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tracefile: Unique files.

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Ole Tange 2012-03-17 02:31:00 +01:00
parent f6a63f3cea
commit 76013526c1
1 changed files with 7 additions and 2 deletions
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9
tracefile/tracefile
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@ -4,7 +4,7 @@
# tracefile - list files being accessed # tracefile - list files being accessed
# #
# SYNOPSIS # SYNOPSIS
# tracefile [-ane] command # tracefile [-aenu] command
# #
# DESCRIPTION # DESCRIPTION
# tracefile will print the files being accessed by the command. # tracefile will print the files being accessed by the command.
@ -16,6 +16,8 @@
# #
# -n List only non-existing files. # -n List only non-existing files.
# #
# -u List only files once.
#
# AUTHOR # AUTHOR
# Ole Tange <tange@gnu.org> # Ole Tange <tange@gnu.org>
# #
@ -29,12 +31,14 @@
export _EXISTS=0 export _EXISTS=0
export _NONEXISTS=0 export _NONEXISTS=0
export _UNIQUE=0
while true ; do while true ; do
case "$1" in case "$1" in
-e|--exists) export _EXISTS=1; shift ;; -e|--exists) export _EXISTS=1; shift ;;
-n|--nonexists) export _NONEXISTS=1; shift ;; -n|--nonexists) export _NONEXISTS=1; shift ;;
-a|--all) export _EXISTS=1; export _NONEXISTS=1; shift ;; -a|--all) export _EXISTS=1; export _NONEXISTS=1; shift ;;
-u|--unique) export _UNIQUE=1; shift ;;
*) break; *) break;
esac esac
done done
@ -44,5 +48,6 @@ if [ "$_EXISTS" == "0" -a "$_NONEXISTS" == "0" ] ; then
export _NONEXISTS=1 export _NONEXISTS=1
fi fi
strace -ff -e trace=file "$@" 2>&1 | perl -ne 's/^[^"]+"(([^\\"]|\\[\\"nt])*)".*/$1/ && do { '$_EXISTS' and -e $1 and print; '$_NONEXISTS' and ! -e $1 and print };' strace -ff -e trace=file "$@" 2>&1 |
perl -ne 's/^[^"]+"(([^\\"]|\\[\\"nt])*)".*/$1/ && do { '$_EXISTS' and -e $1 and (not '$_UNIQUE' or not $seen{$_}++) and print; '$_NONEXISTS' and ! -e $1 and (not '$_UNIQUE' or not $seen{$_}++) and print };'