Messages in this thread Patch in this message | | | From | Michael Forney <> | Subject | [PATCH] locking/atomics: Use sed(1) instead of non-standard head(1) option | Date | Mon, 17 Jun 2019 22:33:06 -0700 |
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POSIX says the -n option must be a positive decimal integer. Not all implementations of head(1) support negative numbers meaning offset from the end of the file.
Instead, the sed expression '$d' has the same effect of removing the last line of the file.
Signed-off-by: Michael Forney <mforney@mforney.org> --- scripts/atomic/check-atomics.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh index cfa0c2f71c84..8378c63a1e09 100755 --- a/scripts/atomic/check-atomics.sh +++ b/scripts/atomic/check-atomics.sh @@ -22,7 +22,7 @@ while read header; do OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" OLDSUM="${OLDSUM#// }" - NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} | sha1sum)" + NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)" NEWSUM="${NEWSUM%% *}" if [ "${OLDSUM}" != "${NEWSUM}" ]; then -- 2.20.1
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