Hi, I'm writing a set of small utilities as scripts, and I got a
segmentation fault working on one of them.
The script is suppoused to align text with spaces. Say you have this file:
Foo1\tFoo2
Baaaaaaaaaaaar\tBar2
Baz
Where \t are horizontal tabs. My script would replace the tabs with an
adequate number of spaces to align foo2 and bar2.
Right now it works with a file named "file" in the working directory.
Of course this is only temporal.
The problem is that I get a segmentation fault when I run it. That
never happened to me with a shell script. And I can't see where should
be a problem.
I'm running OpenBSD 4.1-stable, GENERIC, i386. I don't know if it's
important, but I didn't create a swap partition (I'm planning to
change this).
If someone could light me, I'd be very grateful.
Here is the script:
#!/bin/sh
IFS='
'
file=file
for line in `< "${file}"`; do
fields=`printf '%s' "${line}" | sed 's/[^ ]//g' | wc -m`
fields=$((${fields} + 1))
if [ "${fields}" -eq 1 ]; then
printf '%s' "${line}"
else
for field in `jot "${fields}"`; do
max_width=`cut -f "${field}" "${file}" | awk '{ l =
length($0); if
(l > m) m = l } END { print m }'`
width=`printf '%s' "${line}" | cut -f "${field}" | awk
'{ print
length($0) }'`
printf '%s' "`printf '%s' "${line}" | cut -f
"${field}"`"
if [ "${field}" -lt "${fields}" ]; then
for i in `jot "$((${max_width} - ${width}))"`;
do
printf '.'
done
fi
done
fi
printf '\n'
done
