This is a script which you can use to call SJBtime:
#!/bin/bash
# split single Freqencys in segments
# calls "sjbtime"
# output: *.000s to *.999s
#
#COUNT=0
LENGTH=$1
DIFF=$2
SAVEPATH=./split
mkdir $SAVEPATH
for FILE in *.frq.*
do
echo sjbtime $FILE $LENGTH $DIFF
bunzip2 -q $FILE
mv $FILE.out $FILE
sjbtime $FILE $LENGTH $DIFF
mv $FILE $SAVEPATH
done