] ver_linux: jfsutils.patch

[Alexander Kapshuk]

Not to be critical of anyone, I believe that using 'grep' along with
'sed', and 'awk' in this kind of context as a one-off quick solution to
be run on the command line may very well be justified.
However, in a script, 'awk' or 'sed' are more than capable of doing most
of the things we may be looking to achieve by using a combination of
'grep', 'sed', and 'awk'.

The proposed implementation relies on 'sed' to perform all the text
processing required.

Tested on:
Arch Linux

Signed-off-by: Alexander Kapshuk 
---

--- linux/scripts/ver_linux.orig2015-08-30 21:34:09.0 +0300
+++ linux/scripts/ver_linux2015-09-30 22:42:39.748757706 +0300
@@ -30,8 +30,14 @@
 tune2fs 2>&1 | grep "^tune2fs" | sed 's/,//' |  awk \
 'NR==1 {print "e2fsprogs ", $2}'

-fsck.jfs -V 2>&1 | grep version | sed 's/,//' |  awk \
-'NR==1 {print "jfsutils  ", $3}'
+fsck.jfs -V 2>&1 |
+sed '
+/version/!d
+s/.*version[ \t]//
+s/[ \t].*//
+s/[^0-9]$//
+s/^/jfsutils\t/
+'

 reiserfsck -V 2>&1 | grep ^reiserfsck | awk \
 'NR==1{print "reiserfsprogs ", $2}'
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/