diff options
author | Lars Wirzenius <liw@liw.fi> | 2011-02-03 18:53:57 +0000 |
---|---|---|
committer | Lars Wirzenius <liw@liw.fi> | 2011-02-03 18:53:57 +0000 |
commit | 37178026258a56b50910d42196a0d50c13092a74 (patch) | |
tree | bd186cf812fb10fac01e5ece1c984f307edce19d | |
parent | e5bd4da735e18e824d923720b7fa5d8591917c47 (diff) | |
download | extrautils-37178026258a56b50910d42196a0d50c13092a74.tar.gz |
Add fix-shebang.
-rw-r--r-- | debian/control | 3 | ||||
-rwxr-xr-x | fix-shebang | 52 | ||||
-rw-r--r-- | fix-shebang.1 | 45 |
3 files changed, 99 insertions, 1 deletions
diff --git a/debian/control b/debian/control index 936dbb6..a39ff5d 100644 --- a/debian/control +++ b/debian/control @@ -8,7 +8,8 @@ Homepage: http://liw.fi/extrautils/ Package: extrautils Architecture: any -Depends: python (>= 2.5), ${shlibs:Depends}, ${misc:Depends} +Depends: python (>= 2.5), ${shlibs:Depends}, ${misc:Depends}, + python-cliapp Description: collection of miscellaneous Unix command line utilities This is a collection of miscellaneous utilities for the Unix command line, inspired by Joey Hess's moreutils. The inclusion criteria for diff --git a/fix-shebang b/fix-shebang new file mode 100755 index 0000000..6d78bb0 --- /dev/null +++ b/fix-shebang @@ -0,0 +1,52 @@ +#!/usr/bin/python +# Copyright 2011 Lars Wirzenius +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +import cliapp +import os +import tempfile + + +class FixShebang(cliapp.Application): + + def add_settings(self): + self.add_string_setting(['shebang'], 'interpreter path and args') + + def process_input(self, arg): + name = self.create_tempfile_for(arg) + temp = open(name, 'w') + shebang = self['shebang'] + if not shebang.startswith('#!'): + shebang = '#!%s' % shebang + temp.write('%s\n' % shebang) + f = open(arg) + line1 = f.readline() + if line1 and not line1.startswith('#!'): + temp.write(line1) + for line in f: + temp.write(line) + f.close() + temp.close() + os.rename(name, arg) + + def create_tempfile_for(self, filename): + fd, name = tempfile.mkstemp(dir=os.path.dirname(filename)) + os.close(fd) + return name + + +if __name__ == '__main__': + FixShebang().run() diff --git a/fix-shebang.1 b/fix-shebang.1 new file mode 100644 index 0000000..664e8e6 --- /dev/null +++ b/fix-shebang.1 @@ -0,0 +1,45 @@ +.\" Copyright 2011 Lars Wirzenius <liw@liw.fi> +.\" +.\" This program is free software: you can redistribute it and/or modify +.\" it under the terms of the GNU General Public License as published by +.\" the Free Software Foundation, either version 3 of the License, or +.\" (at your option) any later version. +.\" +.\" This program is distributed in the hope that it will be useful, +.\" but WITHOUT ANY WARRANTY; without even the implied warranty of +.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +.\" GNU General Public License for more details. +.\" +.\" You should have received a copy of the GNU General Public License +.\" along with this program. If not, see <http://www.gnu.org/licenses/>. +.\" +.TH FIX-SHEBANG 1 +.SH NAME +fix-shebang \- set the #! line for scripts +.SH SYNOPSIS +.B fix-shebang +.RB [ \-\-shebang\fR=\fIinterp ] +.IR file ... +.SH DESCRIPTION +.B fix-shebang +sets the interpreter or +.I shebang +line for script files. +This is the line that starts with +.R #! +at the beginning of on the first line. +For example, typically a shell script would be +.sp 1 +.RS +#!/bin/sh +.RE +.sp 1 +For other interpreters, such as Python or Perl or Ruby, +it may be necessary to change the interpreter on different systems. +.B fix-shebang +makes that easy. +.SH OPTIONS +.TP +.BR \-\-shebang =\fIinterpreter +Set the interpreter to be +.BR #!\fIinterpreter . |