HISTFILE in zsh

Sun Dec 24 23:37:00 GMT 2006

Eli Barzilay <eli@barzilay.org> writes:
> I'm having the same problem that is described at
>> http://www.cygwin.com/ml/cygwin/2004-12/msg00195.html
>> I'm surprised that it was reported in 2004 -- I use cygwin on several
> machines with no problems, it's only a new one that is having the
> above symptom.
>> (Which is related to saving/loading the history file -- `fc -R foo'
> and `fc -W foo' also hang. Using strace, it looks like the problem is
> some kind of an infinite loop that is related to a lock file for the
> history file.)

In case anyone else runs into this problem -- the best solution I
could find is to just avoid loading/saving the history, and do it
instead using my own hack -- listed below for reference:
 MYHISTFILE="$HISTFILE"
 unset HISTFILE
 
 while read L; do
 print -s "$L"
 done < "$MYHISTFILE"
 
 TRAPEXIT() {
 if [[ "$HISTCMD" != "0" ]]; then
 echo "Saving history..."
 if [[ ! -e "$MYHISTFILE" ]]; then touch "$MYHISTFILE"; fi
 fc -ln 0 -1 >> "$MYHISTFILE"
 rm -f "$MYHISTFILE-$$"
 tail -n "$SAVEHIST" "$MYHISTFILE" > "$MYHISTFILE-$$"
 cat "$MYHISTFILE-$$" > "$MYHISTFILE"
 rm -f "$MYHISTFILE-$$"
 fi
 }
-- 
 ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:
 http://www.barzilay.org/ Maze is Life!
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