From c175751b501a3a4cb40ad4787340a597ea769be4 Mon Sep 17 00:00:00 2001 From: Tanaka Akira Date: Thu, 15 Apr 1999 18:05:35 +0000 Subject: Initial revision --- Misc/c2z | 128 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100755 Misc/c2z (limited to 'Misc/c2z') diff --git a/Misc/c2z b/Misc/c2z new file mode 100755 index 000000000..8a90d5fd8 --- /dev/null +++ b/Misc/c2z @@ -0,0 +1,128 @@ +#! /bin/sh +# +# c2z - environment conversion tool +# Contributed by Bart Schaefer +# (Tweaked a bit by Paul Falstad) +# +# This is a quick script to convert csh aliases to zsh aliases/functions. +# It also converts the csh environment and local variables to zsh. c2z +# uses the csh to parse its own dot-files, then processes csh output to +# convert the csh settings to zsh. +# +# When run as a zsh fuction, c2z runs csh as if it were an interactive +# shell whenever the parent zsh is interactive. When run as a shell +# script, the -i switch can be used to force this behavior. +# +# The -l (login) switch causes csh to run as if it were a login shell. +# This is done "properly" if c2z is used as a zsh function, otherwise +# it's faked by explicitly sourcing .login. Use with caution if your +# .login initializes an X server or does other one-time-only startup +# procedures. +# +# usage: +# c2z [-i | -l | filename] +# +# You can use this script in your .zshrc or .zlogin files to load your +# regular csh environment into zsh; for example, in .zlogin: +# +# . =(c2z -l) +# +# This is not perfect, but it gets most common aliases and variables. +# It's also rather time-consuming to do this every time you log in. +# However, if you're moving from csh to zsh for the first time, this +# can get you started with a familiar environment right away. +# +# In case your mailer eats tabs, $T is set to expand to a tab. +# +T="`echo x | tr x '\011'`" + +# If we're zsh, we can run "- csh" to get the complete environment. +# +MINUS="" +LOADFILE="" +INTERACT="" +CSH=csh +case "$ZSH_NAME$ZSH_VERSION$VERSION" in +zsh*) + case $1 in + -l*) MINUS="-" ;; + -i*) INTERACT="-i" ;; + *) LOADFILE="source $1" CSH="csh -f";; + esac + if [[ -o INTERACTIVE ]]; then INTERACT="-i"; fi + setopt nobanghist + ;; +*) + case $1 in + -l*) LOADFILE="source ~/.login" ;; + -i*) INTERACT="-i" ;; + *) LOADFILE="source $1" CSH="csh -f";; + esac + ;; +esac + +( eval $MINUS $CSH $INTERACT ) <&1 >/dev/null +$LOADFILE +alias >! /tmp/cz$$.a +setenv >! /tmp/cz$$.e +set >! /tmp/cz$$.v +EOF + +# save stdin +exec 9<&0 + +# First convert aliases +exec < /tmp/cz$$.a + +# Taken straight from ctoz except for $T and "alias --" +sed -e 's/'"$T"'(\(.*\))/'"$T"'\1/' >/tmp/cz$$.1 +grep ! /tmp/cz$$.1 >/tmp/cz$$.2 +grep -v ! /tmp/cz$$.1 >/tmp/cz$$.3 +sed -e "s/'/'"\\\\"''"/g \ + -e 's/^\([^'"$T"']*\)'"$T"'\(.*\)$/alias -- \1='"'\2'/" \ + /tmp/cz$$.3 +sed -e 's/![:#]*/$/g' \ + -e 's/\$cwd/$PWD/' \ + -e 's/^\([^'"$T"']*\)'"$T"'\(.*\)$/\1 () { \2 }/' \ + /tmp/cz$$.2 + +# Next, convert environment variables +exec < /tmp/cz$$.e + +# Would be nice to deal with embedded newlines, e.g. in TERMCAP, but ... +sed -e '/^SHLVL/d' \ + -e '/^PWD/d' \ + -e "s/'/'"\\\\"''"/g \ + -e "s/^\([A-Za-z0-9_]*=\)/export \1'/" \ + -e "s/$/'/" + +# Finally, convert local variables +exec < /tmp/cz$$.v + +sed -e 's/'"$T"'/=/' \ + -e "s/'/'"\\\\"''"/g \ + -e '/^[A-Za-z0-9_]*=[^(]/{ + s/=/='"'/"' + s/$/'"'/"' + }' | +sed -e '/^argv=/d' -e '/^cwd=/d' -e '/^filec=/d' -e '/^status=/d' \ + -e '/^autolist=/s/.*/setopt autolist/' \ + -e '/^correct=all/s//setopt correctall/' \ + -e '/^correct=/s//setopt correct/' \ + -e '/^histchars=/s//HISTCHARS=/' \ + -e '/^history=/s//HISTSIZE=/' \ + -e '/^home=/s//HOME=/' \ + -e '/^ignoreeof=/s/.*/setopt ignoreeof/' \ + -e '/^noclobber=/s/.*/setopt noclobber/' \ + -e '/^notify=/d' \ + -e '/^prompt=/s/!/%h/' \ + -e 's/^prompt/PROMPT/' \ + -e '/^showdots=/s/.*/setopt globdots/' \ + -e '/^savehist=/s//HISTFILE=\~\/.zhistory SAVEHIST=/' \ + -e '/^who=/s//WATCHFMT=/' + + +exec 0<&9 + +rm /tmp/cz$$.? +exit -- cgit 1.4.1