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unexpand: tweak usage string #906

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Merged
briandfoy merged 1 commit into from
Jan 6, 2025
Merged

unexpand: tweak usage string #906

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10 changes: 4 additions & 6 deletions bin/unexpand
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,6 @@ my $Program = basename($0);
my $tabstop = 8;
my $opt_a = 0;
my @tabstops;
my @files;

while (@ARGV && $ARGV[0] =~ /\A\-(.+)/) {
my $val = $1;
Expand All @@ -53,12 +52,11 @@ while (@ARGV && $ARGV[0] =~ /\A\-(.+)/) {
}
shift @ARGV;
}
@files = @ARGV;

# $tabstop is used only if multiple tab stops have not been defined
$tabstop = $tabstops[0] if scalar @tabstops == 1;

for my $file (@files) {
for my $file (@ARGV) {
my $in;
unless (open $in, '<', $file) {
warn "$Program: couldn't open '$file' for reading: $!'\n";
Expand All @@ -69,15 +67,15 @@ for my $file (@files) {
}
close $in;
}
unless (@files) {
unless (@ARGV) {
while (<>) {
unexpand_line($_);
}
}
exit EX_SUCCESS;

sub usage {
warn "usage: $Program [-a] [-tabstop] [-tab1, tab2, ...] [file ...]\n";
warn "usage: $Program [-a] [-tabstop] [-tab1,tab2,...] [file ...]\n";
exit EX_FAILURE;
}

Expand Down Expand Up @@ -128,7 +126,7 @@ unexpand - convert spaces to tabs

=head1 SYNOPSIS

unexpand [B<-a>] [B<-tabstop>] [B<-tab1, tab2, ...>] [B<file> ...]
unexpand [B<-a>] [B<-tabstop>] [B<-tab1,tab2,...>] [B<file> ...]

=head1 DESCRIPTION

Expand Down
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