annotate wrappers/tac @ 543:60b97ba66a70

Extensive semi-gratuitous refactoring: factor out common code, handle euid!=uid and egid!=gid cases. (Note: test suite requires root access, possibly container support.)
author Rob Landley <rob@landley.net>
date Mon, 12 Mar 2012 23:00:28 -0500
parents 7da386057101
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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411
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
1 #!/bin/sh
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
2 # HELP usage: tac [FILE...]\n\nPrint input lines in reverse order
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
3
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
4 for i in "$@"
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
5 do
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
6 sed -e '1!G;h;$!d' "$i"
7da386057101 Add three commands that can be done as simple shell scripts (one sed is in, anyway), and don't need to be implemented in C.
Rob Landley <rob@landley.net>
parents:
diff changeset
7 done