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Diffstat (limited to 'sys/src/cmd/python/Demo/scripts/pp.py')
-rwxr-xr-x | sys/src/cmd/python/Demo/scripts/pp.py | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/sys/src/cmd/python/Demo/scripts/pp.py b/sys/src/cmd/python/Demo/scripts/pp.py deleted file mode 100755 index 0491fa9bf..000000000 --- a/sys/src/cmd/python/Demo/scripts/pp.py +++ /dev/null @@ -1,130 +0,0 @@ -#! /usr/bin/env python - -# Emulate some Perl command line options. -# Usage: pp [-a] [-c] [-d] [-e scriptline] [-F fieldsep] [-n] [-p] [file] ... -# Where the options mean the following: -# -a : together with -n or -p, splits each line into list F -# -c : check syntax only, do not execute any code -# -d : run the script under the debugger, pdb -# -e scriptline : gives one line of the Python script; may be repeated -# -F fieldsep : sets the field separator for the -a option [not in Perl] -# -n : runs the script for each line of input -# -p : prints the line after the script has run -# When no script lines have been passed, the first file argument -# contains the script. With -n or -p, the remaining arguments are -# read as input to the script, line by line. If a file is '-' -# or missing, standard input is read. - -# XXX To do: -# - add -i extension option (change files in place) -# - make a single loop over the files and lines (changes effect of 'break')? -# - add an option to specify the record separator -# - except for -n/-p, run directly from the file if at all possible - -import sys -import string -import getopt - -FS = '' -SCRIPT = [] -AFLAG = 0 -CFLAG = 0 -DFLAG = 0 -NFLAG = 0 -PFLAG = 0 - -try: - optlist, ARGS = getopt.getopt(sys.argv[1:], 'acde:F:np') -except getopt.error, msg: - sys.stderr.write(sys.argv[0] + ': ' + msg + '\n') - sys.exit(2) - -for option, optarg in optlist: - if option == '-a': - AFLAG = 1 - elif option == '-c': - CFLAG = 1 - elif option == '-d': - DFLAG = 1 - elif option == '-e': - for line in string.splitfields(optarg, '\n'): - SCRIPT.append(line) - elif option == '-F': - FS = optarg - elif option == '-n': - NFLAG = 1 - PFLAG = 0 - elif option == '-p': - NFLAG = 1 - PFLAG = 1 - else: - print option, 'not recognized???' - -if not ARGS: ARGS.append('-') - -if not SCRIPT: - if ARGS[0] == '-': - fp = sys.stdin - else: - fp = open(ARGS[0], 'r') - while 1: - line = fp.readline() - if not line: break - SCRIPT.append(line[:-1]) - del fp - del ARGS[0] - if not ARGS: ARGS.append('-') - -if CFLAG: - prologue = ['if 0:'] - epilogue = [] -elif NFLAG: - # Note that it is on purpose that AFLAG and PFLAG are - # tested dynamically each time through the loop - prologue = [ \ - 'LINECOUNT = 0', \ - 'for FILE in ARGS:', \ - ' \tif FILE == \'-\':', \ - ' \t \tFP = sys.stdin', \ - ' \telse:', \ - ' \t \tFP = open(FILE, \'r\')', \ - ' \tLINENO = 0', \ - ' \twhile 1:', \ - ' \t \tLINE = FP.readline()', \ - ' \t \tif not LINE: break', \ - ' \t \tLINENO = LINENO + 1', \ - ' \t \tLINECOUNT = LINECOUNT + 1', \ - ' \t \tL = LINE[:-1]', \ - ' \t \taflag = AFLAG', \ - ' \t \tif aflag:', \ - ' \t \t \tif FS: F = string.splitfields(L, FS)', \ - ' \t \t \telse: F = string.split(L)' \ - ] - epilogue = [ \ - ' \t \tif not PFLAG: continue', \ - ' \t \tif aflag:', \ - ' \t \t \tif FS: print string.joinfields(F, FS)', \ - ' \t \t \telse: print string.join(F)', \ - ' \t \telse: print L', \ - ] -else: - prologue = ['if 1:'] - epilogue = [] - -# Note that we indent using tabs only, so that any indentation style -# used in 'command' will come out right after re-indentation. - -program = string.joinfields(prologue, '\n') + '\n' -for line in SCRIPT: - program = program + (' \t \t' + line + '\n') -program = program + (string.joinfields(epilogue, '\n') + '\n') - -import tempfile -fp = tempfile.NamedTemporaryFile() -fp.write(program) -fp.flush() -if DFLAG: - import pdb - pdb.run('execfile(%r)' % (tfn,)) -else: - execfile(tfn) |