perf: auto detect seq(1) and jot(1) - scroll - scrollbackbuffer program for st

git clone git://git.suckless.org/scroll

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---

commit 0e11225a775979a1c42c9b7881f250e2a0092c13

parent 117d7db63f8b0c6fb4c00f1003d2577538a9f517

Author: Jan Klemkow 

Date:   Sun,  3 May 2020 22:37:40 +0200

perf: auto detect seq(1) and jot(1)

makes perf.sh more portable

Diffstat:
  M perf.sh                             |      13 +++++++++----

1 file changed, 9 insertions(+), 4 deletions(-)
---

diff --git a/perf.sh b/perf.sh

@@ -3,21 +3,26 @@
 set -eu
 
 num=1000000
+seq=seq
+
+if [ -x /usr/bin/jot ]; then
+        seq=jot
+fi
 
 rm -f perf_*.log
 
-for i in `jot 10`; do
+for i in `$seq 10`; do
         /usr/bin/time st -e                      jot $num 2>>perf_0.log
 done
 
-for i in `jot 10`; do
+for i in `$seq 10`; do
         /usr/bin/time st -e ./ptty               jot $num 2>>perf_1.log
 done
 
-for i in `jot 10`; do
+for i in `$seq 10`; do
         /usr/bin/time st -e ./ptty ./ptty        jot $num 2>>perf_2.log
 done
 
-for i in `jot 10`; do
+for i in `$seq 10`; do
         /usr/bin/time st -e ./ptty ./ptty ./ptty jot $num 2>>perf_3.log
 done